Delavan, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Delavan, a city in Faribault County, Minnesota.
Overnight
64°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. Low around 64, with temperatures rising to around 67 overnight. West northwest wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Delavan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Showers And Thunderstorms Likely | 10 mph WNW | 62% |
| Tuesday | 72°F | Chance Showers And Thunderstorms | 10 to 15 mph NNW | 50% |
| Tuesday Night | 55°F | Patchy Smoke then Mostly Cloudy | 0 to 5 mph NW | 26% |
| Wednesday | 73°F | Mostly Sunny | 0 to 5 mph WNW | 1% |
| Wednesday Night | 55°F | Mostly Clear | 0 to 5 mph S | 0% |
| Thursday | 79°F | Sunny | 5 to 10 mph S | 1% |
| Thursday Night | 62°F | Mostly Clear | 10 mph S | 3% |
| Friday | 83°F | Sunny | 10 to 15 mph SSW | 13% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 23% |
| Saturday | 84°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 15 mph S | 18% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 to 15 mph S | 39% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 10 mph SE | 39% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph E | 33% |
| Monday | 82°F | Chance Showers And Thunderstorms | 10 mph E | 33% |
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 Aug 4, 2026.