Nagano (Japan) weather
Find a forecast
Forecast days
-
Maximum daytime temperature: 31° Celsius; Minimum nighttime temperature: 23° Celsius;
Maximum daytime temperature: 31° Celsius; Minimum nighttime temperature: 23° Celsius; -
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 28° Celsius; Minimum nighttime temperature: 18° Celsius; -
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 18° Celsius; -
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 22° Celsius; Minimum nighttime temperature: 18° Celsius; -
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 18° Celsius;
Maximum daytime temperature: 24° Celsius; Minimum nighttime temperature: 18° Celsius;
-
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 16° Celsius;
Maximum daytime temperature: 23° Celsius; Minimum nighttime temperature: 16° Celsius;
Sunny.
Sunrise:
Sunset:
VH UV
No pollution data.
No pollen data.
6 day forecast for Nagano
Tomorrow (16 September 2025)
| 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%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
<5%
|
20%
|
10%
|
10%
|
20%
|
50%
|
30%
|
50%
|
30%
|
10%
|
10%
|
10%
|
<5%
|
10%
|
<5%
|
10%
|
| Temperature |
25°
|
24°
|
24°
|
24°
|
24°
|
23°
|
23°
|
24°
|
26°
|
27°
|
29°
|
29°
|
30°
|
31°
|
31°
|
31°
|
30°
|
29°
|
27°
|
26°
|
26°
|
25°
|
25°
|
25°
|
| Feels like temperature (°C) |
28°
|
28°
|
27°
|
27°
|
27°
|
26°
|
26°
|
27°
|
29°
|
30°
|
32°
|
33°
|
33°
|
34°
|
35°
|
34°
|
33°
|
32°
|
30°
|
30°
|
29°
|
29°
|
29°
|
28°
|
| Wind direction and speed |
S
3
|
S
3
|
S
3
|
S
3
|
SSW
3
|
SSW
3
|
SSW
3
|
SSW
3
|
SSW
2
|
SSW
2
|
SSW
1
|
SW
1
|
WSW
1
|
NW
1
|
NNW
2
|
N
3
|
N
3
|
N
5
|
N
5
|
N
4
|
N
3
|
NNW
2
|
NW
1
|
SW
1
|
| Wind gust (mph) |
6
|
6
|
6
|
6
|
7
|
7
|
7
|
8
|
8
|
7
|
5
|
4
|
4
|
5
|
6
|
11
|
12
|
11
|
11
|
9
|
6
|
5
|
4
|
4
|
| Visibility |
G
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
G
|
G
|
| Humidity |
91%
|
92%
|
95%
|
96%
|
97%
|
97%
|
96%
|
91%
|
82%
|
72%
|
65%
|
60%
|
56%
|
54%
|
55%
|
58%
|
62%
|
69%
|
78%
|
86%
|
89%
|
93%
|
95%
|
96%
|
| UV | - | - | - | - | - | - | 1 | 2 | 4 | 6 | 7 | 8 | 8 | 6 | 3 | 2 | 1 | - | - | - | - | - | - | - |
Thursday (17 September 2025)
| 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%
|
10%
|
10%
|
20%
|
40%
|
70%
|
80%
|
60%
|
70%
|
70%
|
70%
|
60%
|
70%
|
70%
|
60%
|
50%
|
40%
|
40%
|
30%
|
30%
|
| Temperature (°C) |
24°
|
24°
|
24°
|
23°
|
23°
|
23°
|
23°
|
24°
|
25°
|
26°
|
27°
|
27°
|
26°
|
25°
|
23°
|
23°
|
23°
|
22°
|
22°
|
21°
|
21°
|
20°
|
20°
|
20°
|
| Feels like temperature (°C) |
28°
|
27°
|
27°
|
27°
|
27°
|
