Delavan, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delavan, a city in Faribault County, Minnesota.
Tonight
61°F
Patchy Fog
Patchy fog and a chance of showers and thunderstorms. Cloudy, with a low around 61. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
7-day forecast for Delavan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 61°F | Patchy Fog | 5 to 10 mph E | 63% |
| Saturday | 67°F | Chance Showers And Thunderstorms then Chance Drizzle | 5 to 10 mph NNE | 28% |
| Saturday Night | 55°F | Slight Chance Drizzle then Mostly Cloudy | 10 mph NNE | 24% |
| Sunday | 65°F | Mostly Cloudy | 15 mph NE | 10% |
| Sunday Night | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph ENE | 21% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 42% |
| Monday Night | 47°F | Chance Rain Showers | 5 to 10 mph ENE | 42% |
| Tuesday | 62°F | Partly Sunny | 5 to 10 mph E | 6% |
| Tuesday Night | 45°F | Partly Cloudy | 0 to 5 mph ESE | 1% |
| Wednesday | 65°F | Sunny | 5 mph SE | 1% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 5 mph SSE | 9% |
| Thursday | 68°F | Slight Chance Rain Showers | 0 to 5 mph SSE | 16% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph SSE | 6% |
| Friday | 69°F | Mostly Sunny | 0 to 5 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Delavan (43.768, -94.017). Updated through the day.
Growing snapshot for Delavan
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
166 days
Hardiness zone
5a
More local growing data for Delavan: nearby ZIP 56023 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winnebago, Mn (7.7 mi from Delavan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.