TidePlanet

Weather in Katsuura

14-day forecast · updated today, Thursday, October 29, at 10:44 am (GMT+9)
Now · clear sky 66 °F
Feels like
64 °F
Low / high
46 / 68 °F
Rain
0%
Wind
3 mph NNE
→ 30.29 inHg · steady

Today in Katsuura: overcast, 46 °F to 68 °F, with a 0% chance of rain and a light air from the north-northeast (3 mph). Tomorrow, drizzle, 57 °F to 72 °F and a 90% chance of rain. The warmest day of the week is Monday 2, at 73 °F.

Temperatures for the next 14 days

Day by day

Day Sky Low / high Rain Max wind Max wave High tides Model
Today · 29 Overcast 46 / 68 °F 0% 5 mph NNW 3.5 ft 7:58 am · 6:54 pm ECMWF
Fri 30 Drizzle 57 / 72 °F 90% · 0.30 in 8 mph W 6.0 ft 8:51 am · 7:32 pm ECMWF
Sat 31 Mainly clear 54 / 72 °F 14% 12 mph WNW 6.1 ft 9:54 am · 8:18 pm ECMWF
Sun 1 Overcast 48 / 67 °F 0% 6 mph NW 7.6 ft 11:14 am · 9:26 pm ECMWF
Mon 2 Light rain 52 / 73 °F 75% · 0.19 in 14 mph W 8.5 ft 12:46 pm · 11:25 pm ECMWF
Tue 3 Overcast 59 / 70 °F 20% 12 mph NW 6.6 ft 1:54 pm ECMWF
Wed 4 Light drizzle 55 / 66 °F 51% · 0.06 in 8 mph N 7.9 ft 1:23 am · 2:38 pm ECMWF
Thu 5 Drizzle 56 / 68 °F 65% · 0.18 in 7 mph N 8.1 ft 2:45 am · 3:12 pm ECMWF
Fri 6 Partly cloudy 53 / 72 °F 39% 10 mph NW 7.6 ft 3:45 am · 3:42 pm ECMWF
Sat 7 Overcast 53 / 63 °F 14% 9 mph NW 5.8 ft 4:34 am · 4:09 pm ECMWF
Sun 8 Overcast 52 / 65 °F 9% 6 mph NW 7.7 ft 5:17 am · 4:36 pm ECMWF
Mon 9 Overcast 46 / 61 °F 14% 9 mph NW 6.8 ft 5:57 am · 5:01 pm ECMWF
Tue 10 Clear sky 43 / 63 °F 16% 10 mph WNW 5.3 ft 6:34 am · 5:27 pm ECMWF
Wed 11 Mainly clear 45 / 64 °F 11% 5 mph WNW 3.6 ft 7:10 am · 5:53 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 am3:00 am6:00 am9:00 am12:00 pm3:00 pm6:00 pm9:00 pm
Sky ClearMainly clearPartly cloudyClear skyMainly clearClear skyMainly clearOvercast
Temperature 51°49°46°62°67°67°61°58°
Chance of rain 0%0%0%0%0%0%0%0%
Rain 0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in0.00 in
Wind (mph) 4 NNW5 NW5 NW3 NNW4 NE4 E1 N4 WNW
Humidity 83%84%81%50%40%46%69%73%
UV 00035100
Model ECMWFECMWFECMWFECMWFECMWFECMWFECMWFECMWF

Do the models agree?

Medium confidence

They broadly agree, but not quite on rain 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.

Do the models agree? · High
High (°F) TodayFri 30Sat 31Sun 1Mon 2Tue 3Wed 4
ECMWF 68°72°72°67°73°70°66°
AIFS 68°67°71°69°68°70°67°
GFS 67°72°70°68°75°71°64°
ICON 69°68°70°68°77°70°67°
Confidence highhighhighhighmediumhighhigh
Do the models agree? · Rain
Rain TodayFri 30Sat 31Sun 1Mon 2Tue 3Wed 4
ECMWF 00.30 in000.19 in00.06 in
AIFS 00.76 in0.06 in00.47 in00.03 in
GFS 00.07 in000.09 in00.02 in
ICON 00.01 in000.01 in00.70 in
Confidence highmediummediumhighmediumhighlow
Do the models agree? · Wind
Wind (mph) TodayFri 30Sat 31Sun 1Mon 2Tue 3Wed 4
ECMWF 512818122761414331221820
AIFS 64957711
GFS 665101225791236710920
ICON 611511153161113276131326
Confidence highhighhighhighmediumhighhigh

Chance of rain from the ensemble models

Model TodayFri 30Sat 31Sun 1Mon 2Tue 3Wed 4
ECMWF (51 scenarios) 0%90%14%0%75%20%51%
GFS (GEFS, 31 scenarios) 3%33%19%0%74%16%50%

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: normal temperatures, normal rain and a slightly warmer sea.

