Nagano (Japan) weather

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Forecast days

Today

Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 1° Celsius;

Sunrise: 06:58

Sunset: 16:58

Sunny intervals changing to overcast by early evening.

M UV

No pollution data.

No pollen data.

Today

Maximum daytime temperature: 10° Celsius; Minimum nighttime temperature: 1° Celsius;
Tue 20 Jan

Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -4° Celsius;

Sunrise: 06:57

Sunset: 16:59

Overcast.

M UV

No pollution data.

No pollen data.

Tue 20 Jan

Maximum daytime temperature: 1° Celsius; Minimum nighttime temperature: -4° Celsius;
Wed 21 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -5° Celsius;

Sunrise: 06:57

Sunset: 17:00

Overcast changing to sunny intervals in the afternoon.

M UV

No pollution data.

No pollen data.

Wed 21 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -5° Celsius;
Thu 22 Jan

Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -12° Celsius;

Sunrise: 06:56

Sunset: 17:01

Light snow changing to overcast by lunchtime.

M UV

No pollution data.

No pollen data.

Thu 22 Jan

Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -12° Celsius;
Fri 23 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -9° Celsius;

Sunrise: 06:56

Sunset: 17:02

Overcast.

M UV

No pollution data.

No pollen data.

Fri 23 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -9° Celsius;
Sat 24 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -6° Celsius;

Sunrise: 06:55

Sunset: 17:04

Overcast changing to light snow by early evening.

M UV

No pollution data.

No pollen data.

Sat 24 Jan

Maximum daytime temperature: 0° Celsius; Minimum nighttime temperature: -6° Celsius;
Sun 25 Jan

Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -10° Celsius;

Sunrise: 06:55

Sunset: 17:05

Light snow changing to overcast by late morning.

M UV

No pollution data.

No pollen data.

Sun 25 Jan

Maximum daytime temperature: -3° Celsius; Minimum nighttime temperature: -10° Celsius;

Sunny intervals changing to overcast by early evening.

Sunrise: 06:58

Sunset: 16:58

M UV

No pollution data.

No pollen data.

7 day forecast for Nagano

Today (18 January 2026)

Time	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%	10%	10%	<5%
Temperature (°C)	10°	8°	7°	7°	6°	6°	6°	5°
Feels like temperature (°C)	9°	7°	6°	6°	5°	5°	5°	4°
Wind direction and speed (mph)	ESE 1	ENE 1	N 2	N 3	NNW 3	NNW 3	NW 3	NW 3
Wind gust (mph)	4	5	6	7	7	6	6	6
Visibility (description)	VG	VG	VG	VG	VG	G	G	G
Humidity	71%	82%	79%	77%	76%	81%	85%	86%
UV	-	-	-	-	-	-	-	-

Tuesday (19 January 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%	30%	60%	≥95%	90%	50%	20%	10%	<5%	<5%	<5%	<5%	10%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%
Temperature (°C)	5°	4°	4°	4°	3°	3°	2°	1°	1°	1°	1°	0°	0°	0°	0°	-1°	-2°	-2°	-3°	-3°	-3°	-3°	-3°	-4°
Feels like temperature (°C)	4°	3°	3°	2°	1°	0°	-1°	-2°	-2°	-2°	-2°	-3°	-3°	-3°	-3°	-4°	-5°	-5°	-5°	-5°	-5°	-5°	-6°	-6°
Wind direction and speed (mph)	NW 3	NW 3	NNW 4	NNW 5	N 6	NNW 6	NNW 6	NNW 6	NNW 6	NNW 6	NNW 6	NNW 6	NNW 6	NNW 6	NNW 6	NNW 6	NNW 6	NNW 5	NNW 4	NNW 3	NNW 3	NNW 3	NW 3	NW 3
Wind gust (mph)	7	8	12	16	17	18	17	16	17	17	19	19	20	21	20	19	17	15	14	13	13	13	13	12
Visibility (description)	G	M	M	P	VP	P	M	M	M	M	G	G	G	G	G	G	G	G	G	G	G	G	G	G
Humidity	87%	90%	95%	97%	100%	93%	87%	85%	84%	79%	75%	73%	70%	71%	67%	67%	67%	67%	67%	66%	68%	68%	67%	67%
UV	-	-	-	-	-	-	-	-	1	1	2	2	2	2	1	1	-	-	-	-	-	-	-	-

