Dover, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dover, a city in Strafford County, New Hampshire.
Today
76°F
Mostly Sunny
Mostly sunny. High near 76, with temperatures falling to around 69 in the afternoon. Southwest wind around 5 mph.
7-day forecast for Dover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 5 mph SW | 3% |
| Tonight | 55°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 74°F | Mostly Cloudy then Chance Light Rain | 5 to 10 mph SW | 41% |
| Thursday Night | 60°F | Mostly Cloudy then Chance Light Rain | 5 to 10 mph SW | 31% |
| Friday | 71°F | Light Rain | 0 to 5 mph S | 75% |
| Friday Night | 54°F | Light Rain | 0 to 5 mph E | 92% |
| Saturday | 63°F | Light Rain | 5 mph N | 78% |
| Saturday Night | 43°F | Chance Light Rain | 5 mph N | 36% |
| Sunday | 57°F | Chance Light Rain | 5 to 10 mph NW | 31% |
| Sunday Night | 35°F | Partly Cloudy | 5 mph W | 8% |
| Monday | 55°F | Mostly Sunny then Slight Chance Light Rain | 5 to 15 mph W | 15% |
| Monday Night | 32°F | Partly Cloudy | 5 mph W | 14% |
| Tuesday | 57°F | Mostly Sunny | 5 to 15 mph W | 8% |
| Tuesday Night | 31°F | Partly Cloudy | 5 to 10 mph W | 8% |
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 Nov 4, 2026.