Next 6 weeks

When TemperatureTemp. Rain Sea Typical high / low
Nov 2 – Nov 8Nov 2–Nov 8 Normal +0.5 °F Normal A bit above +0.9 °F —
Nov 9 – Nov 15Nov 9–Nov 15 Normal −0.4 °F A bit below −21% A bit above +0.7 °F —
Nov 16 – Nov 22Nov 16–Nov 22 A bit above +1.1 °F Normal A bit above +0.7 °F 64° / 58°
Nov 23 – Nov 29Nov 23–Nov 29 A bit above +2.0 °F A bit above +20% A bit above +0.5 °F 62° / 56°
Nov 30 – Dec 6Nov 30–Dec 6 A bit above +2.5 °F A bit above +44% A bit above +1.1 °F 60° / 54°

Coming months

When TemperatureTemp. Rain Sea
November A bit above +2.3 °F Normal —
December A bit above +2.3 °F A bit above +41% —
January A bit above +2.2 °F Normal —
February Above +3.1 °F Normal —
March A bit above +2.3 °F Normal —

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.

Katsuura climate by monthClimate by month

Normal weather for each month (1991–2020 averages)

The best time to visit Katsuura is in May and in August: highs of 73 °F to 86 °F, about 12 rainy days a month and 7 hours of sunshine a day.

Typhoon season: from July to September, peaking in September. In the last 30 years (1996–2025), 40 tropical cyclones passed within 93 mi of Katsuura, one or two a year; 20 of them with hurricane-force winds (74 mph or more). The most recent: Peipah, in September 2025.

Month High Low Rain Rainy daysDays Sun (h/day) Water Waves Cyclones
JanuaryJan 52° 39° 3.06 in 5 5.7 64° 3.7 ft –
FebruaryFeb 54° 39° 3.90 in 6 6.0 63° 4.1 ft –
MarchMar 59° 44° 5.91 in 9 6.1 63° 4.4 ft –
AprilApr 67° 53° 6.87 in 10 6.3 65° 4.5 ft –
MayMay 73° 60° 8.22 in 10 5.9 69° 4.2 ft –
JuneJun 77° 67° 12.74 in 14 4.3 73° 4.5 ft 4
JulyJul 84° 74° 10.02 in 15 5.8 78° 4.7 ft 9
AugustAug 86° 75° 7.78 in 14 7.2 81° 5.2 ft 8
SeptemberSep 81° 70° 11.68 in 15 5.4 80° 5.7 ft 14
OctoberOct 74° 62° 10.97 in 11 4.8 76° 6.0 ft 5
NovemberNov 65° 52° 6.12 in 7 5.1 72° 4.2 ft –
DecemberDec 57° 43° 3.39 in 5 5.3 67° 3.9 ft –
Month Water Waves Cyclones
Jan 64° 3.7 ft –
Feb 63° 4.1 ft –
Mar 63° 4.4 ft –
Apr 65° 4.5 ft –
May 69° 4.2 ft –
Jun 73° 4.5 ft 4
Jul 78° 4.7 ft 9
Aug 81° 5.2 ft 8
Sep 80° 5.7 ft 14
Oct 76° 6.0 ft 5
Nov 72° 4.2 ft –
Dec 67° 3.9 ft –

Days: rainy days in the month. Sun: hours a day.

A normal year brings 90.67 in of rain on about 120 days and about 2,050 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

Now66 °Ffeels like 64 °F
Tomorrow57 / 72 °F

It's 66 °F now (feels like 64 °F). Today, 46 °F to 68 °F; tomorrow, 57 °F to 72 °F.

Chance of rain

  • Today 0%
  • Fri 30 90% 0.30 in
  • Sat 31 14%
  • Sun 1 0%
  • Mon 2 75% 0.19 in
  • Tue 3 20%
  • Wed 4 51% 0.06 in

Today the chance of rain reaches 0%. The next day with likely rain is Friday 30: 90% and 0.30 in.

Recent rain: last 24 hours, 0.00 in; last 3 days, 1.49 in; last 7 days, 6.51 in.

Humidity and dew point

Humidity42%
Dew point42 °F

Humidity is 42% now and the dew point is 42 °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

Now15 migood
Clouds13%

Visibility is good now (15 mi). No fog expected today.

The model gives visibility up to about 15 mi: beyond that, the horizon is clear.

