Hanover, NH Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hanover, a community in Windsor County, New Hampshire.
Today
83°F
Sunny
Sunny, with a high near 83. West wind 2 to 7 mph.
7-day forecast for Hanover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Sunny | 2 to 7 mph W | 0% |
| Tonight | 57°F | Mostly Clear then Areas Of Fog | 1 to 6 mph S | 0% |
| Wednesday | 86°F | Areas Of Fog then Partly Sunny | 1 to 5 mph SW | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 0 to 3 mph SW | 8% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 0 to 3 mph S | 40% |
| Thursday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SW | 35% |
| Friday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 28% |
| Friday Night | 66°F | Chance Showers And Thunderstorms | 0 to 3 mph W | 26% |
| Saturday | 86°F | Slight Chance Showers And Thunderstorms | 0 to 3 mph W | 49% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 mph W | 43% |
| Sunday | 88°F | Mostly Sunny | 0 to 5 mph W | 10% |
| Sunday Night | 65°F | Mostly Clear | 3 mph SW | 14% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 8 mph SW | 34% |
| Monday Night | 62°F | Chance Showers And Thunderstorms | 1 to 6 mph W | 33% |
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 Aug 4, 2026.