Londonderry, NH Weather & Growing Conditions
Overnight
47°F
Partly Cloudy
Partly cloudy, with a low around 47. North wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 66°F | Sunny | 0 to 5 mph NE | 0% |
| Saturday Night | 45°F | Partly Cloudy | 0 to 5 mph SE | 0% |
| Sunday | 62°F | Rain Showers | 0 to 5 mph SE | 75% |
| Sunday Night | 50°F | Rain Showers | 0 to 5 mph NE | 79% |
| Monday | 65°F | Chance Rain Showers then Mostly Sunny | 5 mph NE | 26% |
| Monday Night | 47°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Tuesday | 60°F | Partly Sunny | 5 mph NE | 3% |
| Tuesday Night | 45°F | Mostly Cloudy | 0 to 5 mph NE | 1% |
| Wednesday | 59°F | Mostly Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 45°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph NE | 16% |
| Thursday | 58°F | Chance Rain Showers | 5 to 10 mph NE | 27% |
| Thursday Night | 46°F | Chance Rain Showers | 5 mph NE | 31% |
| Friday | 63°F | Chance Rain Showers | 5 mph N | 32% |
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 Sep 19, 2026.