Berlin, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Berlin, a city in Coos County, New Hampshire.
This Afternoon
61°F
Scattered Rain Showers
Scattered rain showers. Cloudy, with a high near 61. Southeast wind around 0 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Berlin
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 61°F | Scattered Rain Showers | 0 mph | 52% |
| Tonight | 48°F | Chance Light Rain then Mostly Cloudy | 0 mph | 53% |
| Wednesday | 71°F | Mostly Sunny | 0 to 5 mph W | 7% |
| Wednesday Night | 49°F | Mostly Cloudy | 0 mph | 6% |
| Thursday | 68°F | Chance Light Rain | 0 to 5 mph SW | 47% |
| Thursday Night | 51°F | Chance Light Rain | 0 mph | 45% |
| Friday | 64°F | Chance Light Rain | 0 mph | 46% |
| Friday Night | 45°F | Light Rain Likely | 0 mph | 71% |
| Saturday | 58°F | Light Rain Likely | 0 mph | 66% |
| Saturday Night | 39°F | Light Rain Likely | 0 mph | 61% |
| Sunday | 52°F | Chance Light Rain | 0 to 5 mph W | 31% |
| Sunday Night | 34°F | Slight Chance Light Rain | 0 mph | 21% |
| Monday | 50°F | Chance Light Rain | 0 to 5 mph W | 38% |
| Monday Night | 31°F | Chance Light Rain then Chance Rain And Snow | 0 to 5 mph W | 44% |
Forecast source: National Weather Service (api.weather.gov) for Berlin (44.484, -71.277). Updated through the day.
Growing snapshot for Berlin
Last spring frost
May 14
First fall frost
Sep 30
Growing season
135 days
Hardiness zone
4b
More local growing data for Berlin: nearby ZIP 03570 weather · frost dates · planting calendar · New Hampshire frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Berlin, Nh (4 mi from Berlin). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.