Dexter, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a city in Mower County, Minnesota.
Today
51°F
Mostly Cloudy then Chance Rain Showers
A chance of rain showers after 3pm. Mostly cloudy. High near 51, with temperatures falling to around 47 in the afternoon. West wind 14 to 17 mph, with gusts as high as 28 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 | 51°F | Mostly Cloudy then Chance Rain Showers | 14 to 17 mph W | 50% |
| Tonight | 43°F | Rain Showers | 14 to 17 mph NW | 75% |
| Thursday | 48°F | Chance Rain Showers | 14 to 18 mph N | 29% |
| Thursday Night | 34°F | Mostly Cloudy | 8 to 13 mph N | 8% |
| Friday | 44°F | Mostly Sunny | 5 to 8 mph N | 0% |
| Friday Night | 27°F | Mostly Clear | 3 mph NW | 0% |
| Saturday | 47°F | Sunny | 3 to 8 mph SW | 1% |
| Saturday Night | 34°F | Mostly Clear | 6 to 9 mph W | 1% |
| Sunday | 53°F | Sunny | 9 mph W | 3% |
| Sunday Night | 36°F | Mostly Clear | 6 to 9 mph SW | 0% |
| Monday | 58°F | Mostly Sunny | 9 to 13 mph SW | 0% |
| Monday Night | 39°F | Mostly Clear | 8 mph W | 0% |
| Tuesday | 56°F | Sunny | 7 mph NW | 0% |
| Tuesday Night | 39°F | Partly Cloudy | 5 mph W | 3% |
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
Nearby towns & communities
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Ostrander
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Rose Creek
Sargeant
Taopi
Waltham
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.