Hanover, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hanover, a community in Windsor County, New Hampshire.
This Afternoon
64°F
Cloudy
Cloudy, with a high near 64. South wind around 2 mph.
7-day forecast for Hanover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 64°F | Cloudy | 2 mph S | 12% |
| Tonight | 47°F | Mostly Cloudy | 1 mph S | 6% |
| Wednesday | 74°F | Partly Sunny | 3 mph SW | 4% |
| Wednesday Night | 51°F | Partly Cloudy | 2 mph S | 1% |
| Thursday | 68°F | Light Rain Likely | 2 to 6 mph S | 74% |
| Thursday Night | 55°F | Scattered Rain Showers | 3 mph SW | 35% |
| Friday | 66°F | Chance Light Rain | 1 mph W | 51% |
| Friday Night | 50°F | Light Rain Likely | 1 mph N | 71% |
| Saturday | 61°F | Light Rain Likely | 2 mph NW | 68% |
| Saturday Night | 41°F | Light Rain Likely | 2 mph W | 56% |
| Sunday | 55°F | Chance Light Rain | 2 to 6 mph W | 28% |
| Sunday Night | 33°F | Mostly Cloudy | 2 mph W | 11% |
| Monday | 53°F | Chance Light Rain | 2 to 8 mph NW | 26% |
| Monday Night | 31°F | Slight Chance Light Rain | 5 mph W | 24% |
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 Nov 4, 2026.