Delavan, MN Weather & Growing Conditions
Tonight
45°F
Light Rain
Rain and patchy fog. Cloudy, with a low around 45. Northwest wind around 15 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 45°F | Light Rain | 15 mph NW | 93% |
| Wednesday | 48°F | Light Rain | 15 mph WNW | 84% |
| Wednesday Night | 40°F | Light Rain | 15 mph WNW | 93% |
| Thursday | 47°F | Light Rain Likely | 15 mph NNW | 57% |
| Thursday Night | 33°F | Mostly Cloudy | 5 to 10 mph N | 12% |
| Friday | 46°F | Partly Sunny | 0 to 5 mph NNE | 0% |
| Friday Night | 29°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 53°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Saturday Night | 34°F | Partly Cloudy | 5 mph WSW | 4% |
| Sunday | 58°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 36°F | Mostly Clear | 5 to 10 mph SSW | 1% |
| Monday | 60°F | Mostly Sunny | 10 to 15 mph WSW | 0% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph WNW | 1% |
| Tuesday | 56°F | Mostly Sunny | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Delavan, MN
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
166 days
Hardiness zone
5a
Explore more for Delavan, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Winnebago, Mn (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.