New London, WI Weather & Growing Conditions
Tonight
59°F
Rain Showers
Rain showers and patchy fog. Cloudy, with a low around 59. South southeast wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Rain Showers | 9 mph SSE | 89% |
| Wednesday | 64°F | Rain Showers | 8 to 14 mph S | 91% |
| Wednesday Night | 47°F | Rain Showers Likely | 12 mph SW | 69% |
| Thursday | 54°F | Rain Showers | 8 to 12 mph WNW | 88% |
| Thursday Night | 38°F | Chance Rain Showers then Mostly Cloudy | 13 mph N | 37% |
| Friday | 47°F | Partly Sunny | 6 to 14 mph N | 11% |
| Friday Night | 30°F | Partly Cloudy | 2 mph N | 2% |
| Saturday | 50°F | Mostly Sunny | 0 to 3 mph W | 0% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph WSW | 11% |
| Sunday | 56°F | Mostly Sunny | 5 to 9 mph W | 13% |
| Sunday Night | 34°F | Mostly Clear | 6 mph W | 3% |
| Monday | 58°F | Mostly Sunny | 3 to 9 mph SW | 1% |
| Monday Night | 39°F | Partly Cloudy | 7 mph W | 0% |
| Tuesday | 57°F | Sunny | 8 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for New London, WI
Last spring frost
May 4
First fall frost
Oct 6
Growing season
153 days
Hardiness zone
5a
Explore more for New London, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, New London, Wi (4.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.