Dexter, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a city in Mower County, Minnesota.
Today
48°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 48, with temperatures falling to around 45 in the afternoon. West wind around 16 mph, with gusts as high as 26 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Dexter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 48°F | Rain Showers Likely | 16 mph W | 51% |
| Tonight | 43°F | Rain Showers | 13 to 16 mph W | 98% |
| Thursday | 46°F | Chance Rain Showers then Cloudy | 17 mph N | 40% |
| Thursday Night | 34°F | Mostly Cloudy | 9 to 14 mph N | 3% |
| Friday | 44°F | Sunny | 10 mph N | 0% |
| Friday Night | 27°F | Mostly Clear | 7 mph NW | 0% |
| Saturday | 47°F | Mostly Sunny | 7 to 12 mph SW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 9 mph W | 0% |
| Sunday | 53°F | Sunny | 8 mph W | 2% |
| Sunday Night | 36°F | Mostly Clear | 6 to 9 mph SW | 0% |
| Monday | 58°F | Sunny | 9 to 14 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 8 mph W | 0% |
| Tuesday | 56°F | Mostly Sunny | 7 mph NW | 0% |
| Tuesday Night | 39°F | Partly Cloudy | 5 mph NW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Dexter (43.719, -92.702). Updated through the day.
Growing snapshot for Dexter
Last spring frost
May 6
First fall frost
Oct 1
Growing season
146 days
Hardiness zone
4b
More local growing data for Dexter: nearby ZIP 55926 weather · frost dates · planting calendar · Minnesota frost dates
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Climate data from the nearest NOAA station, Grand Meadow, Mn (7.6 mi from Dexter). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.