Weather in Shiraoi
14-day forecast · updated today, Thursday, October 29, at 6:10 pm (GMT+9)- Feels like
- 44 °F
- Low / high
- 36 / 52 °F
- Rain
- 100% · 0.24 in
- Wind
- 15 mph S
Today in Shiraoi: light rain, 36 °F to 52 °F, with a 100% chance of rain (0.24 in) and a moderate breeze from the south (15 mph). Tomorrow, light rain, 47 °F to 60 °F and a 100% chance of rain. The warmest day of the week is Friday 30, at 60 °F.
Temperatures for the next 14 days
- Today
- Fri 30
- Sat 31
- Sun 1
- Mon 2
- Tue 3
- Wed 4
- Thu 5
- Fri 6
- Sat 7
- Sun 8
- Mon 9
- Tue 10
- Wed 11
Day by day
| Day | Sky | Low / high | Rain | Max wind | Max wave | High tides | Model |
|---|---|---|---|---|---|---|---|
| Today · 29 | 36 / 52 °F | 100% · 0.24 in | 15 mph SSW | 4.1 ft | 5:45 am · 4:00 pm | ECMWF | |
| Fri 30 | 47 / 60 °F | 100% · 0.11 in | 11 mph SW | 4.3 ft | 6:45 am · 4:34 pm | ECMWF | |
| Sat 31 | 40 / 59 °F | 41% · 0.02 in | 13 mph W | 4.3 ft | 7:57 am · 5:11 pm | ECMWF | |
| Sun 1 | 34 / 44 °F | 18% · 0.02 in | 20 mph WNW | 4.6 ft | 9:15 am · 5:55 pm | ECMWF | |
| Mon 2 | 34 / 46 °F | 63% · 0.04 in | 4 mph NW | 3.1 ft | 10:26 am · 6:55 pm | ECMWF | |
| Tue 3 | 39 / 50 °F | 25% · 0.04 in | 12 mph WNW | 3.5 ft | 11:21 am · 9:25 pm | ECMWF | |
| Wed 4 | 34 / 49 °F | 31% · 0.03 in | 12 mph WNW | 2.8 ft | 11:59 am · 11:54 pm | ECMWF | |
| Thu 5 | 35 / 50 °F | 44% · 0.28 in | 5 mph N | 3.1 ft | 12:28 pm | ECMWF | |
| Fri 6 | 44 / 54 °F | 51% · 1.23 in | 10 mph WNW | 5.0 ft | 1:13 am · 12:53 pm | ECMWF | |
| Sat 7 | 33 / 43 °F | 30% | 18 mph WNW | 5.2 ft | 2:13 am · 1:18 pm | ECMWF | |
| Sun 8 | 31 / 38 °F | 20% | 12 mph WNW | 2.6 ft | 3:04 am · 1:43 pm | ECMWF | |
| Mon 9 | 31 / 40 °F | 19% · 0.05 in | 10 mph NNW | 3.2 ft | 3:50 am · 2:09 pm | ECMWF | |
| Tue 10 | 37 / 48 °F | 16% · 0.50 in | 16 mph SSW | 7.7 ft | 4:33 am · 2:37 pm | ECMWF | |
| Wed 11 | 33 / 42 °F | 18% · 0.07 in | 24 mph WNW | 5.0 ft | 5:15 am · 3:06 pm | ECMWF |
Each day comes from the best model covering this spot: regional ones first (HRRR and NBM in the U.S., AROME, ICON-EU), then ECMWF; day 16, NOAA GFS. Waves: Météo-France up to day 10, then ECMWF WAM, coarser and further offshore. High tides: our own tide calculation.
