Dayton, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dayton, a city in Hennepin County, Minnesota.
Tonight
50°F
Rain
Rain and patchy fog. Cloudy, with a low around 50. North wind around 10 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Dayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Rain | 10 mph N | 97% |
| Wednesday | 55°F | Rain | 10 mph N | 99% |
| Wednesday Night | 44°F | Light Rain | 15 mph NNW | 87% |
| Thursday | 48°F | Slight Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 24% |
| Thursday Night | 34°F | Mostly Cloudy | 5 to 10 mph NNE | 1% |
| Friday | 45°F | Mostly Sunny | 0 to 5 mph NE | 0% |
| Friday Night | 31°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 10 mph SW | 1% |
| Saturday Night | 36°F | Partly Cloudy | 5 mph W | 8% |
| Sunday | 55°F | Mostly Sunny | 5 to 10 mph W | 6% |
| Sunday Night | 37°F | Partly Cloudy | 5 mph SSW | 0% |
| Monday | 57°F | Mostly Sunny | 5 to 10 mph WSW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph WNW | 1% |
| Tuesday | 53°F | Mostly Sunny | 5 mph WNW | 1% |
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 Nov 4, 2026.