Wednesday (20 January 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%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	<5%	10%	10%	20%	30%	50%
Temperature (°C)	-4°	-4°	-4°	-4°	-4°	-4°	-4°	-4°	-3°	-3°	-2°	-1°	-1°	0°	0°	0°	0°	-1°	-2°	-2°	-2°	-2°	-3°	-3°
Feels like temperature (°C)	-6°	-6°	-6°	-6°	-6°	-6°	-6°	-6°	-5°	-5°	-4°	-3°	-3°	-2°	-2°	-2°	-3°	-4°	-4°	-4°	-4°	-5°	-5°	-5°
Wind direction and speed (mph)	NW 3	NW 3	NW 3	NW 3	NW 3	NW 3	NW 3	NW 3	NW 3	NW 3	NW 3	NW 3	NNW 3	NNW 4	NNW 4	N 4	N 5	N 5	N 4	N 3	NNW 3	NNW 3	NNW 3	NW 3
Wind gust (mph)	12	12	12	12	12	11	11	11	12	11	12	13	13	14	17	17	15	13	11	9	10	10	10	10
Visibility (description)	G	G	G	G	G	G	G	G	G	G	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	VG	M
Humidity	65%	64%	64%	64%	65%	63%	63%	62%	59%	55%	44%	42%	42%	41%	40%	41%	42%	51%	58%	64%	66%	67%	71%	76%
UV	-	-	-	-	-	-	-	-	1	2	3	3	3	3	2	1	-	-	-	-	-	-	-	-

Thursday (21 January 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	60%	70%	60%	70%	70%	60%	60%	70%	70%	50%	30%	20%	10%	10%	20%	20%	20%	30%	50%	50%	40%	30%	30%	20%
Temperature (°C)	-3°	-4°	-4°	-4°	-4°	-5°	-5°	-5°	-5°	-5°	-4°	-4°	-3°	-3°	-3°	-3°	-3°	-5°	-5°	-5°	-6°	-6°	-6°	-7°
Feels like temperature (°C)	-6°	-6°	-6°	-6°	-6°	-7°	-7°	-7°	-7°	-7°	-6°	-6°	-6°	-5°	-5°	-5°	-5°	-7°	-7°	-7°	-8°	-8°	-8°	-9°
Wind direction and speed (mph)	NNW 3	NW 3	NW 3	NW 3	NW 3	NW 3	NW 3	NW 3	NW 2	NW 2	NW 3	NW 3	NW 4	NNW 3	NW 3	NW 3	NW 3	NW 2	NW 2	NW 2	NW 2	WNW 2	WNW 3	WNW 2
Wind gust (mph)	11	11	11	11	10	9	8	8	8	8	10	12	14	13	13	12	9	7	6	6	6	6	6	5
Visibility (description)	P	P	P	P	P	P	P	P	P	P	M	G	G	G	M	G	G	M	M	P	P	M	M	M
Humidity	90%	96%	97%	94%	96%	92%	97%	99%	99%	88%	80%	72%	70%	72%	67%	72%	75%	90%	96%	100%	101%	101%	100%	100%
UV	-	-	-	-	-	-	-	-	1	1	2	2	2	3	1	1	-	-	-	-	-	-	-	-