26°
|
26°
|
27°
|
28°
|
29°
|
31°
|
31°
|
29°
|
27°
|
25°
|
25°
|
25°
|
24°
|
24°
|
23°
|
23°
|
22°
|
22°
|
21°
|
| Wind direction and speed (mph) |
SW
2
|
SW
2
|
WSW
2
|
SW
2
|
SW
2
|
SW
3
|
SSW
3
|
SSW
2
|
SSW
3
|
S
3
|
SSW
2
|
S
3
|
W
3
|
NNW
4
|
NNW
5
|
NNW
4
|
NNW
4
|
N
4
|
N
5
|
N
4
|
N
4
|
N
4
|
N
4
|
N
4
|
| Wind gust (mph) |
4
|
4
|
5
|
5
|
5
|
6
|
7
|
8
|
9
|
9
|
6
|
10
|
14
|
15
|
14
|
13
|
13
|
12
|
12
|
12
|
12
|
11
|
11
|
11
|
| Visibility (description) |
G
|
G
|
G
|
G
|
G
|
G
|
M
|
G
|
G
|
VG
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
| Humidity |
96%
|
96%
|
97%
|
97%
|
98%
|
98%
|
98%
|
96%
|
91%
|
85%
|
79%
|
81%
|
88%
|
90%
|
91%
|
91%
|
90%
|
92%
|
95%
|
95%
|
96%
|
96%
|
96%
|
96%
|
| UV | - | - | - | - | - | - | 1 | 2 | 3 | 5 | 6 | 1 | 4 | 2 | 2 | 1 | 1 | - | - | - | - | - | - | - |
Friday (18 September 2025)
| 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 |
20%
|
20%
|
20%
|
20%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
10%
|
30%
|
30%
|
30%
|
20%
|
30%
|
30%
|
30%
|
30%
|
30%
|
| Temperature (°C) |
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
18°
|
18°
|
19°
|
20°
|
21°
|
22°
|
23°
|
24°
|
24°
|
24°
|
23°
|
22°
|
21°
|
21°
|
20°
|
20°
|
20°
|
19°
|
| Feels like temperature (°C) |
21°
|
21°
|
20°
|
20°
|
20°
|
20°
|
19°
|
19°
|
20°
|
21°
|
22°
|
23°
|
24°
|
25°
|
25°
|
25°
|
25°
|
24°
|
22°
|
22°
|
21°
|
21°
|
21°
|
21°
|
| Wind direction and speed (mph) |
N
3
|
N
3
|
N
3
|
N
3
|
NNE
3
|
NNE
3
|
NNE
3
|
NNE
3
|
NE
3
|
NE
3
|
ENE
3
|
E
3
|
E
3
|
E
3
|
E
4
|
E
4
|
ESE
4
|
ESE
4
|
ESE
4
|
SE
4
|
SE
4
|
SE
4
|
SE
4
|
SSE
3
|
| Wind gust (mph) |
10
|
10
|
10
|
9
|
8
|
8
|
8
|
9
|
10
|
10
|
11
|
11
|
14
|
14
|
14
|
14
|
13
|
11
|
11
|
10
|
10
|
10
|
10
|
10
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
VG
|
VG
|
VG
|
G
|
VG
|
G
|
G
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
95%
|
95%
|
96%
|
95%
|
94%
|
94%
|
94%
|
92%
|
86%
|
78%
|
71%
|
67%
|
66%
|
65%
|
65%
|
66%
|
72%
|
76%
|
79%
|
82%
|
85%
|
86%
|
89%
|
91%
|
| UV | - | - | - | - | - | - | 1 | 1 | 3 | 5 | 6 | 6 | 7 | 5 | 3 | 2 | 1 | - | - | - | - | - | - | - |
Saturday (19 September 2025)
| 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 |
30%
|
40%
|
40%
|
40%
|
40%
|
50%
|
50%
|
50%
|
60%
|
70%
|
60%
|
60%
|
50%
|
60%
|
40%
|
40%
|
40%
|
40%
|
40%
|
30%
|
30%
|
30%
|
20%
|
20%
|
| Temperature (°C) |
19°
|
19°
|
19°
|
18°
|
18°
|
18°
|
18°
|
18°
|
19°
|
19°
|
20°
|
20°
|
20°
|
21°
|
21°
|
21°
|
21°
|
20°
|
20°
|
20°
|
20°
|
19°
|
19°
|
19°
|
| Feels like temperature (°C) |
20°
|
20°
|
20°
|
19°
