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Dexter, MN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a city in Mower County, Minnesota.

This Afternoon
61°F
Slight Chance Rain Showers
A slight chance of rain showers. Cloudy, with a high near 61. Northeast wind around 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Dexter

WhenTempForecastWindPrecip
This Afternoon 61°F Slight Chance Rain Showers 9 mph NE 24%
Tonight 55°F Slight Chance Rain Showers then Cloudy 9 to 13 mph NE 22%
Sunday 66°F Partly Sunny 13 to 16 mph NE 6%
Sunday Night 49°F Cloudy 14 mph NE 11%
Monday 58°F Chance Rain Showers 10 to 14 mph NE 46%
Monday Night 45°F Chance Rain Showers 7 to 10 mph NE 46%
Tuesday 59°F Mostly Sunny 7 to 10 mph E 6%
Tuesday Night 43°F Partly Cloudy 7 mph E 2%
Wednesday 62°F Sunny 8 mph E 0%
Wednesday Night 48°F Partly Cloudy 6 mph SE 8%
Thursday 65°F Slight Chance Rain Showers 7 mph SE 20%
Thursday Night 53°F Slight Chance Rain Showers then Mostly Cloudy 6 mph SE 15%
Friday 69°F Partly Sunny 3 to 7 mph SE 13%
Friday Night 55°F Mostly Cloudy 6 mph SE 5%

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 Sep 20, 2026.