🇯🇵 Weather in Nagano
Map Overlays:
Hourly Forecast for Nagano
05:00
12°
0%
06:00
17°
0%
07:00
19°
0%
08:00
21°
0%
09:00
22°
84%
10:00
23°
66%
11:00
24°
72%
12:00
25°
100%
13:00
25°
100%
14:00
25°
100%
15:00
25°
100%
16:00
23°
100%
17:00
21°
100%
18:00
19°
100%
19:00
16°
70%
20:00
15°
0%
21:00
15°
0%
22:00
15°
0%
23:00
15°
0%
00:00
14°
0%
01:00
14°
0%
02:00
13°
0%
03:00
12°
0%
04:00
12°
0%
14-Day Forecast for Nagano
2026-05-26
Patchy rain nearby
25° /
12°
2026-05-27
Partly Cloudy
28° /
12°
2026-05-28
Patchy rain nearby
23° /
13°
2026-05-29
Moderate rain
25° /
7°
2026-05-30
Sunny
22° /
5°
2026-05-31
Sunny
26° /
6°
2026-06-01
Sunny
28° /
9°
Additional Forecasts for Nagano
Air Quality
💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 190.8 μg/m³
O₃ (Ozone) 96.0 μg/m³
NO₂ (Nitrogen Dioxide) 6.7 μg/m³
SO₂ (Sulphur Dioxide) 3.0 μg/m³
PM2.5 (Fine particles) 13.7 μg/m³
PM10 (Coarse particles) 20.1 μg/m³