Dayton, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dayton, a city in Hennepin County, Minnesota.
Today
75°F
Mostly Sunny then Patchy Smoke
Patchy smoke after 5pm. Mostly sunny, with a high near 75. West northwest wind 5 to 10 mph.
7-day forecast for Dayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Mostly Sunny then Patchy Smoke | 5 to 10 mph WNW | 1% |
| Tonight | 55°F | Partly Cloudy | 0 to 10 mph W | 1% |
| Wednesday | 78°F | Sunny | 0 to 10 mph WSW | 0% |
| Wednesday Night | 59°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Thursday | 83°F | Sunny | 5 to 15 mph SSW | 1% |
| Thursday Night | 64°F | Mostly Clear | 10 to 15 mph SSW | 2% |
| Friday | 86°F | Sunny | 10 to 15 mph SSW | 9% |
| Friday Night | 64°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 23% |
| Saturday | 85°F | Sunny | 5 to 10 mph SSW | 13% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms | 5 to 10 mph WNW | 52% |
| Sunday | 83°F | Chance Showers And Thunderstorms | 5 to 10 mph SSW | 52% |
| Sunday Night | 64°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph NNE | 17% |
| Monday | 82°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph NE | 19% |
| Monday Night | 64°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 23% |
Forecast source: National Weather Service (api.weather.gov) for Dayton (45.189, -93.472). Updated through the day.
Growing snapshot for Dayton
Last spring frost
May 4
First fall frost
Oct 5
Growing season
154 days
Hardiness zone
4b
More local growing data for Dayton: nearby ZIP 55327 weather · frost dates · planting calendar · Minnesota frost dates
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Climate data from the nearest NOAA station, Elk Rvr, Mn (8.9 mi from Dayton). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.