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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.

Today
61°F
Rain Showers Likely
Rain showers likely. Cloudy. High near 61, with temperatures falling to around 59 in the afternoon. Northeast wind around 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast for Dexter

WhenTempForecastWindPrecip
Today 61°F Rain Showers Likely 10 mph NE 59%
Tonight 55°F Slight Chance Rain Showers then Cloudy 14 mph NE 23%
Sunday 65°F Mostly Cloudy 16 mph NE 7%
Sunday Night 50°F Mostly Cloudy 13 mph NE 8%
Monday 60°F Slight Chance Rain Showers 13 mph E 21%
Monday Night 44°F Slight Chance Rain Showers then Mostly Cloudy 9 mph E 17%
Tuesday 59°F Mostly Sunny 7 to 10 mph E 6%
Tuesday Night 42°F Mostly Clear 7 mph E 1%
Wednesday 62°F Sunny 7 mph E 2%
Wednesday Night 47°F Mostly Clear 6 mph SE 7%
Thursday 64°F Mostly Sunny 6 mph SE 10%
Thursday Night 50°F Partly Cloudy 5 mph SE 5%
Friday 67°F Mostly Sunny 3 to 7 mph SE 3%
Friday Night 52°F Partly Cloudy 6 mph SE 9%

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 19, 2026.