New London, WI Weather & Growing Conditions
Today
63°F
Rain Showers Likely
Rain showers likely before 1pm, then showers and thunderstorms likely. Cloudy, with a high near 63. East wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 63°F | Rain Showers Likely | 9 mph E | 70% |
| Tonight | 52°F | Showers And Thunderstorms Likely | 8 mph NE | 63% |
| Sunday | 67°F | Mostly Sunny | 8 to 13 mph NE | 5% |
| Sunday Night | 47°F | Mostly Cloudy | 8 to 12 mph NE | 1% |
| Monday | 61°F | Mostly Cloudy | 8 to 12 mph NE | 1% |
| Monday Night | 43°F | Mostly Cloudy | 8 mph NE | 1% |
| Tuesday | 62°F | Mostly Sunny | 6 to 10 mph NE | 1% |
| Tuesday Night | 43°F | Mostly Clear | 3 to 7 mph NE | 2% |
| Wednesday | 65°F | Sunny | 3 to 8 mph NE | 2% |
| Wednesday Night | 45°F | Mostly Clear then Patchy Fog | 5 mph NE | 1% |
| Thursday | 67°F | Mostly Sunny | 5 mph NE | 3% |
| Thursday Night | 47°F | Partly Cloudy | 0 to 3 mph NE | 2% |
| Friday | 71°F | Mostly Sunny | 3 mph ENE | 3% |
| Friday Night | 47°F | Partly Cloudy | 2 mph ENE | 3% |
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 Sep 19, 2026.