Dover, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dover, a city in Strafford County, New Hampshire.
Tonight
45°F
Partly Cloudy
Partly cloudy, with a low around 45. Northwest wind 5 to 10 mph.
7-day forecast for Dover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Partly Cloudy | 5 to 10 mph NW | 0% |
| Saturday | 66°F | Sunny | 0 to 10 mph NE | 0% |
| Saturday Night | 45°F | Partly Cloudy | 0 to 5 mph S | 0% |
| Sunday | 63°F | Rain Showers Likely | 0 to 5 mph S | 74% |
| Sunday Night | 50°F | Rain Showers | 0 to 5 mph NE | 80% |
| Monday | 67°F | Slight Chance Rain Showers then Mostly Sunny | 5 to 10 mph NE | 17% |
| Monday Night | 46°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Tuesday | 62°F | Partly Sunny | 5 to 10 mph NE | 3% |
| Tuesday Night | 45°F | Mostly Cloudy | 0 to 10 mph NE | 1% |
| Wednesday | 60°F | Mostly Sunny | 10 to 15 mph NE | 2% |
| Wednesday Night | 45°F | Mostly Cloudy | 5 to 10 mph NE | 8% |
| Thursday | 60°F | Chance Rain Showers | 5 to 10 mph NE | 27% |
| Thursday Night | 47°F | Chance Rain Showers | 0 to 10 mph NE | 27% |
| Friday | 65°F | Chance Rain Showers | 10 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov) for Dover (43.186, -70.884). Updated through the day.
Growing snapshot for Dover
Last spring frost
May 3
First fall frost
Oct 10
Growing season
158 days
Hardiness zone
6a
More local growing data for Dover: nearby ZIP 03820 weather · frost dates · planting calendar · New Hampshire frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Durham 2 N, Nh (2.4 mi from Dover). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.