Isumi weather
The forecast for Isumi (Japan) for the next 10 days in local time: every 3 hours for the first 6 days, then every 6 hours. See when it will rain, how hard the wind will blow and how warm it will get.
Chiba, Japan35.23°N, 140.4°EAsia/Tokyo (UTC+9)ECMWF: October 26 at 03:00 AM
A real measurement from an airport weather station (NOAA, METAR reports), updated every hour. The forecast next to it comes from a model. NOAA Aviation Weather Center
Next 48 hours (local time)
10-day forecast
- TodayOctober 26Heavy rain
17 mm · gusts 37 km/h22°C 21°C - TomorrowOctober 27Heavy rain
26 mm · gusts 42 km/h22°C 19°C - WednesdayOctober 28Partly cloudy
7 mm · gusts 46 km/h20°C 15°C - ThursdayOctober 29Rain
8 mm · gusts 38 km/h17°C 14°C - FridayOctober 30Rain
8 mm · gusts 12 km/h20°C 15°C - SaturdayOctober 31Clear sky
3 mm · gusts 30 km/h22°C 18°C - SundayNovember 1Partly cloudy
1 mm · gusts 45 km/h20°C 15°C - MondayNovember 2Partly cloudy
0.7 mm · gusts 90 km/h23°C 20°C - TuesdayNovember 3Mostly clear
0.3 mm · gusts 54 km/h17°C 16°C - WednesdayNovember 4Heavy rain
16 mm · gusts 66 km/h16°C 14°C
Over the next 10 days in Isumi, temperatures will range from 14°C to 23°C, with 88 mm of rain or snow in total. Days with at least 1 mm of precipitation: 8. ECMWF model run from October 26 at 03:00 AM.
Isumi wind forecast for 10 days
Windiest: Monday, November 2 - average 38 km/h, gusts up to 90 km/h. Calmest: Friday, October 30 - average 9 km/h. The wind blows most often from the north. Strong gusts: Monday, November 2, up to 90 km/h.
| Day | Wind | Gusts | Direction |
|---|---|---|---|
| Today | 21 km/h | 37 km/h | east |
| Tomorrow | 19 km/h | 42 km/h | north |
| Wed, 10/28 | 22 km/h | 46 km/h | north |
| Thu, 10/29 | 16 km/h | 38 km/h | northeast |
| Fri, 10/30 | 9 km/h | 12 km/h | north |
| Sat, 10/31 | 18 km/h | 30 km/h | west |
| Sun, 11/1 | 21 km/h | 45 km/h | east |
| Mon, 11/2 | 38 km/h | 90 km/h | southwest |
| Tue, 11/3 | 27 km/h | 54 km/h | northeast |
| Wed, 11/4 | 39 km/h | 66 km/h | northeast |
Climate through the year
In October, daytime temperatures here average 23°C and nights 21°C, with about 248 mm of rain over the month. The sea is around 24°C at that time. The warmest month is August (an average of 27°C by day), the coolest is January (13°C by day, 10°C at night). The wettest month is October (about 248 mm) and the driest is January (87 mm). The sea temperature ranges from about 17°C in February to 27°C in August. The sea is at least 24°C in these months: July, August, September, October.
| Month | Day | Night | Rain | Sea |
|---|---|---|---|---|
| January | 13°C | 10°C | 87 mm | 18°C |
| February | 13°C | 10°C | 88 mm | 17°C |
| March | 15°C | 11°C | 137 mm | 17°C |
| April | 18°C | 15°C | 151 mm | 18°C |
| May | 20°C | 19°C | 170 mm | 20°C |
| June | 23°C | 21°C | 219 mm | 22°C |
| July | 25°C | 24°C | 172 mm | 25°C |
| August | 27°C | 26°C | 141 mm | 27°C |
| September | 26°C | 25°C | 225 mm | 26°C |
| October | 23°C | 21°C | 248 mm | 24°C |
| November | 20°C | 17°C | 133 mm | 22°C |
| December | 16°C | 13°C | 93 mm | 20°C |
Long-term averages from NASA POWER data (MERRA-2, 2001-2020 reanalysis, CC BY 4.0). Sea temperature is the average water surface temperature at the nearest grid point over the sea. This is climate, not a forecast for a specific day. NASA POWER
The forecast for Isumi comes from the ECMWF model and is computed for the point 35.23°N, 140.4°E. Temperature is measured 2 m above the ground, wind at 10 m. Gusts are the strongest bursts of wind within each 3-hour period.
Source: ECMWF IFS model (CC BY 4.0), data modified. A forecast is a model result, not a measurement. ECMWF