Weather in Sematan
14-day forecast · updated today, Thursday, October 29, at 11:30 am (GMT+8)- Feels like
- 99 °F
- Low / high
- 76 / 85 °F
- Rain
- 100% · 0.74 in
- Wind
- 1 mph SE
Today in Sematan: showers, 76 °F to 85 °F, with a 100% chance of rain (0.74 in) and a light air from the southeast (1 mph). Tomorrow, heavy drizzle, 74 °F to 83 °F and a 100% chance of rain. The warmest day of the week is Tuesday 3, at 86 °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 | 76 / 85 °F | 100% · 0.74 in | 3 mph SW | 1.4 ft | 5:01 am · 6:36 pm | ECMWF | |
| Fri 30 | 74 / 83 °F | 100% · 0.53 in | 4 mph E | 1.6 ft | 5:42 am · 7:34 pm | ECMWF | |
| Sat 31 | 73 / 85 °F | 100% · 0.28 in | 3 mph WSW | 2.2 ft | 6:28 am · 8:42 pm | ECMWF | |
| Sun 1 | 74 / 85 °F | 98% · 0.39 in | 4 mph ENE | 2.2 ft | 7:23 am · 9:58 pm | ECMWF | |
| Mon 2 | 76 / 85 °F | 94% · 0.14 in | 4 mph E | 1.8 ft | 8:36 am · 11:11 pm | ECMWF | |
| Tue 3 | 74 / 86 °F | 99% · 0.78 in | 2 mph SSW | 1.3 ft | 10:17 am | ECMWF | |
| Wed 4 | 75 / 83 °F | 95% · 0.28 in | 2 mph W | 1.0 ft | 12:14 am · 11:59 am | ECMWF | |
| Thu 5 | 75 / 80 °F | 99% · 0.41 in | 3 mph NNE | 0.9 ft | 1:05 am · 1:16 pm | ECMWF | |
| Fri 6 | 75 / 81 °F | 100% · 0.38 in | 2 mph NW | 0.7 ft | 1:47 am · 2:16 pm | ECMWF | |
| Sat 7 | 74 / 87 °F | 100% · 0.13 in | 5 mph E | 1.0 ft | 2:24 am · 3:08 pm | ECMWF | |
| Sun 8 | 75 / 80 °F | 99% · 0.64 in | 2 mph SW | 1.4 ft | 2:57 am · 3:53 pm | ECMWF | |
| Mon 9 | 74 / 78 °F | 100% · 0.84 in | 2 mph ESE | 1.7 ft | 3:27 am · 4:36 pm | ECMWF | |
| Tue 10 | 74 / 84 °F | 100% · 0.46 in | 3 mph SSW | 1.8 ft | 3:55 am · 5:16 pm | ECMWF | |
| Wed 11 | 74 / 83 °F | 100% · 0.44 in | 3 mph NNE | 2.0 ft | 4:22 am · 5:56 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 | Heavy drizzle | Light drizzle | Overcast | Light drizzle | Showers | Light showers | Light drizzle | Overcast |
| Temperature | 77° | 76° | 77° | 82° | 84° | 79° | 79° | 77° |
| Chance of rain | 63% | 73% | 57% | 38% | 76% | 100% | 87% | 34% |
| Rain | 0.04 in | 0.01 in | 0.00 in | 0.00 in | 0.12 in | 0.07 in | 0.00 in | 0.00 in |
| Wind (mph) | 1 WSW | 2 SSW | 3 SSW | 2 SSW | 1 ESE | 3 NNE | 1 W | 1 SW |
| Humidity | 97% | 100% | 99% | 91% | 82% | 96% | 99% | 97% |
| UV | 0 | 0 | 0 | 3 | 10 | 4 | 0 | 0 |
| Model | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF | ECMWF |
Do the models agree?
Medium confidenceThey broadly agree, but not quite on temperature tomorrow: 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 | 85° | 83° | 85° | 85° | 85° | 86° | 83° |
| AIFS | 86° | 88° | 83° | 90° | 89° | 85° | 87° |
| GFS | 85° | 89° | 91° | 89° | 91° | 90° | 92° |
| ICON | 88° | 87° | 86° | 88° | 87° | 87° | 88° |
| Confidence | high | medium | medium | high | medium | high | medium |
| Rain | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 0.74 in | 0.53 in | 0.28 in | 0.39 in | 0.14 in | 0.78 in | 0.28 in |
| AIFS | 0.77 in | 0.54 in | 0.71 in | 0.20 in | 0.28 in | 0.59 in | 0.47 in |
| GFS | 0.74 in | 0.54 in | 0.57 in | 0.10 in | 0 | 0.49 in | 0.11 in |
| ICON | 0.30 in | 0.26 in | 0.14 in | 0.07 in | 0.33 in | 0.01 in | 0.12 in |
| Confidence | high | high | medium | medium | medium | medium | medium |
| Wind (mph) | Today | Fri 30 | Sat 31 | Sun 1 | Mon 2 | Tue 3 | Wed 4 |
|---|---|---|---|---|---|---|---|
| ECMWF | 314 | 417 | 314 | 415 | 414 | 214 | 212 |
| AIFS | 4 | 3 | 3 | 2 | 3 | 2 | 3 |
| GFS | 48 | 37 | 46 | 24 | 68 | 45 | 66 |
| ICON | 422 | 521 | 514 | 613 | 314 | 412 | 520 |
| Confidence | high | high | high | high | 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% | 100% | 98% | 94% | 99% | 95% |
| GFS (GEFS, 31 scenarios) | 100% | 100% | 100% | 71% | 75% | 90% | 82% |
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 warmer, normal rain and a slightly warmer sea.
