Karlstad, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Karlstad, a city in Kittson County, Minnesota.
Tonight
35°F
Cloudy
Cloudy. Low around 35, with temperatures rising to around 38 overnight. North wind around 13 mph.
7-day forecast for Karlstad
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 35°F | Cloudy | 13 mph N | 1% |
| Wednesday | 48°F | Mostly Cloudy | 13 to 17 mph N | 2% |
| Wednesday Night | 28°F | Mostly Cloudy | 16 mph N | 0% |
| Thursday | 41°F | Partly Sunny | 6 to 15 mph NNE | 0% |
| Thursday Night | 21°F | Partly Cloudy | 5 mph ESE | 0% |
| Friday | 43°F | Mostly Sunny | 6 to 15 mph S | 0% |
| Friday Night | 27°F | Partly Cloudy | 13 mph S | 0% |
| Saturday | 52°F | Mostly Sunny | 13 to 17 mph SW | 10% |
| Saturday Night | 31°F | Partly Cloudy | 8 to 13 mph W | 14% |
| Sunday | 51°F | Mostly Sunny | 8 to 13 mph SW | 3% |
| Sunday Night | 34°F | Mostly Cloudy | 10 to 15 mph S | 0% |
| Monday | 54°F | Mostly Sunny | 15 to 23 mph WSW | 1% |
| Monday Night | 30°F | Partly Cloudy | 7 to 15 mph W | 1% |
| Tuesday | 48°F | Mostly Sunny | 7 to 13 mph W | 0% |
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 Nov 4, 2026.