Londonderry, NH Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. West wind 0 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 0 to 10 mph W | 0% |
| Tonight | 60°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Wednesday | 85°F | Partly Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 66°F | Partly Cloudy | 0 to 5 mph SW | 7% |
| Thursday | 88°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 36% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms then Mostly Clear | 5 mph SW | 31% |
| Friday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph W | 29% |
| Friday Night | 68°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 28% |
| Saturday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph W | 47% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 42% |
| Sunday | 88°F | Sunny | 0 to 5 mph W | 11% |
| Sunday Night | 68°F | Mostly Clear | 5 mph W | 10% |
| Monday | 88°F | Sunny | 5 to 10 mph W | 14% |
| Monday Night | 66°F | Mostly Clear | 5 to 10 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Londonderry, NH
Last spring frost
May 3
First fall frost
Oct 8
Growing season
156 days
Hardiness zone
6a
Explore more for Londonderry, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Hudson 1 Sse, Nh (6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.