Next 6 weeks
| When | TemperatureTemp. | Rain | Sea | Typical high / low |
|---|---|---|---|---|
| Nov 2 – Nov 8Nov 2–Nov 8 | A bit above +0.9 °F | Normal | A bit above +1.3 °F | — |
| Nov 9 – Nov 15Nov 9–Nov 15 | A bit above +0.9 °F | Normal | A bit above +1.4 °F | — |
| Nov 16 – Nov 22Nov 16–Nov 22 | A bit above +1.4 °F | Normal | Above +1.8 °F | 84° / 78° |
| Nov 23 – Nov 29Nov 23–Nov 29 | A bit above +1.6 °F | Normal | Above +2.2 °F | 84° / 78° |
| Nov 30 – Dec 6Nov 30–Dec 6 | A bit above +1.6 °F | Normal | Above +2.3 °F | 85° / 79° |
Coming months
| When | TemperatureTemp. | Rain | Sea |
|---|---|---|---|
| November | A bit above +2.0 °F | Normal | Above +3.4 °F |
| December | A bit above +2.3 °F | Normal | Well above +3.6 °F |
| January | Above +2.7 °F | Normal | Above +3.2 °F |
| February | Above +2.7 °F | Normal | Above +2.9 °F |
| March | Above +2.9 °F | Normal | Above +2.5 °F |
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.
Sematan climate by monthClimate by month
Normal weather for each month (1991–2020 averages)Any time of year is good for Sematan: highs range from 85 °F to 90 °F through the year.
- JanJ
- FebF
- MarM
- AprA
- MayM
- JunJ
- JulJ
- AugA
- SepS
- OctO
- NovN
- DecD
- Highs and lows
- Monthly rainfall
| Month | High | Low | Rain | Rainy daysDays | Sun (h/day) | Water | Waves |
|---|---|---|---|---|---|---|---|
| JanuaryJan | 85° | 73° | 37.78 in | 24 | 2.7 | 83° | 3.8 ft |
| FebruaryFeb | 85° | 73° | 30.83 in | 20 | 3.0 | 82° | 3.4 ft |
| MarchMar | 87° | 73° | 16.70 in | 21 | 4.0 | 84° | 2.3 ft |
| AprilApr | 89° | 74° | 8.05 in | 23 | 4.7 | 85° | 1.5 ft |
| MayMay | 90° | 74° | 5.79 in | 23 | 5.2 | 86° | 0.9 ft |
| JuneJun | 89° | 74° | 5.47 in | 20 | 5.0 | 86° | 0.8 ft |
| JulyJul | 89° | 73° | 6.33 in | 18 | 5.5 | 86° | 0.8 ft |
| AugustAug | 89° | 73° | 5.56 in | 19 | 5.1 | 86° | 0.8 ft |
| SeptemberSep | 89° | 73° | 6.31 in | 20 | 4.3 | 86° | 1.0 ft |
| OctoberOct | 88° | 73° | 10.06 in | 26 | 3.5 | 85° | 1.9 ft |
| NovemberNov | 87° | 73° | 12.30 in | 28 | 3.5 | 85° | 2.6 ft |
| DecemberDec | 86° | 74° | 25.02 in | 27 | 2.9 | 84° | 3.8 ft |
| Month | Water | Waves |
|---|---|---|
| Jan | 83° | 3.8 ft |
| Feb | 82° | 3.4 ft |
| Mar | 84° | 2.3 ft |
| Apr | 85° | 1.5 ft |
| May | 86° | 0.9 ft |
| Jun | 86° | 0.8 ft |
| Jul | 86° | 0.8 ft |
| Aug | 86° | 0.8 ft |
| Sep | 86° | 1.0 ft |
| Oct | 85° | 1.9 ft |
| Nov | 85° | 2.6 ft |
| Dec | 84° | 3.8 ft |
Days: rainy days in the month. Sun: hours a day.
A normal year brings 170.20 in of rain on about 267 days and about 1,500 hours of sunshine.
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 85 °F now (feels like 99 °F). Today, 76 °F to 85 °F; tomorrow, 74 °F to 83 °F.
Chance of rain
Today the chance of rain reaches 100%, with 0.74 in in total. The next day with likely rain is Friday 30: 100% and 0.53 in.
Recent rain: last 24 hours, 0.30 in; last 3 days, 0.63 in; last 7 days, 2.30 in.
Humidity and dew point
Humidity is 81% now and the dew point is 78 °F. With a dew point this high, it feels muggy.
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 (15 mi). No fog expected today.
