Hour-by-hour Forecast in Nagano — Graph
Detailed Hourly Forecast — Next 24 hours
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| Conditions | Comfort | Precipitation | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Feels Like | Wind | Humidity | Chance | Amount | ||
| 12:00 am Sun, Dec 14 |  | 31 °F | Light snow. Cloudy. | 27 °F | 4 mph | ↑ | 79% | 22% | 0.04" (snow) 0.00" (rain) |
| 1:00 am | | 31 °F | Light snow. Cloudy. | 28 °F | 3 mph | ↑ | 81% | 22% | 0.04" (snow) 0.00" (rain) |
| 2:00 am | | 30 °F | Light snow. Cloudy. | 27 °F | 3 mph | ↑ | 87% | 21% | 0.04" (snow) 0.00" (rain) |
| 3:00 am | | 31 °F | Light snow. Overcast. | 28 °F | 3 mph | ↑ | 91% | 21% | 0.04" (snow) 0.00" (rain) |
| 4:00 am | | 31 °F | Light snow. Overcast. | 27 °F | 4 mph | ↑ | 94% | 30% | 0.04" (snow) 0.00" (rain) |
| 5:00 am | | 31 °F | Light snow. Overcast. | 26 °F | 5 mph | ↑ | 96% | 49% | 0.07" (snow) 0.00" (rain) |
| 6:00 am |  | 31 °F | Icy mix. Overcast. | 25 °F | 6 mph | ↑ | 98% | 66% | 0.00" (snow) 0.01" (rain) |
| 7:00 am | | 32 °F | Icy mix. Overcast. | 26 °F | 6 mph | ↑ | 98% | 69% | 0.00" (snow) 0.02" (rain) |
| 8:00 am |  | 34 °F | Light snow. Overcast. | 29 °F | 5 mph | ↑ | 98% | 72% | 0.30" (snow) 0.00" (rain) |
| 9:00 am |  | 36 °F | Light rain. Overcast. | 32 °F | 5 mph | ↑ | 94% | 75% | 0.00" (snow) 0.04" (rain) |
| 10:00 am | | 38 °F | Light rain. Overcast. | 35 °F | 4 mph | ↑ | 91% | 74% | 0.00" (snow) 0.03" (rain) |
| 11:00 am | | 39 °F | Light rain. Overcast. | 36 °F | 4 mph | ↑ | 90% | 71% | 0.00" (snow) 0.02" (rain) |
| 12:00 pm | | 40 °F | Sprinkles. Overcast. | 38 °F | 3 mph | ↑ | 89% | 67% | 0.00" (snow) 0.02" (rain) |
| 1:00 pm | | 40 °F | Sprinkles. Overcast. | 40 °F | 2 mph | ↑ | 89% | 65% | 0.00" (snow) 0.02" (rain) |
| 2:00 pm | | 41 °F | Sprinkles. Overcast. | 41 °F | 1 mph | ↑ | 89% | 64% | 0.00" (snow) 0.01" (rain) |
| 3:00 pm | | 41 °F | Sprinkles. Overcast. | 41 °F | 1 mph | ↑ | 88% | 64% | 0.00" (snow) 0.01" (rain) |
| 4:00 pm | | 40 °F | Sprinkles. Cloudy. | 40 °F | 1 mph | ↑ | 88% | 60% | 0.00" (snow) 0.01" (rain) |
| 5:00 pm |  | 38 °F | Sprinkles. Broken clouds. | 38 °F | 2 mph | ↑ | 86% | 54% | 0.00" (snow) 0.01" (rain) |
| 6:00 pm | | 37 °F | Sprinkles. Partly cloudy. | 37 °F | 3 mph | ↑ | 84% | 49% | 0.00" (snow) 0.01" (rain) |
| 7:00 pm | | 35 °F | Light mixture of precip. Partly cloudy. | 35 °F | 3 mph | ↑ | 84% | 38% | 0.02" (snow) 0.00" (rain) |
| 8:00 pm | | 33 °F | Light snow. Partly cloudy. | 33 °F | 3 mph | ↑ | 85% | 28% | 0.04" (snow) 0.00" (rain) |
| 9:00 pm | | 31 °F | Light snow. Partly cloudy. | 31 °F | 3 mph | ↑ | 89% | 38% | 0.04" (snow) 0.00" (rain) |
| 10:00 pm | | 30 °F | Light snow. Broken clouds. | 30 °F | 2 mph | ↑ | 93% | 56% | 0.12" (snow) 0.00" (rain) |
| 11:00 pm | | 30 °F | Light snow. Cloudy. | 30 °F | 2 mph | ↑ | 95% | 56% | 0.21" (snow) 0.00" (rain) |
| * Updated Saturday, December 13, 2025 4:42:35 pm Nagano time - Weather by CustomWeather, © 2025 | |||||||||