Dover, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dover, a city in Olmsted County, Minnesota.
Overnight
58°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a low around 58. East wind 12 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Dover
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Showers And Thunderstorms Likely | 12 to 15 mph E | 70% |
| Saturday | 64°F | Chance Showers And Thunderstorms | 7 to 10 mph NE | 54% |
| Saturday Night | 55°F | Slight Chance Showers And Thunderstorms then Cloudy | 8 to 12 mph NE | 20% |
| Sunday | 66°F | Partly Sunny | 14 mph NE | 3% |
| Sunday Night | 48°F | Mostly Cloudy | 8 to 12 mph NE | 4% |
| Monday | 62°F | Mostly Cloudy | 10 mph NE | 14% |
| Monday Night | 44°F | Mostly Cloudy | 8 mph E | 9% |
| Tuesday | 61°F | Mostly Sunny | 8 mph E | 4% |
| Tuesday Night | 42°F | Mostly Clear | 6 mph E | 1% |
| Wednesday | 64°F | Sunny | 6 mph E | 1% |
| Wednesday Night | 47°F | Mostly Clear | 5 mph SE | 5% |
| Thursday | 66°F | Mostly Sunny | 5 mph SE | 8% |
| Thursday Night | 49°F | Partly Cloudy | 3 mph SE | 4% |
| Friday | 69°F | Mostly Sunny | 6 mph SE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Dover (43.970, -92.134). Updated through the day.
Growing snapshot for Dover
Last spring frost
Apr 30
First fall frost
Oct 6
Growing season
159 days
Hardiness zone
4b
More local growing data for Dover: nearby ZIP 55929 weather · frost dates · planting calendar · Minnesota frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rochester Intl Ap, Mn (18 mi from Dover). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.