Karlstad, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Karlstad, a city in Kittson County, Minnesota.
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. West wind around 9 mph.
7-day forecast for Karlstad
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 9 mph W | 0% |
| Tuesday | 71°F | Sunny | 10 to 16 mph W | 0% |
| Tuesday Night | 48°F | Mostly Clear | 5 to 14 mph WSW | 2% |
| Wednesday | 79°F | Mostly Sunny | 8 to 21 mph SW | 0% |
| Wednesday Night | 55°F | Slight Chance Rain Showers | 8 to 17 mph SW | 17% |
| Thursday | 81°F | Mostly Sunny | 8 to 18 mph WSW | 4% |
| Thursday Night | 56°F | Mostly Clear | 7 to 15 mph WSW | 11% |
| Friday | 78°F | Sunny | 7 to 16 mph WNW | 11% |
| Friday Night | 53°F | Mostly Clear | 3 to 14 mph NNE | 6% |
| Saturday | 79°F | Mostly Sunny | 5 to 15 mph N | 7% |
| Saturday Night | 53°F | Partly Cloudy | 6 to 14 mph N | 11% |
| Sunday | 76°F | Mostly Sunny | 6 to 13 mph N | 9% |
| Sunday Night | 54°F | Partly Cloudy then Slight Chance Rain Showers | 6 to 13 mph NNE | 20% |
| Monday | 77°F | Slight Chance Rain Showers then Partly Sunny | 6 to 13 mph N | 20% |
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 Aug 4, 2026.