Truman, MN Weather & Growing Conditions
Tonight
60°F
Patchy Fog
Patchy fog and showers and thunderstorms likely before 9pm, then patchy fog and a chance of showers and thunderstorms between 9pm and 4am, then a chance of showers and thunderstorms. Cloudy. Low around 60, with temperatures rising to around 63 overnight. East northeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Patchy Fog | 5 to 10 mph ENE | 62% |
| Saturday | 66°F | Chance Showers And Thunderstorms then Slight Chance T-storms | 5 to 10 mph NNE | 27% |
| Saturday Night | 55°F | Slight Chance Drizzle then Mostly Cloudy | 10 mph NNE | 24% |
| Sunday | 65°F | Mostly Cloudy | 15 mph NE | 13% |
| Sunday Night | 52°F | Cloudy then Chance Rain Showers | 10 mph ENE | 25% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 44% |
| Monday Night | 47°F | Chance Rain Showers | 5 to 10 mph ENE | 44% |
| Tuesday | 62°F | Partly Sunny | 5 to 10 mph E | 6% |
| Tuesday Night | 45°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Wednesday | 65°F | Sunny | 5 mph SE | 2% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 5 mph SSE | 13% |
| Thursday | 69°F | Slight Chance Rain Showers | 0 to 5 mph S | 16% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph SSE | 7% |
| Friday | 69°F | Mostly Sunny | 5 to 10 mph SSE | 7% |
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 Sep 19, 2026.