Karlstad, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Karlstad, a city in Kittson County, Minnesota.
This Afternoon
71°F
Mostly Cloudy
Mostly cloudy, with a high near 71. South wind around 13 mph.
7-day forecast for Karlstad
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 71°F | Mostly Cloudy | 13 mph S | 3% |
| Tonight | 52°F | Mostly Cloudy | 3 to 12 mph SSE | 5% |
| Saturday | 69°F | Mostly Cloudy | 2 to 14 mph NW | 13% |
| Saturday Night | 46°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 | Mostly Clear | 7 to 10 mph SE | 0% |
| Tuesday | 68°F | Sunny | 10 to 17 mph SSE | 0% |
| Tuesday Night | 45°F | Partly Cloudy | 12 to 15 mph SSE | 2% |
| Wednesday | 69°F | Partly Sunny | 14 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% |
Forecast source: National Weather Service (api.weather.gov) for Karlstad (48.578, -96.516). Updated through the day.
Growing snapshot for Karlstad
Last spring frost
May 15
First fall frost
Sep 26
Growing season
134 days
Hardiness zone
3b
More local growing data for Karlstad: nearby ZIP 56732 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Argyle, Mn (24 mi from Karlstad). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.