UV index
Fri 30: 8 · Sat 31: 9 · Sun 1: 11
| 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 · now Anglers expect normal activity
- ↘ Falling Anglers say fish feed more before the change
Steady now (+0.03 inHg in 3 hours). Over the next 48 hours: +0.05 inHg. Steady pressure: anglers expect normal activity. 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 | Drizzle | 77 / 88 °F | 0.25 in | 4 mph NNE |
| Tue 27 | Light drizzle | 77 / 86 °F | 0.09 in | 7 mph NE |
| Mon 26 | Light rain | 76 / 87 °F | 0.35 in | 3 mph WNW |
| Sun 25 | Light showers | 78 / 87 °F | 0.48 in | 5 mph ENE |
| Sat 24 | Light showers | 76 / 84 °F | 0.33 in | 3 mph WNW |
| Fri 23 | Light showers | 78 / 89 °F | 0.34 in | 4 mph WSW |
| Thu 22 | Light showers | 77 / 89 °F | 0.28 in | 3 mph WSW |
Show all 30 days
| Day | Sky | Low / high | Rain | Max wind |
|---|---|---|---|---|
| Wed 21 | Showers | 78 / 88 °F | 0.85 in | 2 mph SW |
| Tue 20 | Light rain | 74 / 88 °F | 0.47 in | 3 mph NNW |
| Mon 19 | Showers | 76 / 87 °F | 0.76 in | 4 mph N |
| Sun 18 | Light showers | 77 / 87 °F | 0.60 in | 2 mph NW |
| Sat 17 | Showers | 77 / 87 °F | 1.25 in | 4 mph WSW |
| Fri 16 | Showers | 77 / 87 °F | 0.44 in | 2 mph SW |
| Thu 15 | Drizzle | 75 / 88 °F | 0.20 in | 3 mph WSW |
| Wed 14 | Light drizzle | 76 / 87 °F | 0.17 in | 4 mph NE |
| Tue 13 | Light drizzle | 78 / 87 °F | 0.09 in | 4 mph NNE |
| Mon 12 | Light showers | 77 / 86 °F | 0.41 in | 3 mph E |
| Sun 11 | Light showers | 78 / 84 °F | 0.43 in | 4 mph E |
| Sat 10 | Drizzle | 77 / 88 °F | 0.12 in | 4 mph N |
| Fri 9 | Light drizzle | 77 / 88 °F | 0.11 in | 3 mph NW |
| Thu 8 | Light showers | 77 / 86 °F | 0.50 in | 2 mph WSW |
| Wed 7 | Light drizzle | 76 / 88 °F | 0.06 in | 4 mph NNE |
| Tue 6 | Light showers | 76 / 89 °F | 0.34 in | 2 mph SW |
| Mon 5 | Light showers | 77 / 87 °F | 0.41 in | 2 mph SW |
| Sun 4 | Heavy drizzle | 77 / 86 °F | 0.24 in | 3 mph E |
| Sat 3 | Showers | 77 / 87 °F | 0.60 in | 3 mph SW |
| Fri 2 | Drizzle | 74 / 89 °F | 0.11 in | 4 mph WSW |
| Thu 1 | Light showers | 75 / 81 °F | 0.53 in | 3 mph SW |
| Wed 30 | Light drizzle | 78 / 88 °F | 0.08 in | 5 mph NNE |
| Tue 29 | Light showers | 78 / 87 °F | 0.22 in | 5 mph NE |
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 SematanQuestions
What's the weather like today in Sematan?
Showers, from 76 °F to 85 °F, with a light air from the southeast (1 mph) and a 100% chance of rain.
Will it rain tomorrow in Sematan?
On Friday 30 the chance of rain is 100% (0.53 in): heavy drizzle.
How warm will it be this week?
Between a low of 73 °F and a high of 86 °F; the warmest day, Tuesday 3.
What's the UV index today?
It reaches 11 (very high). Avoid the midday sun; reflection off the water adds to it.
Is the pressure rising or falling?
It's 29.96 inHg and steady: +0.05 inHg over the last 24 hours.
When is the best time to visit Sematan?
Any time of year is good for Sematan: highs range from 85 °F to 90 °F through the year.
What is the weather like in Sematan in October?
In October, Sematan normally sees highs of 88 °F and lows of 73 °F, with about 26 rainy days (10.06 in for the month) and 4 hours of sunshine a day. The sea is around 85 °F. These are 1991–2020 averages.
What are the warmest and wettest months in Sematan?
The warmest is May, with average highs of 90 °F, and the coldest February, with lows of 73 °F. The wettest is January (37.78 in) and the driest, June.
More about Sematan today
Weather near Sematan
- Pemangkat 85 °F · showers · 70 mi
- Singkawang 85 °F · showers · 82 mi
- Sebuyau 83 °F · showers · 83 mi
- Maludam 83 °F · showers · 88 mi
- Sungai Raya 85 °F · light showers · 97 mi
- Belawai 80 °F · light drizzle · 105 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 3.6 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 11:30 am (local time).
Spotted a mistake? Tell us · Where the weather and sea data come from