Truman, MN Weather & Growing Conditions
Tonight
42°F
Rain
Rain and patchy fog. Cloudy. Low around 42, with temperatures rising to around 46 overnight. Northwest wind 15 to 20 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Rain | 15 to 20 mph NW | 96% |
| Wednesday | 48°F | Light Rain | 15 mph NW | 96% |
| Wednesday Night | 39°F | Light Rain | 15 mph NW | 88% |
| Thursday | 46°F | Chance Light Rain | 15 mph NNW | 52% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph N | 5% |
| Friday | 46°F | Mostly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 30°F | Partly Cloudy | 0 to 5 mph SSE | 0% |
| Saturday | 54°F | Mostly Sunny | 5 to 10 mph SW | 2% |
| Saturday Night | 35°F | Mostly Clear | 5 mph W | 3% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 36°F | Mostly Clear | 5 to 10 mph SSW | 1% |
| Monday | 60°F | Sunny | 10 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph WNW | 0% |
| Tuesday | 56°F | Mostly Sunny | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Truman, MN
Last spring frost
Apr 25
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
5a
Explore more for Truman, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Fairmont, Mn (12.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.