Today, every 3 hours
| Time | 12:00 am | 3:00 am | 6:00 am | 9:00 am | 12:00 pm | 3:00 pm | 6:00 pm | 9:00 pm |
|---|---|---|---|---|---|---|---|---|
| Sky | Clear | Clear | Clear | Clear sky | Overcast | Overcast | Light drizzle | Heavy drizzle |
| Temperature | 36° | 38° | 37° | 48° | 51° | 51° | 52° | 51° |
| Chance of rain | 0% | 0% | 0% | 0% | 0% | 24% | 63% | 100% |
| Rain | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.00 in | 0.04 in |
| Wind (mph) | 4 WNW | 7 W | 2 WSW | 2 WSW | 12 SSW | 11 SSW | 15 S | 10 S |
| Humidity | 68% | 65% | 70% | 51% | 48% | 53% | 66% | 88% |
| UV | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 |
| Model | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF |
Do the models agree?
Medium confidenceThey broadly agree, but not quite on rain on Saturday 31: take it with some caution.
What 4 forecast models say for the next few days. The closer they are, the more reliable the forecast.
| High (°F) | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 52° | 60° | 59° | 44° | 46° | 50° | 49° |
| AIFS | 49° | 56° | 54° | 43° | 45° | 45° | 46° |
| GFS | 50° | 60° | 59° | 45° | 47° | 48° | 46° |
| ICON | 53° | 60° | 60° | 45° | 46° | 49° | 54° |
| Confidence | high | high | medium | high | high | high | medium |
| Rain | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 0.24 in | 0.11 in | 0.02 in | 0.02 in | 0.04 in | 0.04 in | 0.03 in |
| AIFS | 0.30 in | 0.23 in | 0.06 in | 0.03 in | 0.16 in | 0.06 in | 0.02 in |
| GFS | 0.13 in | 0.09 in | 0 | 0 | 0.52 in | 0 | 0 |
| ICON | 0.19 in | 0.05 in | 0.00 in | 0 | 0.11 in | 0 | 0 |
| Confidence | high | high | medium | high | medium | medium | high |
| Wind (mph) | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 1528 | 1120 | 1326 | 2040 | 428 | 1232 | 1225 |
| AIFS | 12 | 8 | 16 | 18 | 6 | 13 | 11 |
| GFS | 1331 | 1224 | 1738 | 1842 | 715 | 1442 | 1438 |
| ICON | 1127 | 822 | 926 | 1128 | 310 | 923 | 718 |
| Confidence | high | high | medium | medium | high | high | high |
Chance of rain from the ensemble models
| Model | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF (51 scenarios) | 100% | 100% | 41% | 18% | 63% | 25% | 31% |
| GFS (GEFS, 31 scenarios) | 98% | 100% | 45% | 39% | 58% | 13% | 16% |
Each model's day runs midnight to midnight local time; models that reach fewer days are left blank. Rain: daily total. Wind: the day's highest average wind and, in small type, the strongest gust. Highlighted: values that stand out from the rest. The chance of rain comes from many runs of the same model with slightly different starting data.
Outlook
How the coming weeks and months compare with what is normal for the time of year. It is a trend, not a day-by-day forecast.
Next few weeks, compared with normal: a bit cooler, normal rain and a cooler sea.
Next 6 weeks
| When | TemperatureTemp. | Rain | Sea | Typical high / low |
|---|---|---|---|---|
| Nov 2 – Nov 8Nov 2–Nov 8 | Below −4.5 °F | Normal | Below −3.4 °F | — |
| Nov 9 – Nov 15Nov 9–Nov 15 | A bit below −2.3 °F | A bit below −29% | Below −3.4 °F | — |
| Nov 16 – Nov 22Nov 16–Nov 22 | A bit below −1.1 °F | A bit above +22% | Below −2.7 °F | 44° / 39° |
| Nov 23 – Nov 29Nov 23–Nov 29 | Normal 0.0 °F | Normal | Below −2.0 °F | 41° / 37° |
| Nov 30 – Dec 6Nov 30–Dec 6 | Normal −0.4 °F | A bit above +20% | A bit below −1.6 °F | 38° / 34° |
Coming months
| When | TemperatureTemp. | Rain | Sea |
|---|---|---|---|
| November | Above +3.8 °F | A bit above +23% | — |
| December | Above +3.4 °F | A bit above +37% | — |
| January | Above +3.8 °F | A bit above +33% | — |
| February | Above +3.8 °F | A bit above +21% | — |
| March | Above +3.1 °F | A bit above +20% | — |
Weeks: ECMWF 46-day (average of its scenarios), against the normal of the last 20 years for those dates. Months: ECMWF SEAS5. Rain: total against normal. The further ahead, the closer it gets to normal and the less detail it can give.
