Hanover, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hanover, a community in Windsor County, New Hampshire.
Tonight
42°F
Partly Cloudy
Partly cloudy, with a low around 42. Northeast wind around 2 mph.
7-day forecast for Hanover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Partly Cloudy | 2 mph NE | 0% |
| Saturday | 66°F | Patchy Fog then Sunny | 1 to 7 mph N | 0% |
| Saturday Night | 43°F | Mostly Cloudy | 0 to 3 mph SE | 0% |
| Sunday | 60°F | Rain Showers | 5 mph SE | 90% |
| Sunday Night | 47°F | Rain Showers then Mostly Cloudy | 0 to 3 mph NE | 80% |
| Monday | 64°F | Mostly Sunny | 6 mph N | 1% |
| Monday Night | 42°F | Partly Cloudy | 1 to 5 mph N | 1% |
| Tuesday | 64°F | Partly Sunny | 3 mph NE | 1% |
| Tuesday Night | 41°F | Mostly Cloudy | 0 to 3 mph NE | 2% |
| Wednesday | 63°F | Mostly Sunny | 1 to 6 mph NE | 3% |
| Wednesday Night | 41°F | Mostly Cloudy | 0 to 3 mph E | 9% |
| Thursday | 61°F | Slight Chance Rain Showers | 3 mph E | 20% |
| Thursday Night | 45°F | Chance Rain Showers | 2 mph NE | 29% |
| Friday | 67°F | Chance Rain Showers | 3 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov) for Hanover (43.712, -72.273). Updated through the day.
Growing snapshot for Hanover
Last spring frost
May 1
First fall frost
Oct 13
Growing season
162 days
Hardiness zone
5a
More local growing data for Hanover: nearby ZIP 05088 weather · frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Hanover, Nh (2.3 mi from Hanover). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.