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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.