|
19°
|
19°
|
19°
|
19°
|
20°
|
20°
|
21°
|
22°
|
22°
|
22°
|
23°
|
23°
|
22°
|
22°
|
22°
|
21°
|
21°
|
21°
|
21°
|
21°
|
| Wind direction and speed (mph) |
SSE
3
|
SSE
3
|
SSE
3
|
SSE
3
|
SSE
3
|
SSE
3
|
SSE
3
|
SSE
3
|
SSE
3
|
SE
3
|
ESE
3
|
ESE
3
|
E
3
|
ESE
3
|
E
3
|
E
3
|
ENE
3
|
NE
3
|
NE
3
|
ENE
3
|
NE
3
|
NE
3
|
NNE
3
|
NNE
2
|
| Wind gust (mph) |
9
|
9
|
9
|
8
|
8
|
8
|
9
|
9
|
9
|
9
|
10
|
10
|
10
|
10
|
11
|
11
|
10
|
9
|
8
|
7
|
7
|
6
|
6
|
5
|
| Visibility (description) |
G
|
G
|
M
|
G
|
G
|
G
|
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
M
|
G
|
G
|
G
|
M
|
G
|
G
|
G
|
G
|
G
|
| Humidity |
92%
|
92%
|
93%
|
94%
|
95%
|
96%
|
96%
|
96%
|
95%
|
95%
|
95%
|
92%
|
92%
|
91%
|
89%
|
88%
|
90%
|
91%
|
94%
|
95%
|
96%
|
97%
|
97%
|
97%
|
| UV | - | - | - | - | - | - | - | 1 | 2 | 2 | 4 | 4 | 3 | 3 | 2 | 1 | 1 | - | - | - | - | - | - | - |
Sunday (20 September 2025)
| 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%
|
30%
|
20%
|
20%
|
20%
|
20%
|
10%
|
20%
|
30%
|
30%
|
40%
|
20%
|
20%
|
20%
|
| Temperature (°C) |
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
19°
|
20°
|
20°
|
22°
|
23°
|
20°
|
19°
|
| Feels like temperature (°C) |
21°
|
21°
|
21°
|
21°
|
21°
|
20°
|
20°
|
21°
|
21°
|
22°
|
23°
|
23°
|
21°
|
20°
|
| Wind direction and speed (mph) |
NNE
2
|
N
2
|
N
2
|
N
2
|
N
2
|
N
2
|
N
2
|
N
2
|
N
2
|
N
3
|
NNE
4
|
NNE
5
|
NNE
4
|
NNE
3
|
| Wind gust (mph) |
5
|
5
|
5
|
5
|
5
|
6
|
6
|
7
|
8
|
10
|
15
|
16
|
11
|
7
|
| Visibility (description) |
M
|
M
|
M
|
M
|
M
|
M
|
M
|
G
|
G
|
G
|
VG
|
VG
|
VG
|
G
|
| Humidity |
98%
|
98%
|
98%
|
98%
|
98%
|
98%
|
98%
|
96%
|
92%
|
88%
|
76%
|
70%
|
85%
|
93%
|
| UV | - | - | - | - | - | - | 1 | 1 | 3 | 5 | 6 | 2 | - | - |
Monday (21 September 2025)
| Time |
00:00
|
03:00
|
06:00
|
09:00
|
12:00
|
15:00
|
18:00
|
21:00
|
|---|---|---|---|---|---|---|---|---|
| Weather symbols | |
|
|
|
|
|
|
|
| Chance of precipitation |
40%
|
30%
|
20%
|
20%
|
40%
|
30%
|
20%
|
30%
|
| Temperature (°C) |
19°
|
18°
|
18°
|
19°
|
22°
|
22°
|
19°
|
18°
|
| Feels like temperature (°C) |
20°
|
20°
|
19°
|
20°
|
23°
|
22°
|
20°
|
19°
|
| Wind direction and speed (mph) |
NNE
3
|
N
2
|
NNE
2
|
NE
3
|
NNE
3
|
NNE
4
|
N
4
|
N
3
|
| Wind gust (mph) |
7
|
7
|
8
|
12
|
12
|
14
|
10
|
7
|
| Visibility (description) |
G
|
G
|
M
|
G
|
VG
|
G
|
VG
|
G
|
| Humidity |
95%
|
96%
|
97%
|
86%
|
71%
|
74%
|
85%
|
92%
|
| UV | - | - | - | 2 | 5 | 2 | - | - |
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Updated 13:28 (UTC+1) on Tue 16 Sep 2025
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