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10 day weather forecast for Karuizawa

Tuesday, 27th October 2026, at 01:38
Today
Patchy rain possible
18° 10°
Tomorrow
Patchy rain possible
9° 1°
Thursday
Sunny
12° 0°
Friday
Moderate rain
12° 6°
Saturday
Patchy rain possible
15° 5°
Sunday
Cloudy
9° 3°
Monday
Patchy rain possible
14° 6°
 More Details See
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Karuizawa Weather Pages

Karuizawa weather forecast

The weather forecast for Karuizawa for today indicates damp and chilly conditions with temperatures around 18 °C.

Rain is expected on today, tomorrow, Friday, and Saturday.

Wind speeds are expected to be breezy, averaging around 12.6 km/h.

On Wednesday, expect a change in weather with temperatures reaching 9°C, and light showers with a 39% chance.

Weather today

Karuizawa 14 days weather forecast

This weeks weather in Karuizawa. Click on a date for detailed forecasts
Tue. 27
18°
10°
Patchy rain possible
0.8 mm
Wed. 28
9°
1°
Patchy rain possible
0.6 mm
Thu. 29
12°
0°
Sunny
0 mm
Fri. 30
12°
6°
Moderate rain
14.3 mm
Sat. 31
15°
5°
Patchy rain possible
0.3 mm
Sun. 1
9°
3°
Cloudy
0 mm
Mon. 2
14°
6°
Patchy rain possible
1.3 mm
Tue. 3
10°
4°
Patchy rain possible
0.1 mm
Wed. 4
10°
3°
Patchy rain possible
0.1 mm
Thu. 5
11°
3°
Patchy rain possible
0.1 mm
Fri. 6
10°
2°
Partly cloudy
0.1 mm
Sat. 7
14°
4°
Partly cloudy
0.1 mm
Sun. 8
14°
3°
Sunny
0 mm
Further Ahead
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Access Karuizawa weather forecasts with a simple click. Select any date for comprehensive insights on temperature, rainfall, and wind conditions.
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Karuizawa long range weather forecast

30 day weather forecast for Karuizawa
September
November
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Light rain
19°
2
Patchy rain possible
19°
3
Light rain
17°
4
Light rain
17°
5
Fog
19°
6
Patchy rain possible
19°
7
Light rain
17°
8
Moderate rain
18°
9
Light rain
16°
10
Patchy rain possible
18°
11
Patchy rain possible
19°
12
Patchy rain possible
21°
13
Patchy rain possible
19°
14
Light rain
16°
15
Patchy rain possible
19°
16
Light rain
18°
17
Patchy rain possible
18°
18
Fog
18°
19
Light rain
20°
20
Patchy rain possible
17°
21
Patchy rain possible
17°
22
Partly cloudy
13°
23
Patchy rain possible
16°
24
Light rain
14°
25
Light rain
16°
26
Light rain
16°
27
Patchy rain possible
18°
28
Patchy rain possible
9°
29
Sunny
12°
30
Moderate rain
12°
31
Patchy rain possible
15°
Important Notice
Our Karuizawa long range weather forecast is based on historical data analysis rather than real-time forecasting models. While this provides a general outlook, weather conditions can change. We recommend checking the forecast closer to your planned date for the most current information.

Rain Forecast for the Next 14 Days in Karuizawa

A total of 17.6 mm is expected over 2 rainy days. The wettest day is Friday 30, with 14.3 mm. Click a day for details.
Tue. 27
0.8
0.8 mm
63%
Wed. 28
0.6
0.6 mm
39%
Thu. 29
0 mm
13%
Fri. 30
14.3
14.3 mm
90%
Sat. 31
0.3
0.3 mm
30%
Sun. 1
0 mm
19%
Mon. 2
1.3
1.3 mm
64%
Tue. 3
0.1
0.1 mm
14%
Wed. 4
0.1
0.1 mm
21%
Thu. 5
0.1
0.1 mm
17%
Fri. 6
0.1
0.1 mm
19%
Sat. 7
0.1
0.1 mm
17%
Sun. 8
0 mm
9%

Frequently asked questions about the weather in Karuizawa

How warm is it in Karuizawa over the next 14 days?
Over the next two weeks, temperatures in Karuizawa are expected to range from around 0 °C on the coldest nights up to about 18 °C on the warmest days. Use this range to plan what to pack and wear.

Will it rain in Karuizawa in the next two weeks?
Yes - rain is expected on about 2 of the next 14 days in Karuizawa, with roughly 17.6 mm of rainfall in total. It is worth keeping an umbrella or raincoat handy.

How windy is it in Karuizawa?
Maximum wind speeds in Karuizawa are forecast to reach about 20.2 km/h at their peak over the next 14 days.

When is the best time to visit Karuizawa?
For a month-by-month look at temperatures and rainfall, see our best time to visit Karuizawa guide.

How accurate is the 14-day forecast for Karuizawa?
Our Karuizawa forecast uses leading meteorological models and is most reliable over the next few days. Long-range days beyond a week show general trends and can change, so check back closer to the date for updates.
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Location coordinates Where is Karuizawa?

Get accurate weather forecasts for Karuizawa, located at latitude 36.35 and longitude 138.633. Stay updated with localized weather information tailored for Karuizawa.

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