Nagano (Japan) weather

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Forecast days

Wed 12 Aug

Maximum daytime temperature: 30° Celsius; Minimum nighttime temperature: 22° Celsius;

Sunrise: 05:02

Sunset: 18:42

Sunny intervals.

VH UV

No pollution data.

No pollen data.

Wed 12 Aug

Maximum daytime temperature: 30 degrees Celsius; Minimum nighttime temperature: 22 degrees Celsius;
Thu 13 Aug

Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 23° Celsius;

Sunrise: 05:03

Sunset: 18:41

Sunny intervals.

VH UV

No pollution data.

No pollen data.

Thu 13 Aug

Maximum daytime temperature: 32 degrees Celsius; Minimum nighttime temperature: 23 degrees Celsius;
Fri 14 Aug

Maximum daytime temperature: 32° Celsius; Minimum nighttime temperature: 23° Celsius;

Sunrise: 05:04

Sunset: 18:40

Sunny intervals changing to light showers by lunchtime.

VH UV

No pollution data.

No pollen data.

Fri 14 Aug

Maximum daytime temperature: 32 degrees Celsius; Minimum nighttime temperature: 23 degrees Celsius;
Sat 15 Aug

Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 22° Celsius;

Sunrise: 05:04

Sunset: 18:39

Sunny intervals.

VH UV

No pollution data.

No pollen data.

Sat 15 Aug

Maximum daytime temperature: 33 degrees Celsius; Minimum nighttime temperature: 22 degrees Celsius;
Sun 16 Aug

Maximum daytime temperature: 33° Celsius; Minimum nighttime temperature: 22° Celsius;

Sunrise: 05:05

Sunset: 18:37

Sunny.

VH UV

No pollution data.

No pollen data.

Sun 16 Aug

Maximum daytime temperature: 33 degrees Celsius; Minimum nighttime temperature: 22 degrees Celsius;
Mon 17 Aug

Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 23° Celsius;

Sunrise: 05:06

Sunset: 18:36

Sunny.

VH UV

No pollution data.

No pollen data.

Mon 17 Aug

Maximum daytime temperature: 34 degrees Celsius; Minimum nighttime temperature: 23 degrees Celsius;
Tue 18 Aug

Maximum daytime temperature: 34° Celsius; Minimum nighttime temperature: 24° Celsius;

Sunrise: 05:07

Sunset: 18:35

Sunny changing to partly cloudy by early evening.

H UV

No pollution data.

No pollen data.

Tue 18 Aug

Maximum daytime temperature: 34 degrees Celsius; Minimum nighttime temperature: 24 degrees Celsius;

Sunny intervals.

Sunrise: 05:02

Sunset: 18:42

VH UV

No pollution data.

No pollen data.

7 day forecast for Nagano

Today (11 August 2026)

Time	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	30%	30%	30%	30%	20%	40%	30%	20%	10%	10%	10%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	24°	26°	27°	28°	29°	30°	30°	30°	29°	28°	28°	27°	26°	25°	25°	25°	24°
Feels like temperature (°C)	27°	29°	29°	29°	29°	29°	29°	30°	29°	29°	29°	28°	28°	27°	27°	27°	26°
Wind direction and speed (mph)	SSW 3	SSW 4	S 7	SSE 9	SSE 11	SSE 12	SE 11	SE 10	SSE 10	SSE 9	SSE 8	SSE 6	S 5	S 5	SSW 4	SSW 4	SSW 4
Wind gust (mph)	11	15	24	26	29	30	30	27	26	23	19	16	13	12	13	12	10
Visibility (description)	G	G	G	G	G	G	G	G	G	G	VG	VG	G	G	G	G	G
Humidity	92%	84%	72%	62%	56%	55%	56%	56%	56%	60%	64%	67%	72%	76%	81%	83%	84%
UV	2	4	7	8	8	6	7	6	3	2	1	-	-	-	-	-	-

Thursday (12 August 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	30%	30%	30%	20%	30%	10%	10%	10%	10%	<5%	<5%	10%	10%
Temperature (°C)	24°	23°	23°	23°	22°	22°	23°	24°	25°	27°	28°	30°	31°	31°	31°	32°	31°	30°	29°	27°	26°	26°	25°	25°
Feels like temperature (°C)	26°	26°	26°	25°	25°	24°	25°	27°	28°	29°	30°	31°	32°	33°	33°	33°	32°	31°	31°	30°	29°	28°	28°	27°
Wind direction and speed (mph)	SSW 4	SSW 3	SSW 3	SSW 3	SSW 3	SSW 3	SSW 3	S 3	S 4	S 6	S 6	S 7	SSE 7	SSE 7	SSE 7	SE 7	SE 7	SE 6	SE 5	SSE 4	SSE 4	S 3	S 3	SSW 3
Wind gust (mph)	9	8	7	7	7	6	8	11	15	17	19	19	19	19	19	18	17	15	11	9	9	8	8	7
Visibility (description)	G	G	G	G	G	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	85%	86%	89%	92%	92%	92%	91%	85%	76%	73%	66%	57%	53%	53%	50%	51%	55%	58%	66%	74%	77%	83%	85%	86%
UV	-	-	-	-	-	-	1	2	4	6	8	9	8	7	6	4	2	1	-	-	-	-	-	-

