New London, NH Weather & Growing Conditions
Today
75°F
Mostly Sunny
Mostly sunny. High near 75, with temperatures falling to around 66 in the afternoon. Southwest wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny | 0 to 5 mph SW | 2% |
| Tonight | 51°F | Partly Cloudy | 0 mph | 2% |
| Thursday | 70°F | Light Rain Likely | 0 to 5 mph SW | 68% |
| Thursday Night | 55°F | Chance Light Rain | 0 to 5 mph SW | 33% |
| Friday | 69°F | Chance Light Rain | 0 mph | 47% |
| Friday Night | 49°F | Light Rain Likely | 0 mph | 72% |
| Saturday | 62°F | Light Rain Likely | 0 to 5 mph N | 58% |
| Saturday Night | 40°F | Chance Light Rain | 0 to 5 mph NW | 39% |
| Sunday | 56°F | Chance Light Rain then Partly Sunny | 5 mph NW | 32% |
| Sunday Night | 33°F | Partly Cloudy | 0 to 5 mph W | 12% |
| Monday | 52°F | Slight Chance Light Rain | 5 to 10 mph W | 21% |
| Monday Night | 29°F | Slight Chance Light Rain then Partly Cloudy | 5 mph W | 15% |
| Tuesday | 55°F | Mostly Sunny | 5 to 10 mph W | 7% |
| Tuesday Night | 29°F | Partly Cloudy | 5 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New London, NH
Last spring frost
May 2
First fall frost
Oct 9
Growing season
158 days
Hardiness zone
5b
Explore more for New London, NH: full frost dates · planting calendar · New Hampshire frost dates
Climate data from the nearest NOAA station, Mt Sunapee, Nh (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.