Mapleton, MN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Mapleton, a city in Blue Earth County, Minnesota.
Tonight
60°F
Patchy Fog
Patchy fog and showers and thunderstorms before 9pm, then patchy fog and showers and thunderstorms likely between 9pm and 4am, then a chance of showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a low around 60. East wind 10 to 15 mph. Chance of precipitation is 90%. New rainfall amounts between 1 and 2 inches possible.
7-day forecast for Mapleton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Patchy Fog | 10 to 15 mph E | 89% |
| Saturday | 66°F | Chance Showers And Thunderstorms then Chance Drizzle | 5 to 10 mph NE | 34% |
| Saturday Night | 55°F | Slight Chance Drizzle then Mostly Cloudy | 10 mph NNE | 20% |
| Sunday | 65°F | Mostly Cloudy | 10 to 15 mph NE | 6% |
| Sunday Night | 51°F | Mostly Cloudy then Slight Chance Rain Showers | 10 mph ENE | 17% |
| Monday | 61°F | Chance Rain Showers | 10 mph ENE | 39% |
| Monday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph ENE | 39% |
| Tuesday | 61°F | Partly Sunny | 5 to 10 mph E | 6% |
| Tuesday Night | 45°F | Partly Cloudy | 5 mph ESE | 1% |
| Wednesday | 65°F | Sunny | 5 mph SE | 0% |
| Wednesday Night | 49°F | Partly Cloudy | 0 to 5 mph SSE | 8% |
| Thursday | 68°F | Slight Chance Rain Showers | 5 mph SSE | 15% |
| Thursday Night | 52°F | Partly Cloudy | 0 to 5 mph SSE | 6% |
| Friday | 69°F | Mostly Sunny | 5 mph SE | 7% |
Forecast source: National Weather Service (api.weather.gov) for Mapleton (43.927, -93.955). Updated through the day.
Growing snapshot for Mapleton
Last spring frost
Apr 30
First fall frost
Oct 7
Growing season
161 days
Hardiness zone
5a
More local growing data for Mapleton: nearby ZIP 56065 weather · frost dates · planting calendar · Minnesota frost dates
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Climate data from the nearest NOAA station, Amboy, Mn (13.3 mi from Mapleton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.