Dayton, MN Weather & Growing Conditions
Tonight
51°F
Patchy Fog then Light Rain
Patchy fog and a slight chance of rain before midnight, then rain and patchy fog. Cloudy, with a low around 51. North northwest wind around 10 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 | 51°F | Patchy Fog then Light Rain | 10 mph NNW | 87% |
| Wednesday | 54°F | Light Rain | 10 mph NNW | 95% |
| Wednesday Night | 44°F | Light Rain | 10 to 15 mph NNW | 93% |
| Thursday | 48°F | Slight Chance Light Rain then Mostly Cloudy | 10 to 15 mph N | 23% |
| 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 | 7% |
| 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 SW | 0% |
| Monday Night | 39°F | Mostly Clear | 5 to 10 mph WNW | 1% |
| Tuesday | 53°F | Sunny | 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dayton, MN
Last spring frost
May 4
First fall frost
Oct 5
Growing season
154 days
Hardiness zone
4b
Explore more for Dayton, MN: full frost dates · planting calendar · Minnesota frost dates
Climate data from the nearest NOAA station, Elk Rvr, Mn (8.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.