Berlin, NH Weather & Growing Conditions
Tonight
37°F
Mostly Clear then Patchy Fog
Patchy fog between 4am and 5am, then areas of frost and patchy fog. Mostly clear, with a low around 37. Northwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 37°F | Mostly Clear then Patchy Fog | 0 to 5 mph NW | 0% |
| Saturday | 62°F | Areas Of Frost then Sunny | 0 to 5 mph N | 0% |
| Saturday Night | 38°F | Mostly Cloudy | 0 mph | 0% |
| Sunday | 60°F | Rain Showers Likely | 0 to 5 mph SE | 68% |
| Sunday Night | 40°F | Rain Showers Likely then Mostly Cloudy | 0 mph | 61% |
| Monday | 62°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Monday Night | 37°F | Mostly Cloudy | 0 to 5 mph N | 1% |
| Tuesday | 62°F | Partly Sunny | 0 to 5 mph NE | 1% |
| Tuesday Night | 37°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Wednesday | 63°F | Mostly Sunny | 0 to 5 mph E | 1% |
| Wednesday Night | 37°F | Partly Cloudy | 0 mph | 9% |
| Thursday | 63°F | Partly Sunny then Slight Chance Rain Showers | 0 mph | 18% |
| Thursday Night | 40°F | Chance Rain Showers | 0 mph | 25% |
| Friday | 65°F | Chance Rain Showers | 0 to 5 mph N | 25% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Berlin, NH
Last spring frost
May 14
First fall frost
Sep 30
Growing season
135 days
Hardiness zone
4b
Explore more for Berlin, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Berlin, Nh (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.