Karlstad, MN Weather & Growing Conditions
Tonight
52°F
Mostly Cloudy
Mostly cloudy, with a low around 52. South southeast wind 3 to 9 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Mostly Cloudy | 3 to 9 mph SSE | 5% |
| Saturday | 69°F | Mostly Cloudy | 2 to 14 mph WSW | 13% |
| Saturday Night | 47°F | Mostly Cloudy | 9 to 14 mph NNE | 0% |
| Sunday | 66°F | Partly Sunny | 9 to 13 mph ENE | 0% |
| Sunday Night | 42°F | Mostly Cloudy | 7 to 10 mph E | 0% |
| Monday | 68°F | Sunny | 6 to 10 mph SE | 0% |
| Monday Night | 41°F | Clear | 7 to 10 mph SE | 0% |
| Tuesday | 68°F | Sunny | 10 to 17 mph SSE | 0% |
| Tuesday Night | 45°F | Partly Cloudy | 14 mph SSE | 2% |
| Wednesday | 69°F | Partly Sunny | 15 to 20 mph SSE | 8% |
| Wednesday Night | 50°F | Mostly Cloudy | 16 mph SSE | 12% |
| Thursday | 72°F | Mostly Sunny | 15 mph S | 12% |
| Thursday Night | 52°F | Mostly Clear | 12 mph SSE | 9% |
| Friday | 73°F | Mostly Sunny | 10 to 17 mph SSE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Karlstad, MN
Last spring frost
May 15
First fall frost
Sep 26
Growing season
134 days
Hardiness zone
3b
Explore more for Karlstad, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Argyle, Mn (24 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.