Friday (22 January 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%	<5%	10%	<5%	10%	20%	20%	10%	<5%	<5%	10%	10%	10%	<5%	10%	10%	10%	30%	30%	30%	30%	40%	30%	30%
Temperature (°C)	-8°	-9°	-10°	-9°	-9°	-9°	-8°	-9°	-7°	-5°	-3°	-2°	-1°	-1°	0°	0°	-1°	-2°	-3°	-3°	-4°	-4°	-4°	-5°
Feels like temperature (°C)	-11°	-11°	-13°	-12°	-12°	-12°	-11°	-12°	-10°	-7°	-5°	-4°	-3°	-2°	-1°	-2°	-2°	-4°	-4°	-5°	-6°	-6°	-6°	-7°
Wind direction and speed (mph)	W 3	W 3	W 3	W 3	WSW 3	WSW 3	WSW 3	WSW 3	WSW 3	WSW 3	WSW 2	WSW 1	W 1	NW 2	NNW 2	NNW 2	NNW 2	NNW 2	NNW 2	NW 2	NW 2	NW 2	WNW 2	WNW 2
Wind gust (mph)	6	6	6	6	6	6	7	7	7	8	7	4	5	6	9	8	7	6	6	6	6	5	5	5
Visibility (description)	G	G	G	G	G	G	G	G	G	G	VG	VG	VG	VG	VG	VG	VG	G	G	G	G	P	M	M
Humidity	101%	101%	102%	100%	100%	101%	100%	101%	98%	91%	78%	72%	67%	63%	59%	64%	69%	86%	95%	97%	98%	98%	98%	99%
UV	-	-	-	-	-	-	-	-	1	2	3	3	4	3	1	1	-	-	-	-	-	-	-	-

Saturday (23 January 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	20%	20%	30%	30%	20%	30%	30%	30%	30%	30%	20%	20%	50%	70%
Temperature (°C)	-5°	-5°	-6°	-7°	-6°	-6°	-6°	-8°	-6°	-4°	-1°	0°	-3°	-4°
Feels like temperature (°C)	-7°	-7°	-8°	-9°	-9°	-8°	-8°	-10°	-8°	-6°	-2°	-2°	-5°	-6°
Wind direction and speed (mph)	WNW 2	WNW 2	WNW 2	W 2	W 2	W 2	W 2	WSW 2	WSW 3	WSW 2	NW 3	NW 3	NW 3	NW 3
Wind gust (mph)	5	5	5	5	5	5	5	6	6	8	10	11	7	7
Visibility (description)	M	M	M	M	M	M	M	M	M	M	G	G	M	P
Humidity	100%	99%	101%	101%	101%	100%	101%	102%	100%	97%	67%	67%	96%	102%
UV	-	-	-	-	-	-	-	-	1	2	2	1	-	-

Sunday (24 January 2026)

Time	00:00	03:00	06:00	09:00	12:00	15:00	18:00	21:00
Weather symbols
Chance of precipitation	80%	80%	80%	50%	30%	50%	90%	90%
Temperature (°C)	-4°	-4°	-5°	-4°	-3°	-3°	-5°	-6°
Feels like temperature (°C)	-6°	-6°	-8°	-6°	-6°	-5°	-7°	-8°
Wind direction and speed (mph)	NW 3	NW 3	WNW 3	WNW 3	NW 3	NW 3	NW 3	WNW 3
Wind gust (mph)	7	8	10	11	13	13	9	8
Visibility (description)	P	VP	VP	P	M	M	P	VP
Humidity	104%	105%	105%	96%	83%	78%	100%	103%
UV	-	-	-	1	3	1	-	-

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Forecast

Forecast for 4pm (UTC+9) Monday

Updated 00:25 (UTC) on Mon 19 Jan 2026

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Nagano (Japan) weather

Find a forecast

Forecast days

Today

Today

Tue 20 Jan

Tue 20 Jan

Wed 21 Jan

Wed 21 Jan

Thu 22 Jan

Thu 22 Jan

Fri 23 Jan

Fri 23 Jan

Sat 24 Jan

Sat 24 Jan

Sun 25 Jan

Sun 25 Jan

7 day forecast for Nagano

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