Clam Lake, WI Weather & Growing Conditions
Today
59°F
Light Rain
Rain and patchy fog. Cloudy. High near 59, with temperatures falling to around 55 in the afternoon. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 59°F | Light Rain | 5 mph SE | 80% |
| Tonight | 39°F | Light Rain | 5 to 10 mph W | 87% |
| Thursday | 44°F | Light Rain | 10 to 15 mph N | 76% |
| Thursday Night | 25°F | Slight Chance Rain And Snow then Cloudy | 5 to 10 mph N | 20% |
| Friday | 42°F | Partly Sunny | 0 to 5 mph N | 2% |
| Friday Night | 21°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 44°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 27°F | Partly Cloudy | 0 to 5 mph W | 10% |
| Sunday | 50°F | Mostly Sunny | 5 mph W | 12% |
| Sunday Night | 28°F | Partly Cloudy | 0 to 5 mph SW | 3% |
| Monday | 55°F | Partly Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 31°F | Partly Cloudy | 0 to 5 mph W | 2% |
| Tuesday | 52°F | Mostly Sunny | 0 to 5 mph NW | 6% |
| Tuesday Night | 28°F | Mostly Cloudy | 0 mph | 7% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Clam Lake, WI
Last spring frost
May 16
First fall frost
Sep 30
Growing season
136 days
Hardiness zone
4a
Explore more for Clam Lake, WI: full frost dates · planting calendar · Wisconsin frost dates
Climate data from the nearest NOAA station, Clam Lake 4W, Wi (4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.