Twin Valley, MN Weather & Growing Conditions
Today
69°F
Mostly Cloudy
Mostly cloudy, with a high near 69. Northeast wind 6 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 69°F | Mostly Cloudy | 6 to 10 mph NE | 2% |
| Tonight | 50°F | Mostly Cloudy | 10 mph NNE | 7% |
| Sunday | 66°F | Partly Sunny | 10 mph ENE | 0% |
| Sunday Night | 43°F | Mostly Cloudy | 8 mph E | 0% |
| Monday | 66°F | Mostly Sunny | 8 mph ESE | 0% |
| Monday Night | 41°F | Mostly Clear | 5 to 8 mph SE | 1% |
| Tuesday | 65°F | Sunny | 9 to 14 mph SE | 1% |
| Tuesday Night | 44°F | Mostly Clear | 12 mph SSE | 0% |
| Wednesday | 67°F | Mostly Sunny | 13 to 17 mph SSE | 1% |
| Wednesday Night | 48°F | Partly Cloudy | 13 mph SSE | 13% |
| Thursday | 69°F | Partly Sunny | 10 to 14 mph SSE | 13% |
| Thursday Night | 52°F | Partly Cloudy | 10 mph SSE | 12% |
| Friday | 72°F | Mostly Sunny | 9 to 16 mph SSE | 8% |
| Friday Night | 54°F | Mostly Cloudy | 15 mph SSE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Twin Valley, MN
Last spring frost
May 7
First fall frost
Sep 28
Growing season
143 days
Hardiness zone
4a
Explore more for Twin Valley, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Mahnomen, Mn (12.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.