Shiraoi climate by monthClimate by month
Normal weather for each month (1991–2020 averages)The best time to visit Shiraoi is from July to September: highs of 70 °F to 74 °F, about 11 rainy days a month and 4 hours of sunshine a day.
Typhoon season: from August to September, peaking in September. In the last 30 years (1996–2025), 6 tropical cyclones passed within 93 mi of Shiraoi, about 2 every 10 years; one of them with hurricane-force winds (74 mph or more). The most recent: Chanthu, in August 2016.
- JanJ
- FebF
- MarM
- AprA
- MayM
- JunJ
- JulJ
- AugA
- SepS
- OctO
- NovN
- DecD
- Highs and lows
- Monthly rainfall
- Best time
| Month | High | Low | Rain | Rainy daysDays | Sun (h/day) | Water | Waves | Cyclones |
|---|---|---|---|---|---|---|---|---|
| JanuaryJan | 33° | 19° | 2.41 in | 15 | 3.7 | 44° | 2.7 ft | – |
| FebruaryFeb | 33° | 19° | 2.07 in | 12 | 4.8 | 39° | 2.6 ft | – |
| MarchMar | 39° | 26° | 2.37 in | 9 | 5.6 | 39° | 2.7 ft | – |
| AprilApr | 49° | 35° | 2.94 in | 8 | 5.8 | 42° | 2.7 ft | – |
| MayMay | 58° | 44° | 3.75 in | 9 | 5.7 | 47° | 2.5 ft | – |
| JuneJun | 63° | 52° | 3.58 in | 8 | 4.9 | 55° | 2.3 ft | – |
| JulyJul | 70° | 61° | 6.02 in | 11 | 4.0 | 63° | 2.2 ft | – |
| AugustAug | 74° | 64° | 6.54 in | 12 | 4.4 | 68° | 2.7 ft | 2 |
| SeptemberSep | 70° | 57° | 5.98 in | 12 | 4.9 | 68° | 2.9 ft | 3 |
| OctoberOct | 61° | 45° | 3.91 in | 12 | 4.9 | 61° | 3.2 ft | 1 |
| NovemberNov | 49° | 34° | 3.21 in | 15 | 3.6 | 55° | 3.1 ft | – |
| DecemberDec | 38° | 24° | 3.23 in | 17 | 2.9 | 49° | 3.2 ft | – |
| Month | Water | Waves | Cyclones |
|---|---|---|---|
| Jan | 44° | 2.7 ft | – |
| Feb | 39° | 2.6 ft | – |
| Mar | 39° | 2.7 ft | – |
| Apr | 42° | 2.7 ft | – |
| May | 47° | 2.5 ft | – |
| Jun | 55° | 2.3 ft | – |
| Jul | 63° | 2.2 ft | – |
| Aug | 68° | 2.7 ft | 2 |
| Sep | 68° | 2.9 ft | 3 |
| Oct | 61° | 3.2 ft | 1 |
| Nov | 55° | 3.1 ft | – |
| Dec | 49° | 3.2 ft | – |
Days: rainy days in the month. Sun: hours a day.
A normal year brings 46.01 in of rain on about 139 days and about 1,700 hours of sunshine.
Cyclones: how many tropical cyclones (tropical storms, hurricanes and typhoons) passed within 93 mi in each month from 1996 to 2025, according to IBTrACS (NOAA).
1991–2020 averages. Highs, lows and rainfall: TerraClimate; rainy days (0.04 in or more): NASA POWER (MERRA-2); sunshine hours: estimated from solar radiation; water: NOAA OISST; waves (average height): ERA5, 2011–2020. Normals are not a forecast: any given year can turn out very different. Sources and licenses
Temperature
It's 52 °F now (feels like 44 °F). Today, 36 °F to 52 °F; tomorrow, 47 °F to 60 °F.
