West Union, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for West Union, a city in Todd County, Minnesota.
Today
71°F
Patchy Smoke then Mostly Sunny
Patchy smoke between 7am and 10am. Mostly sunny, with a high near 71. Northwest wind 10 to 15 mph.
7-day forecast for West Union
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Patchy Smoke then Mostly Sunny | 10 to 15 mph NW | 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) for West Union (45.804, -95.082). Updated through the day.
Growing snapshot for West Union
Last spring frost
May 13
First fall frost
Sep 27
Growing season
134 days
Hardiness zone
4b
More local growing data for West Union: nearby ZIP 56389 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Aldrich
Bertha
Browerville
Burtrum
Clarissa
Eagle Bend
Grey Eagle
Hewitt
Long Prairie
Osakis
Staples
Verndale
Climate data from the nearest NOAA station, Long Prairie, Mn (14.7 mi from West Union). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.