Dexter, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dexter, a city in Mower County, Minnesota.
Today
71°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. High near 71, with temperatures falling to around 68 in the afternoon. Northwest wind around 12 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Dexter
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Showers And Thunderstorms | 12 mph NW | 81% |
| Tonight | 56°F | Showers And Thunderstorms Likely | 5 to 9 mph NW | 55% |
| Wednesday | 72°F | Mostly Sunny | 6 mph NW | 1% |
| Wednesday Night | 55°F | Mostly Clear | 5 mph W | 0% |
| Thursday | 75°F | Sunny | 5 to 9 mph SW | 0% |
| Thursday Night | 60°F | Mostly Clear | 10 mph S | 1% |
| Friday | 78°F | Sunny | 9 to 14 mph S | 12% |
| Friday Night | 63°F | Mostly Clear | 13 mph S | 13% |
| Saturday | 79°F | Sunny | 8 to 13 mph S | 14% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 14 mph SW | 37% |
| Sunday | 80°F | Chance Showers And Thunderstorms | 12 mph SW | 37% |
| Sunday Night | 65°F | Chance Showers And Thunderstorms | 9 mph E | 37% |
| Monday | 78°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 mph E | 37% |
| Monday Night | 65°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 mph NE | 31% |
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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Austin
Brownsdale
Elkton
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Mapleview
Ostrander
Racine
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 Aug 4, 2026.