Weather forecast for todayKaruizawa, Japan
Weather forecast for today
Current condition 05:16 JST
- 16°C
- Feels like:16°C
Mostly Cloudy
- Precipitation: 0mm
- Wind: 3km/hWSW 240°
- Humidity: 90%
- Dewpoint: 14°C
- Pressure: 1014.56mbar
- Visibility: 4.67km
- UV index: 0
- details ▼
At the moment, a dense layer of clouds is spreading across the sky, making it predominantly cloudy.
The temperature is an enjoyable 16°C. The current temperature is relatively far from today's maximum-forecasted 25°C.
The temperature is an enjoyable 16°C. The current temperature is relatively far from today's maximum-forecasted 25°C.
Wednesday 21. Oct 2026
- 25°C
- 10°C
Few Showers
- Precip. probability: 32%
- Precipitation: 2mm
- Wind: 21km/hWSW 241°
- Humidity: 66%
- UV index: 5
- Sunrise: 05:57 JST
- Sunset: 17:02 JST
- details ▼
Today, in Karuizawa, a few sprinkles may pass through now and then.
Minimal precipitation is anticipated. Substantial temperature fluctuations from a high of a warm 25°C to a low of a crisp 10°C are predicted.
The expected high of 25°C appears seasonally off, better matching September's typical values.
Sunrise will be at 05:57 and sunset at 17:02; the daylight will last for 11h and 5min.
Minimal precipitation is anticipated. Substantial temperature fluctuations from a high of a warm 25°C to a low of a crisp 10°C are predicted.
The expected high of 25°C appears seasonally off, better matching September's typical values.
Sunrise will be at 05:57 and sunset at 17:02; the daylight will last for 11h and 5min.
Hourly overview
Hourly temperatures
Warmest hour: 14h 25°C.
Minimum temperature: 15°C.
Minimum temperature: 15°C.
Chance of precipitation
Highest chance: 20h 72%.
Hourly weather forecast
- 6h
- 15°C
- Feels like:15°C
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0mm
- Wind: 4km/hWSW 258°
- Humidity: 91%
- Pressure: 1014mbar
- Visibility: 5km
- UV index: 0
- details ▼
- 8h
- 18°C
- Feels like:18°C
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0mm
- Wind: 7km/hSW 222°
- Humidity: 84%
- Pressure: 1013mbar
- Visibility: 15km
- UV index: 1
- details ▼
- 10h
- 22°C
- Feels like:22°C
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0mm
- Wind: 11km/hSW 230°
- Humidity: 64%
- Pressure: 1011mbar
- Visibility: 16km
- UV index: 4
- details ▼
- 12h
- 24°C
- Feels like:24°C
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 15km/hWSW 238°
- Humidity: 51%
- Pressure: 1009mbar
- Visibility: 16km
- UV index: 5
- details ▼
- 14h
- 25°C
- Feels like:25°C
Sunny
- Precip. probability: 0%
- Precipitation: 0mm
- Wind: 20km/hWSW 242°
- Humidity: 47%
- Pressure: 1008mbar
- Visibility: 16km
- UV index: 3
- details ▼
- 16h
- 23°C
- Feels like:23°C
Mostly Sunny
- Precip. probability: 9%
- Precipitation: 0mm
- Wind: 21km/hWSW 245°
- Humidity: 50%
- Pressure: 1008mbar
- Visibility: 16km
- UV index: 0
- details ▼
Sunset: 17:02
- 18h
- 21°C
- Feels like:21°C
Few Showers
- Precip. probability: 33%
- Precipitation: 1mm
- Wind: 17km/hW 261°
- Humidity: 61%
- Pressure: 1008mbar
- Visibility: 14km
- UV index: 0
- details ▼
- 20h
- 18°C
- Feels like:18°C
Light Rain
- Precip. probability: 72%
- Precipitation: 1mm
- Wind: 11km/hWNW 283°
- Humidity: 79%
- Pressure: 1010mbar
- Visibility: 10km
- UV index: 0
- details ▼
- 22h
- 16°C
- Feels like:16°C
Cloudy
- Precip. probability: 24%
- Precipitation: 0mm
- Wind: 10km/hWNW 288°
- Humidity: 88%
- Pressure: 1011mbar
- Visibility: 9km
- UV index: 0
- details ▼
Today, in Karuizawa, a combination of cloud-filled, dry and sunny and damp weather is forecasted.
With minimal precipitation of 1mm, rainfall is anticipated from 18h to 21h.
The temperature will vary between a minimum of 15°C and a maximum of 25°C. The warmest part of the day will be at 13h and 14h.
The temperature will feel more similar to September's average high than the expected maximum for October. Forecasts show a temperature also more close to September's average minimum of 12.2°C rather than the October average of 4.4°C.
With minimal precipitation of 1mm, rainfall is anticipated from 18h to 21h.
The temperature will vary between a minimum of 15°C and a maximum of 25°C. The warmest part of the day will be at 13h and 14h.
The temperature will feel more similar to September's average high than the expected maximum for October. Forecasts show a temperature also more close to September's average minimum of 12.2°C rather than the October average of 4.4°C.
Updated: Oct 20, 2026 @ 20:16:16 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
The temperature at 05:16 JST in Karuizawa is 16°C.
On Wednesday, in Karuizawa, scattered rain showers may move through at times.
Today, there is a low chance of minimal precipitation in Karuizawa.
Today, the highest temperature in Karuizawa will be 25°C, while the lowest temperature will be 10°C.
The highest temperature will be uncommonly higher than the average maximum of 15.2°C in October. The lowest temperature will be also noticeably higher than the average low of 4.4°C.
The highest temperature will be uncommonly higher than the average maximum of 15.2°C in October. The lowest temperature will be also noticeably higher than the average low of 4.4°C.
On Wednesday, in Karuizawa, sunrise will be at 05:57 and sunset at 17:02 (JST).
Today, the daylight will last for 11h and 5min.
Karuizawa, Japan
- en: Karuizawa, Japan
- es: Karuizawa, Japón
- hr: Karuizawa, Japan
- mk: Karuizawa, Japan
- sr: Karuizawa, Japan
- zh: 轻井泽町, 日本
- Latitude: 36.348290°
- Longitude: 138.596955°
- Elevation: 939 m
- Current time: 05:16 JST
- Sunrise: 05:57 JST
- Sunset: 17:02 JST
- Timezone: Asia/Tokyo
Nearby Karuizawa, Japan
- Iwamurada (14 km)
- Hiraka (16 km)
- Nakagomi (17 km)
- Shionada (18 km)
- Toridemachi (19 km)
- Tomono (19 km)
- Usuda (20 km)
- Kazawa (22 km)
- Shimonita (23 km)
- Naganohara (23 km)
- Mochizuki (23 km)
- Annaka (26 km)
- Managashi (30 km)
- Sugadaira (31 km)
- Ueda (32 km)
- Nakanojo (35 km)
- Takasaki (37 km)
- Shibukawa (39 km)
- Maebashi (42 km)
- Suzaka (42 km)
- Togura (43 km)
- Fujioka (44 km)
- Obuse (46 km)
- Onishi (47 km)





