New London, NH Weather & Growing Conditions
Tonight
41°F
Partly Cloudy
Partly cloudy, with a low around 41. South wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 41°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 53°F | Rain | 0 mph | 100% |
| Sunday Night | 43°F | Rain | 0 to 5 mph NE | 78% |
| Monday | 64°F | Patchy Fog then Mostly Sunny | 5 mph N | 0% |
| Monday Night | 40°F | Mostly Cloudy | 0 to 5 mph N | 0% |
| Tuesday | 63°F | Partly Sunny | 0 to 5 mph NE | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 0 mph | 1% |
| Wednesday | 63°F | Mostly Sunny | 0 to 5 mph E | 1% |
| Wednesday Night | 39°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Thursday | 63°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph NE | 16% |
| Thursday Night | 41°F | Chance Rain Showers | 0 to 5 mph NE | 30% |
| Friday | 62°F | Chance Rain Showers | 5 mph N | 33% |
| Friday Night | 44°F | Chance Rain Showers | 5 to 10 mph N | 36% |
| Saturday | 64°F | Chance Rain Showers | 5 to 10 mph N | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New London, NH
Last spring frost
May 21
First fall frost
Sep 26
Growing season
127 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, Grafton, Nh (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.