Mahtowa, MN Weather & Growing Conditions
This Afternoon
59°F
Partly Sunny
Partly sunny, with a high near 59. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Partly Sunny | 10 to 15 mph NE | 0% |
| Tonight | 39°F | Mostly Cloudy | 5 to 10 mph E | 1% |
| Monday | 60°F | Mostly Sunny | 5 to 10 mph E | 0% |
| Monday Night | 36°F | Mostly Clear | 5 to 10 mph E | 0% |
| Tuesday | 63°F | Patchy Frost then Sunny | 0 to 10 mph E | 0% |
| Tuesday Night | 36°F | Clear | 0 to 5 mph E | 0% |
| Wednesday | 66°F | Sunny | 0 to 5 mph SE | 0% |
| Wednesday Night | 40°F | Mostly Clear | 0 to 5 mph SE | 4% |
| Thursday | 64°F | Slight Chance Rain Showers | 0 to 5 mph S | 16% |
| Thursday Night | 46°F | Mostly Cloudy | 0 to 5 mph S | 14% |
| Friday | 70°F | Partly Sunny | 0 to 5 mph S | 4% |
| Friday Night | 47°F | Partly Cloudy | 0 mph | 4% |
| Saturday | 70°F | Partly Sunny | 0 to 10 mph S | 8% |
| Saturday Night | 50°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph S | 20% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mahtowa, MN
Last spring frost
May 12
First fall frost
Oct 2
Growing season
144 days
Hardiness zone
4a
Explore more for Mahtowa, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Moose Lake 1 Sse, Mn (9.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.