Londonderry, NH Weather & Growing Conditions
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. Southwest wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 5 mph SW | 2% |
| Wednesday | 76°F | Mostly Sunny | 5 mph SW | 3% |
| Wednesday Night | 56°F | Partly Cloudy | 5 mph SW | 2% |
| Thursday | 74°F | Mostly Cloudy then Chance Light Rain | 5 to 10 mph SW | 36% |
| Thursday Night | 60°F | Chance Light Rain | 5 mph SW | 42% |
| Friday | 70°F | Light Rain | 0 mph | 78% |
| Friday Night | 54°F | Light Rain | 0 mph | 90% |
| Saturday | 64°F | Light Rain Likely | 5 mph N | 73% |
| Saturday Night | 43°F | Chance Light Rain | 5 mph NW | 33% |
| Sunday | 59°F | Chance Light Rain then Mostly Sunny | 5 mph NW | 28% |
| Sunday Night | 36°F | Partly Cloudy | 5 mph W | 6% |
| Monday | 55°F | Mostly Sunny | 5 to 10 mph W | 14% |
| Monday Night | 34°F | Partly Cloudy | 5 mph W | 12% |
| Tuesday | 57°F | Mostly Sunny | 5 to 10 mph SW | 8% |
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 Nov 4, 2026.