Karuizawa weather
The forecast for Karuizawa (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.
Nagano, Japan36.35°N, 138.63°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 26Rain
9 mm · gusts 22 km/h13°C 12°C - TomorrowOctober 27Light rain
0.6 mm · gusts 29 km/h20°C 11°C - WednesdayOctober 28Mostly clear
0.4 mm · gusts 50 km/h11°C 3°C - ThursdayOctober 29Cloudy
gusts 31 km/h10°C 1°C - FridayOctober 30Light rain
1 mm · gusts 3 km/h13°C 6°C - SaturdayOctober 31Light rain
0.4 mm · gusts 12 km/h16°C 6°C - SundayNovember 1Cloudy
gusts 29 km/h12°C 4°C - MondayNovember 2Light rain
3 mm · gusts 36 km/h16°C 8°C - TuesdayNovember 3Mostly clear
0.1 mm · gusts 33 km/h11°C 5°C - WednesdayNovember 4Light rain
0.7 mm · gusts 23 km/h9°C 5°C
Over the next 10 days in Karuizawa, temperatures will range from 1°C to 20°C, with 15 mm of rain or snow in total. Days with at least 1 mm of precipitation: 3. ECMWF model run from October 26 at 03:00 AM.
Karuizawa wind forecast for 10 days
Windiest: Wednesday, October 28 - average 11 km/h, gusts up to 50 km/h. Calmest: Friday, October 30 - average 2 km/h. The wind blows most often from the west.
| Day | Wind | Gusts | Direction |
|---|---|---|---|
| Today | 5 km/h | 22 km/h | east |
| Tomorrow | 4 km/h | 29 km/h | west |
| Wed, 10/28 | 11 km/h | 50 km/h | west |
| Thu, 10/29 | 5 km/h | 31 km/h | northeast |
| Fri, 10/30 | 2 km/h | 3 km/h | northwest |
| Sat, 10/31 | 7 km/h | 12 km/h | west |
| Sun, 11/1 | 5 km/h | 29 km/h | east |
| Mon, 11/2 | 5 km/h | 36 km/h | west |
| Tue, 11/3 | 5 km/h | 33 km/h | northwest |
| Wed, 11/4 | 3 km/h | 23 km/h | east |
Climate through the year
In October, daytime temperatures here average 15°C and nights 6°C, with about 158 mm of rain over the month. The warmest month is August (an average of 25°C by day), the coolest is January (-2°C by day, -8°C at night). The wettest month is July (about 195 mm) and the driest is February (61 mm).
| Month | Day | Night | Rain |
|---|---|---|---|
| January | -2°C | -8°C | 83 mm |
| February | -1°C | -8°C | 61 mm |
| March | 4°C | -4°C | 81 mm |
| April | 11°C | 1°C | 88 mm |
| May | 17°C | 7°C | 104 mm |
| June | 21°C | 12°C | 146 mm |
| July | 25°C | 16°C | 195 mm |
| August | 25°C | 17°C | 163 mm |
| September | 21°C | 13°C | 179 mm |
| October | 15°C | 6°C | 158 mm |
| November | 8°C | 0°C | 85 mm |
| December | 1°C | -5°C | 90 mm |
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 Karuizawa comes from the ECMWF model and is computed for the point 36.35°N, 138.63°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