Friday (13 August 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	<5%	<5%	10%	10%	10%	<5%	<5%	<5%	10%	30%	30%	50%	50%	60%	60%	50%	30%	30%	20%	<5%	10%	10%	<5%	<5%
Temperature (°C)	24°	24°	24°	23°	23°	23°	24°	25°	26°	27°	29°	30°	31°	32°	32°	31°	31°	30°	29°	27°	27°	26°	25°	25°
Feels like temperature (°C)	27°	27°	27°	26°	26°	26°	27°	28°	29°	30°	31°	32°	33°	34°	34°	33°	33°	32°	31°	30°	29°	29°	28°	28°
Wind direction and speed (mph)	SSW 3	SSW 3	S 3	S 3	S 3	S 3	S 2	S 2	S 3	S 4	SSE 5	SSE 5	SSE 5	SE 6	ESE 6	ESE 6	ESE 5	ESE 5	SE 4	SSE 4	S 4	S 4	SSW 3	SSW 3
Wind gust (mph)	7	6	6	6	6	5	6	7	12	14	15	16	16	16	16	15	14	12	10	10	8	8	7	7
Visibility (description)	VG	G	G	G	G	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	G
Humidity	87%	90%	92%	93%	93%	94%	92%	86%	81%	75%	68%	62%	58%	55%	54%	59%	58%	64%	68%	77%	78%	84%	86%	86%
UV	-	-	-	-	-	-	1	2	4	6	8	10	9	8	5	3	2	1	-	-	-	-	-	-

Saturday (14 August 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Weather symbols
Chance of precipitation	10%	10%	10%	10%	10%	<5%	<5%	<5%	20%	20%	20%	30%	30%	30%	20%	20%	20%	20%	10%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	25°	25°	24°	24°	24°	24°	24°	25°	26°	27°	29°	30°	31°	31°	32°	31°	31°	30°	29°	27°	26°	26°	25°	25°
Feels like temperature (°C)	28°	28°	27°	27°	27°	26°	27°	28°	29°	30°	31°	32°	33°	33°	34°	33°	33°	32°	31°	29°	29°	28°	28°	27°
Wind direction and speed (mph)	SSW 3	SSW 3	S 3	S 3	S 3	S 3	S 2	S 3	S 4	S 5	SSE 6	SSE 6	SSE 6	SE 6	SE 6	SE 7	SE 6	SE 6	SSE 5	SSE 5	S 4	S 4	S 4	S 3
Wind gust (mph)	7	7	6	6	6	6	7	10	13	16	17	17	17	17	17	17	16	15	13	10	10	9	9	9
Visibility (description)	G	G	G	G	G	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG
Humidity	87%	90%	92%	92%	93%	93%	92%	86%	79%	75%	66%	60%	56%	54%	53%	54%	57%	60%	65%	71%	75%	77%	82%	84%
UV	-	-	-	-	-	-	1	2	4	6	8	9	8	7	6	3	2	1	-	-	-	-	-	-

Sunday (15 August 2026)

Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	12:00	15:00	18:00	21:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	10%	10%	<5%
Temperature (°C)	24°	24°	23°	23°	22°	22°	22°	24°	25°	26°	31°	33°	29°	26°
Feels like temperature (°C)	26°	26°	26°	25°	25°	24°	25°	26°	27°	28°	32°	34°	31°	28°
Wind direction and speed (mph)	S 3	S 3	S 3	S 3	SSE 3	SSE 3	SSE 3	S 3	S 3	S 5	SSE 5	ESE 6	ESE 5	SSE 4
Wind gust (mph)	8	7	7	7	7	6	8	10	13	16	16	16	11	9
Visibility (description)	VG	VG	VG	G	G	G	G	VG	VG	VG	VG	VG	VG	VG
Humidity	85%	86%	87%	89%	91%	92%	90%	84%	75%	66%	49%	42%	60%	76%
UV	-	-	-	-	-	-	1	2	4	7	9	3	-	-

Monday (16 August 2026)

Time	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	<5%	10%	<5%	<5%	<5%
Temperature (°C)	24°	22°	22°	27°	32°	33°	30°	27°
Feels like temperature (°C)	26°	25°	25°	29°	34°	34°	32°	30°
Wind direction and speed (mph)	SSE 3	SSE 3	SSE 3	S 3	E 5	NE 7	NE 5	E 3
Wind gust (mph)	7	6	10	13	18	18	12	8
Visibility (description)	VG	G	G	VG	VG	VG	VG	VG
Humidity	85%	91%	89%	66%	49%	44%	63%	79%
UV	-	-	1	6	9	4	-	-

Tuesday (17 August 2026)

Time	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00
Weather symbols
Chance of precipitation	<5%	<5%	<5%	10%	20%	20%	10%	<5%
Temperature (°C)	25°	24°	24°	28°	32°	33°	30°	27°
Feels like temperature (°C)	28°	27°	27°	32°	35°	35°	33°	31°
Wind direction and speed (mph)	SSE 3	SSE 3	SSE 2	S 2	N 4	NE 6	NE 4	ESE 2
Wind gust (mph)	6	5	8	9	15	18	12	7
Visibility (description)	VG	G	G	VG	VG	VG	VG	VG
Humidity	87%	92%	88%	69%	55%	53%	71%	85%
UV	-	-	1	6	7	3	-	-

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Forecast for 8am (UTC+9) Wednesday

Updated 19:17 (UTC+1) on Tue 11 Aug 2026

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Nagano (Japan) weather

Find a forecast

Forecast days

Wed 12 Aug

Wed 12 Aug

Thu 13 Aug

Thu 13 Aug

Fri 14 Aug

Fri 14 Aug

Sat 15 Aug

Sat 15 Aug

Sun 16 Aug

Sun 16 Aug

Mon 17 Aug

Mon 17 Aug

Tue 18 Aug

Tue 18 Aug

7 day forecast for Nagano

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