UV index

Now5
Today's peak5moderate

Fri 30: 3 · Sat 31: 5 · Sun 1: 5

IndexLevelWhat to do
0–2lowNo special protection needed.
3–5moderateHat, sunglasses and sunscreen around midday.
6–7highSunscreen, hat and shade between 12 and 4 pm.
8–10very highAvoid the midday sun; reflection off the water adds to it.
11+extremeAvoid 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 (0.00 inHg in 3 hours). Over the next 48 hours: −0.28 inHg. Steady pressure: anglers expect normal activity. Fast changes, either way, tend to affect fishing.

Air and pollen

Air qualityFair · 38
Saharan dustNo

Previous days

The weather over the last 30 days, as the models analyzed it. Tap a day to see it hour by hour.

DaySkyLow / highRainMax wind
Wed 28 Mainly clear53 / 69 °F011 mph NW
Tue 27 Heavy drizzle66 / 80 °F0.25 in13 mph NW
Mon 26 Rain67 / 72 °F2.04 in13 mph NNE
Sun 25 Light rain70 / 78 °F0.90 in12 mph WSW
Sat 24 Rain71 / 75 °F1.85 in13 mph E
Fri 23 Rain60 / 72 °F1.46 in13 mph NE
Thu 22 Overcast62 / 77 °F010 mph NW
Show all 30 days
DaySkyLow / highRainMax wind
Wed 21 Light drizzle73 / 86 °F0.01 in13 mph WSW
Tue 20 Light showers71 / 83 °F0.31 in8 mph WSW
Mon 19 Rain70 / 80 °F0.40 in7 mph SSE
Sun 18 Light drizzle67 / 75 °F0.04 in13 mph E
Sat 17 Overcast57 / 77 °F011 mph NE
Fri 16 Overcast56 / 76 °F05 mph WNW
Thu 15 Overcast56 / 73 °F07 mph NW
Wed 14 Light showers64 / 82 °F0.18 in9 mph WNW
Tue 13 Light drizzle61 / 76 °F0.02 in8 mph S
Mon 12 Overcast60 / 77 °F05 mph NNW
Sun 11 Overcast58 / 78 °F06 mph WNW
Sat 10 Light drizzle63 / 75 °F0.01 in10 mph NE
Fri 9 Light drizzle65 / 76 °F0.07 in11 mph NE
Thu 8 Overcast55 / 75 °F012 mph NNE
Wed 7 Mainly clear60 / 77 °F011 mph NW
Tue 6 Overcast66 / 81 °F011 mph NW
Mon 5 Light rain70 / 72 °F0.25 in12 mph NE
Sun 4 Drizzle69 / 73 °F0.39 in16 mph NE
Sat 3 Light drizzle57 / 76 °F0.06 in12 mph NE
Fri 2 Overcast64 / 80 °F06 mph NW
Thu 1 Overcast65 / 81 °F06 mph WNW
Wed 30 Rain67 / 77 °F1.23 in13 mph NE
Tue 29 Rain68 / 74 °F1.55 in9 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 KatsuuraQuestions

What's the weather like today in Katsuura?

Overcast, from 46 °F to 68 °F, with a light air from the north-northeast (3 mph) and a 0% chance of rain.

Will it rain tomorrow in Katsuura?

On Friday 30 the chance of rain is 90% (0.30 in): drizzle.

How warm will it be this week?

Between a low of 46 °F and a high of 73 °F; the warmest day, Monday 2.

What's the UV index today?

It reaches 5 (moderate). Hat, sunglasses and sunscreen around midday.

Is the pressure rising or falling?

It's 30.29 inHg and steady: +0.19 inHg over the last 24 hours.

When is the best time to visit Katsuura?

The best time to visit Katsuura is in May and in August: highs of 73 °F to 86 °F, about 12 rainy days a month and 7 hours of sunshine a day.

What is the weather like in Katsuura in October?

In October, Katsuura normally sees highs of 74 °F and lows of 62 °F, with about 11 rainy days (10.97 in for the month) and 5 hours of sunshine a day. The sea is around 76 °F. These are 1991–2020 averages.

What are the warmest and wettest months in Katsuura?

The warmest is August, with average highs of 86 °F, and the coldest January, with lows of 39 °F. The wettest is June (12.74 in) and the driest, January.

When is typhoon season in Katsuura?

Typhoon season: from July to September, peaking in September. In the last 30 years (1996–2025), 40 tropical cyclones passed within 93 mi of Katsuura, one or two a year; 20 of them with hurricane-force winds (74 mph or more). The most recent: Peipah, in September 2025.

More about Katsuura today

Weather near Katsuura

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 8.9 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 10:44 am (local time).

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