Littleton, NH Weather & Growing Conditions
Today
70°F
Partly Sunny
Partly sunny. High near 70, with temperatures falling to around 63 in the afternoon. South wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 70°F | Partly Sunny | 0 to 5 mph S | 3% |
| Tonight | 49°F | Mostly Cloudy | 0 to 5 mph S | 2% |
| Thursday | 64°F | Light Rain | 5 mph S | 78% |
| Thursday Night | 51°F | Light Rain | 0 to 5 mph SW | 82% |
| Friday | 63°F | Chance Light Rain then Mostly Cloudy | 0 mph | 32% |
| Friday Night | 47°F | Chance Light Rain | 0 mph | 54% |
| Saturday | 57°F | Chance Light Rain | 0 mph | 46% |
| Saturday Night | 38°F | Chance Light Rain | 0 to 5 mph N | 53% |
| Sunday | 49°F | Chance Light Rain | 5 mph NW | 39% |
| Sunday Night | 32°F | Mostly Cloudy then Slight Chance Light Rain | 0 to 5 mph W | 22% |
| Monday | 44°F | Chance Light Rain | 5 mph W | 31% |
| Monday Night | 27°F | Slight Chance Light Rain then Mostly Cloudy | 5 mph W | 22% |
| Tuesday | 48°F | Partly Sunny then Chance Light Rain | 5 mph SW | 26% |
| Tuesday Night | 27°F | Chance Light Rain | 5 mph W | 27% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Littleton, NH
Last spring frost
May 24
First fall frost
Sep 18
Growing season
116 days
Hardiness zone
4b
Explore more for Littleton, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Bethlehem 2, Nh (7.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.