West Union, MN Weather & Growing Conditions
Today
71°F
Patchy Smoke then Sunny
Patchy smoke before 10am. Sunny, with a high near 71. West northwest wind 10 to 15 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke then Sunny | 10 to 15 mph WNW | 0% |
| Tonight | 52°F | Mostly Clear | 5 to 10 mph W | 0% |
| Wednesday | 77°F | Sunny | 5 to 15 mph SW | 0% |
| Wednesday Night | 58°F | Mostly Clear | 5 to 10 mph SW | 2% |
| Thursday | 82°F | Sunny | 10 to 15 mph SSW | 2% |
| Thursday Night | 62°F | Mostly Clear | 10 to 15 mph SSW | 6% |
| Friday | 84°F | Sunny | 10 to 15 mph SW | 6% |
| Friday Night | 60°F | Mostly Clear | 5 to 10 mph S | 14% |
| Saturday | 83°F | Slight Chance Rain Showers | 5 to 10 mph S | 15% |
| Saturday Night | 61°F | Chance Showers And Thunderstorms | 5 to 10 mph E | 40% |
| Sunday | 82°F | Chance Showers And Thunderstorms then Sunny | 5 to 10 mph NNE | 33% |
| Sunday Night | 61°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 18% |
| Monday | 81°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 18% |
| Monday Night | 60°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for West Union, MN
Last spring frost
May 13
First fall frost
Sep 27
Growing season
134 days
Hardiness zone
4b
Explore more for West Union, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Long Prairie, Mn (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.