Chance of rain
Today the chance of rain reaches 100%, with 0.24 in in total. The next day with likely rain is Friday 30: 100% and 0.11 in.
Recent rain: last 24 hours, 0.01 in; last 3 days, 0.22 in; last 7 days, 0.24 in.
Humidity and dew point
Humidity is 67% now and the dew point is 41 °F.
The dew point is the temperature at which the air becomes saturated: the higher it is, the heavier the air feels.
Visibility and fog
Visibility is good now (9.4 mi). No fog expected today.
UV index
Fri 30: 2 · Sat 31: 2 · Sun 1: 2
| Index | Level | What to do |
|---|---|---|
| 0–2 | low | No special protection needed. |
| 3–5 | moderate | Hat, sunglasses and sunscreen around midday. |
| 6–7 | high | Sunscreen, hat and shade between 12 and 4 pm. |
| 8–10 | very high | Avoid the midday sun; reflection off the water adds to it. |
| 11+ | extreme | Avoid the sun between 11 am and 5 pm; protect yourself even if it is cloudy. |
Reflection off water and sand adds radiation: protect yourself more on a boat or at the beach.
Barometric pressure
- ↗ Rising Anglers say fish bite less for a while
- → Steady Anglers expect normal activity
- ↘ Falling · now Anglers say fish feed more before the change
Falling now (−0.04 inHg in 3 hours). Over the next 48 hours: −0.37 inHg. Falling pressure: anglers say fish feed more before the change. Fast changes, either way, tend to affect fishing.
Air and pollen
Previous days
The weather over the last 30 days, as the models analyzed it. Tap a day to see it hour by hour.
| Day | Sky | Low / high | Rain | Max wind |
|---|---|---|---|---|
| Wed 28 | Light drizzle | 36 / 42 °F | 0.11 in | 17 mph WNW |
| Tue 27 | Light drizzle | 43 / 54 °F | 0.10 in | 11 mph NW |
| Mon 26 | Overcast | 42 / 55 °F | 0 | 5 mph NNW |
| Sun 25 | Overcast | 48 / 64 °F | 0 | 4 mph NW |
| Sat 24 | Light drizzle | 42 / 60 °F | 0.01 in | 7 mph WSW |
| Fri 23 | Partly cloudy | 44 / 59 °F | 0 | 11 mph W |
| Thu 22 | Light drizzle | 42 / 50 °F | 0.10 in | 16 mph WNW |
Show all 30 days
| Day | Sky | Low / high | Rain | Max wind |
|---|---|---|---|---|
| Wed 21 | Rain | 51 / 63 °F | 1.09 in | 12 mph SSW |
| Tue 20 | Overcast | 47 / 61 °F | 0 | 6 mph WSW |
| Mon 19 | Rain | 51 / 71 °F | 1.07 in | 11 mph SW |
| Sun 18 | Light drizzle | 40 / 58 °F | 0.01 in | 10 mph SSE |
| Sat 17 | Partly cloudy | 44 / 59 °F | 0 | 17 mph WNW |
| Fri 16 | Light drizzle | 51 / 61 °F | 0.07 in | 11 mph W |
| Thu 15 | Mainly clear | 49 / 60 °F | 0 | 19 mph W |
| Wed 14 | Rain | 53 / 65 °F | 0.64 in | 19 mph SW |
| Tue 13 | Heavy drizzle | 60 / 64 °F | 0.45 in | 13 mph SE |
| Mon 12 | Light drizzle | 52 / 64 °F | 0.06 in | 6 mph S |
| Sun 11 | Light drizzle | 55 / 68 °F | 0.02 in | 5 mph NNW |
| Sat 10 | Overcast | 53 / 67 °F | 0 | 7 mph W |
| Fri 9 | Overcast | 55 / 71 °F | 0 | 11 mph W |
| Thu 8 | Clear sky | 50 / 69 °F | 0 | 14 mph W |
| Wed 7 | Mainly clear | 46 / 67 °F | 0 | 10 mph WNW |
| Tue 6 | Rain | 51 / 69 °F | 0.27 in | 18 mph WSW |
| Mon 5 | Rain | 54 / 65 °F | 1.17 in | 23 mph SE |
| Sun 4 | Overcast | 44 / 63 °F | 0 | 9 mph SW |
| Sat 3 | Light drizzle | 47 / 62 °F | 0.04 in | 4 mph NW |
| Fri 2 | Light drizzle | 51 / 59 °F | 0.02 in | 18 mph W |
| Thu 1 | Light rain | 56 / 67 °F | 0.35 in | 17 mph SSW |
| Wed 30 | Light drizzle | 50 / 66 °F | 0.07 in | 11 mph S |
| Tue 29 | Light drizzle | 53 / 68 °F | 0.04 in | 14 mph W |
These are the models at the start of each day (ECMWF and GFS; waves from Météo-France), not readings from a weather station: there can be differences at specific spots.
