Clam Lake, WI Weather & Growing Conditions
Today
75°F
Slight Chance Rain Showers then Partly Sunny
A slight chance of rain showers before 9am. Partly sunny. High near 75, with temperatures falling to around 73 in the afternoon. Northwest wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Slight Chance Rain Showers then Partly Sunny | 5 mph NW | 16% |
| Tonight | 50°F | Partly Cloudy | 0 to 5 mph NW | 3% |
| Wednesday | 76°F | Sunny | 0 to 5 mph W | 0% |
| Wednesday Night | 53°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Thursday | 81°F | Sunny | 5 to 10 mph SW | 2% |
| Thursday Night | 60°F | Mostly Clear | 5 to 10 mph SW | 5% |
| Friday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 17% |
| Friday Night | 59°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 24% |
| Saturday | 81°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 22% |
| Saturday Night | 58°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 0 to 5 mph W | 50% |
| Sunday | 78°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 43% |
| Sunday Night | 56°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 24% |
| Monday | 78°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 22% |
| Monday Night | 55°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 21% |
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 Aug 4, 2026.