Underwood, MN Weather & Growing Conditions
This Afternoon
66°F
Mostly Cloudy
Mostly cloudy, with a high near 66. Northeast wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 66°F | Mostly Cloudy | 10 mph NE | 2% |
| Tonight | 54°F | Mostly Cloudy | 5 to 9 mph NE | 2% |
| Sunday | 66°F | Mostly Cloudy | 13 mph ENE | 0% |
| Sunday Night | 46°F | Mostly Cloudy | 10 mph E | 0% |
| Monday | 65°F | Mostly Sunny | 9 mph E | 2% |
| Monday Night | 44°F | Mostly Clear | 7 mph ESE | 2% |
| Tuesday | 65°F | Sunny | 7 to 13 mph SE | 1% |
| Tuesday Night | 46°F | Mostly Clear | 10 mph SE | 0% |
| Wednesday | 66°F | Sunny | 8 to 16 mph SSE | 3% |
| Wednesday Night | 50°F | Partly Cloudy | 8 to 12 mph SSE | 11% |
| Thursday | 68°F | Partly Sunny | 8 to 14 mph SSE | 11% |
| Thursday Night | 52°F | Partly Cloudy | 7 to 10 mph SSE | 9% |
| Friday | 71°F | Mostly Sunny | 7 to 15 mph SSE | 9% |
| Friday Night | 54°F | Mostly Cloudy | 13 mph SSE | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Underwood, MN
Last spring frost
May 4
First fall frost
Oct 5
Growing season
152 days
Hardiness zone
4a
Explore more for Underwood, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Fergus Falls, Mn (13.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.