Weather Forecast for Nagano
Nagano, Japan
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Current Weather - Nagano: 16°C
Current Weather - Nagano: 16°C
Nagano, Japan
Moderate or heavy rain shower
Feels like 16°C
Wind
8 km/h N
Humidity
100%
Pressure
1012 mb
UV Index
0
Visibility
7 km
Light rain shower
Thursday, September 03, 2026
High
22°C
Low
16°C
Rain Chance
94%
Hourly Forecast
20°C
21°C
20°C
18°C
19°C
19°C
17°C
16°C
16°C
16°C
16°C
16°C
16°C
17°C
18°C
Day Statistics
Maximum Wind
7 km/h
Humidity
96%
Precipitation
19 mm
UV Index
8
Visibility
8 km
Rain Chance
94%
Snow Chance
0%
Sun & Moon
Sunrise
05:21 AM
Sunset
06:13 PM
Moonrise
09:11 PM
Moonset
11:18 AM
Moon Phase
Last Quarter
Moon Illumination
50%
Air Quality
PM2.5
11.5
μg/m³
PM10
12.1
μg/m³
NO₂
9.7
μg/m³
O₃
57.8
μg/m³
SO₂
2.6
μg/m³
CO
155.8
μg/m³
Light rain shower
Friday, September 04, 2026
High
18°C
Low
15°C
Rain Chance
89%
Hourly Forecast
18°C
18°C
18°C
18°C
17°C
17°C
16°C
15°C
15°C
15°C
16°C
16°C
16°C
16°C
16°C
16°C
15°C
17°C
18°C
18°C
18°C
17°C
17°C
17°C
Day Statistics
Maximum Wind
7 km/h
Humidity
96%
Precipitation
4 mm
UV Index
4
Visibility
5 km
Rain Chance
89%
Snow Chance
0%
Sun & Moon
Sunrise
05:22 AM
Sunset
06:12 PM
Moonrise
09:57 PM
Moonset
12:26 PM
Moon Phase
Last Quarter
Moon Illumination
39%
Air Quality
PM2.5
2.5
μg/m³
PM10
2.7
μg/m³
NO₂
8.1
μg/m³
O₃
48
μg/m³
SO₂
1.5
μg/m³
CO
144.3
μg/m³
Fog
Saturday, September 05, 2026
High
20°C
Low
13°C
Rain Chance
59%
Hourly Forecast
16°C
15°C
15°C
14°C
13°C
13°C
13°C
13°C
13°C
14°C
15°C
17°C
19°C
20°C
20°C
20°C
19°C
18°C
20°C
19°C
18°C
17°C
17°C
16°C
Day Statistics
Maximum Wind
8 km/h
Humidity
87%
Precipitation
1 mm
UV Index
5
Visibility
5 km
Rain Chance
59%
Snow Chance
0%
Sun & Moon
Sunrise
05:22 AM
Sunset
06:10 PM
Moonrise
10:53 PM
Moonset
01:32 PM
Moon Phase
Waning Crescent
Moon Illumination
29%
Air Quality
PM2.5
4.9
μg/m³
PM10
5.5
μg/m³
NO₂
7.1
μg/m³
O₃
67.5
μg/m³
SO₂
3.2
μg/m³
CO
143.6
μg/m³
Overcast
Sunday, September 06, 2026
High
19°C
Low
12°C
Rain Chance
71%
Hourly Forecast
14°C
13°C
13°C
14°C
14°C
13°C
12°C
13°C
14°C
15°C
15°C
17°C
18°C
19°C
19°C
17°C
16°C
14°C
13°C
13°C
13°C
13°C
12°C
12°C
Day Statistics
Maximum Wind
10 km/h
Humidity
82%
Precipitation
2 mm
UV Index
4
Visibility
9 km
Rain Chance
71%
Snow Chance
0%
Sun & Moon
Sunrise
05:23 AM
Sunset
06:09 PM
Moonrise
Does not rise today
Moonset
02:33 PM
Moon Phase
Waning Crescent
Moon Illumination
20%
Air Quality
PM2.5
5
μg/m³
PM10
5.5
μg/m³
NO₂
5
μg/m³
O₃
65.3
μg/m³
SO₂
2.5
μg/m³
CO
149.3
μg/m³
Moderate or heavy rain shower
Monday, September 07, 2026
High
19°C
Low
12°C
Rain Chance
94%
Hourly Forecast
12°C
12°C
12°C
12°C
12°C
12°C
12°C
12°C
13°C
13°C
13°C
13°C
14°C
14°C
14°C
16°C
14°C
14°C
14°C
15°C
16°C
13°C
18°C
19°C
Day Statistics
Maximum Wind
7 km/h
Humidity
97%
Precipitation
45 mm
UV Index
1
Visibility
7 km
Rain Chance
94%
Snow Chance
0%
Sun & Moon
Sunrise
05:24 AM
Sunset
06:07 PM
Moonrise
12:00 AM
Moonset
03:27 PM
Moon Phase
Waning Crescent
Moon Illumination
12%
Air Quality
PM2.5
1.5
μg/m³
PM10
1.6
μg/m³
NO₂
6.6
μg/m³
O₃
48.7
μg/m³
SO₂
1.5
μg/m³
CO
182.6
μg/m³
Light rain shower
Tuesday, September 08, 2026
High
20°C
Low
13°C
Rain Chance
95%
Hourly Forecast
14°C
19°C
20°C
13°C
13°C
13°C
13°C
14°C
14°C
15°C
15°C
14°C
14°C
14°C
15°C
15°C
15°C
16°C
16°C
16°C
17°C
17°C
18°C
18°C
Day Statistics
Maximum Wind
7 km/h
Humidity
98%
Precipitation
67 mm
UV Index
4
Visibility
6 km
Rain Chance
95%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
06:06 PM
Moonrise
01:13 AM
Moonset
04:11 PM
Moon Phase
Waning Crescent
Moon Illumination
6%
Fog
Wednesday, September 09, 2026
High
24°C
Low
18°C
Rain Chance
91%
Hourly Forecast
19°C
20°C
20°C
21°C
21°C
21°C
21°C
21°C
21°C
21°C
22°C
23°C
24°C
23°C
23°C
22°C
22°C
22°C
22°C
21°C
20°C
18°C
18°C
18°C
Day Statistics
Maximum Wind
9 km/h
Humidity
91%
Precipitation
16 mm
UV Index
5
Visibility
6 km
Rain Chance
91%
Snow Chance
0%
Sun & Moon
Sunrise
05:25 AM
Sunset
06:04 PM
Moonrise
02:30 AM
Moonset
04:49 PM
Moon Phase
New Moon
Moon Illumination
2%
Solar Radiation Data
Shortwave Radiation
13.34
Diffuse Radiation
11.03
DNI
0
GTI
0
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