Questions about the weather in ShiraoiQuestions
What's the weather like today in Shiraoi?
Light rain, from 36 °F to 52 °F, with a moderate breeze from the south (15 mph) and a 100% chance of rain.
Will it rain tomorrow in Shiraoi?
On Friday 30 the chance of rain is 100% (0.11 in): light rain.
How warm will it be this week?
Between a low of 34 °F and a high of 60 °F; the warmest day, Friday 30.
What's the UV index today?
It reaches 2 (low). No special protection needed.
Is the pressure rising or falling?
It's 30.12 inHg and falling: +0.10 inHg over the last 24 hours.
When is the best time to visit Shiraoi?
The best time to visit Shiraoi is from July to September: highs of 70 °F to 74 °F, about 11 rainy days a month and 4 hours of sunshine a day.
What is the weather like in Shiraoi in October?
In October, Shiraoi normally sees highs of 61 °F and lows of 45 °F, with about 12 rainy days (3.91 in for the month) and 5 hours of sunshine a day. The sea is around 61 °F. These are 1991–2020 averages.
What are the warmest and wettest months in Shiraoi?
The warmest is August, with average highs of 74 °F, and the coldest January, with lows of 19 °F. The wettest is August (6.54 in) and the driest, February.
When is typhoon season in Shiraoi?
Typhoon season: from August to September, peaking in September. In the last 30 years (1996–2025), 6 tropical cyclones passed within 93 mi of Shiraoi, about 2 every 10 years; one of them with hurricane-force winds (74 mph or more). The most recent: Chanthu, in August 2016.
More about Shiraoi today
Weather near Shiraoi
- Tomakomai 49 °F · light rain · 14 mi
- Muroran 55 °F · light rain · 24 mi
- Date 50 °F · light rain · 25 mi
- Mukawa 46 °F · light rain · 29 mi
- Rebun 53 °F · rain · 38 mi
- Shikabe 46 °F · light rain · 45 mi
Only places with a different forecast: spots a few miles apart share the same model cell and wouldn't add anything.
Learn more
Weather: Open-Meteo, CC BY 4.0, with the best model for each spot and lead time (NOAA HRRR and NBM in the U.S., Météo-France AROME, DWD ICON-EU, ECMWF IFS and NOAA GFS); ECMWF grid point 6.2 mi away. The comparison also uses ICON (DWD), AIFS (ECMWF) and ARPEGE (Météo-France). Outlook: ECMWF 46-day and SEAS5. Chance of rain from ensemble models (ECMWF, GEFS and NBM). UV, air quality and pollen: CAMS (Copernicus).
Forecast from Open-Meteo (CC BY 4.0) with models from ECMWF, NOAA, Météo-France, DWD, Copernicus Marine and CAMS. Updated at 6:10 pm (local time).
Spotted a mistake? Tell us · Where the weather and sea data come from