Harman US

Twin Valley, MN Weather & Growing Conditions

Today
70°F
Patchy Fog then Mostly Cloudy
Patchy fog before 10am. Mostly cloudy, with a high near 70. Northeast wind 6 to 12 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 70°F Patchy Fog then Mostly Cloudy 6 to 12 mph NE 2%
Tonight 50°F Mostly Cloudy 8 to 12 mph NNE 13%
Sunday 67°F Partly Sunny 12 mph NE 0%
Sunday Night 43°F Mostly Cloudy 8 mph E 0%
Monday 67°F Mostly Sunny 8 mph ESE 0%
Monday Night 41°F Mostly Clear 5 to 8 mph SE 1%
Tuesday 66°F Sunny 9 to 15 mph SSE 1%
Tuesday Night 44°F Mostly Clear 13 mph SSE 0%
Wednesday 68°F Mostly Sunny 14 to 18 mph SSE 1%
Wednesday Night 50°F Partly Cloudy 10 to 14 mph SSE 13%
Thursday 70°F Partly Sunny 10 to 14 mph SSE 13%
Thursday Night 52°F Partly Cloudy 10 mph SSE 12%
Friday 73°F Mostly Sunny 9 to 16 mph SSE 8%
Friday Night 55°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 11
First fall frost
Sep 27
Growing season
137 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, Ada, Mn (14.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.