New London, NH Weather & Growing Conditions
Tonight
44°F
Mostly Clear
Mostly clear, with a low around 44. Southeast wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 44°F | Mostly Clear | 0 to 5 mph SE | 0% |
| Sunday | 52°F | Rain | 0 to 5 mph E | 100% |
| Sunday Night | 44°F | Rain | 0 to 5 mph NE | 78% |
| Monday | 62°F | Patchy Fog then Mostly Sunny | 5 mph N | 0% |
| Monday Night | 39°F | Mostly Cloudy | 5 mph N | 0% |
| Tuesday | 60°F | Partly Sunny | 5 mph NE | 0% |
| Tuesday Night | 40°F | Partly Cloudy | 0 to 5 mph NE | 1% |
| Wednesday | 61°F | Mostly Sunny | 5 to 10 mph E | 1% |
| Wednesday Night | 39°F | Partly Cloudy | 0 to 5 mph E | 3% |
| Thursday | 60°F | Mostly Sunny then Slight Chance Rain Showers | 5 mph NE | 16% |
| Thursday Night | 42°F | Chance Rain Showers | 0 to 5 mph NE | 32% |
| Friday | 60°F | Chance Rain Showers | 5 mph N | 33% |
| Friday Night | 44°F | Chance Rain Showers | 5 to 10 mph N | 37% |
| Saturday | 62°F | Chance Rain Showers | 10 mph N | 36% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New London, NH
Last spring frost
May 14
First fall frost
Oct 1
Growing season
140 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, Newport, Nh (6.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.