Truman, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Truman, a city in Martin County, Minnesota.
Overnight
62°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. Low around 62, with temperatures rising to around 65 overnight. North northwest wind around 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Truman
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 62°F | Showers And Thunderstorms Likely | 15 mph NNW | 61% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 10 to 15 mph NW | 38% |
| Tuesday Night | 54°F | Patchy Smoke then Mostly Cloudy | 0 to 5 mph WNW | 19% |
| Wednesday | 74°F | Mostly Sunny | 0 mph | 1% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 5 mph S | 0% |
| Thursday | 79°F | Sunny | 5 to 10 mph SSW | 1% |
| Thursday Night | 62°F | Mostly Clear | 10 to 15 mph S | 3% |
| Friday | 83°F | Sunny | 10 to 15 mph SSW | 13% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 10 mph S | 23% |
| Saturday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 15 mph S | 18% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 to 15 mph SSE | 38% |
| Sunday | 83°F | Chance Showers And Thunderstorms then Mostly Sunny | 10 mph SE | 38% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 32% |
| Monday | 81°F | Chance Showers And Thunderstorms | 10 mph E | 32% |
Forecast source: National Weather Service (api.weather.gov) for Truman (43.828, -94.437). Updated through the day.
Growing snapshot for Truman
Last spring frost
Apr 25
First fall frost
Oct 14
Growing season
171 days
Hardiness zone
5a
More local growing data for Truman: nearby ZIP 56088 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Fairmont, Mn (12.5 mi from Truman). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.