State weather
New Hampshire weather
Forecasts for 7 cities in New Hampshire with 20,000+ residents from the National Weather Service. No NWS alerts are active in New Hampshire.
City forecasts: snapshot of Oct 28, 2:31 AM EDT Alerts updated Oct 28, 2:15 AM EDT
| City | County | Observed | Forecast | Population |
|---|---|---|---|---|
| Manchester | Hillsborough County | 30°F · Clear | Overnight: Mostly Clear, low 30°F | 116,386 |
| Nashua | Hillsborough County | 27°F · Clear | Overnight: Mostly Clear, low 26°F | 91,851 |
| Concord | Merrimack County | 27°F · Clear | Overnight: Mostly Clear, low 22°F | 44,674 |
| Dover | Strafford County | 30°F · Clear | Overnight: Mostly Clear, low 25°F | 33,909 |
| Rochester | Strafford County | 30°F · Clear | Overnight: Mostly Clear, low 25°F | 33,598 |
| Keene | Cheshire County | 25°F · Clear | Overnight: Partly Cloudy, low 25°F | 23,036 |
| Portsmouth | Rockingham County | 30°F · Clear | Tonight: Mostly Clear, low 26°F | 22,938 |
Observed temperatures come from the NWS station nearest each city at the time of the snapshot. Open a city for current conditions, the next 24 hours and the 7-day forecast, loaded live from api.weather.gov.
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Active alerts in New Hampshire
No National Weather Service alerts are active in New Hampshire right now.
For official warnings, check weather.gov and your local authorities. OpenForecast repeats National Weather Service alerts and may be delayed or incomplete. Follow instructions from emergency officials.
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Sources
- Forecasts, observations and alerts: National Weather Service API (api.weather.gov/alerts/active?area=NH).
- Cities and population: U.S. Census Bureau, Vintage 2024 population estimates.
- These agencies do not endorse OpenForecast.