Harman US

Jasper, MI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Jasper, a community in Lenawee County, Michigan.

Tonight
61°F
Mostly Cloudy then Chance Light Rain
A chance of rain after 5am. Mostly cloudy. Low around 61, with temperatures rising to around 63 overnight. South southeast wind 9 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Jasper

WhenTempForecastWindPrecip
Tonight 61°F Mostly Cloudy then Chance Light Rain 9 to 13 mph SSE 36%
Wednesday 70°F Light Rain 14 to 17 mph S 98%
Wednesday Night 49°F Light Rain Likely then Mostly Cloudy 8 to 13 mph SW 57%
Thursday 62°F Partly Sunny 10 to 16 mph SW 11%
Thursday Night 44°F Mostly Cloudy then Slight Chance Light Rain 3 to 9 mph W 18%
Friday 57°F Chance Light Rain 3 to 8 mph NW 43%
Friday Night 36°F Chance Light Rain 7 mph NNW 40%
Saturday 53°F Slight Chance Light Rain then Partly Sunny 6 to 9 mph NW 15%
Saturday Night 31°F Partly Cloudy 5 mph W 7%
Sunday 57°F Mostly Sunny then Slight Chance Light Rain 3 to 10 mph WSW 17%
Sunday Night 33°F Slight Chance Light Rain then Partly Cloudy 6 to 9 mph WNW 17%
Monday 60°F Mostly Sunny 6 to 12 mph W 13%
Monday Night 36°F Partly Cloudy 9 mph WSW 11%
Tuesday 62°F Mostly Sunny 8 to 13 mph W 4%

Forecast source: National Weather Service (api.weather.gov) for Jasper (41.786, -84.040). Updated through the day.

Growing snapshot for Jasper

Last spring frost
Apr 27
First fall frost
Oct 20
Growing season
173 days
Hardiness zone
6a

More local growing data for Jasper: nearby ZIP 49248 weather · frost dates · planting calendar · Michigan frost dates

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Climate data from the nearest NOAA station, Adrian Lenawee Co Ap, Mi (8.5 mi from Jasper). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.