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
48°F
Chance Light Rain then Mostly Cloudy
A chance of rain before 8pm. Mostly cloudy. Low around 48, with temperatures rising to around 50 overnight. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Jasper

WhenTempForecastWindPrecip
Tonight 48°F Chance Light Rain then Mostly Cloudy 9 to 13 mph SW 30%
Thursday 60°F Mostly Cloudy then Slight Chance Light Rain 10 to 16 mph SW 16%
Thursday Night 40°F Chance Light Rain 7 to 10 mph W 43%
Friday 52°F Slight Chance Light Rain 8 to 12 mph NW 23%
Friday Night 32°F Slight Chance Light Rain then Mostly Cloudy 10 mph NW 23%
Saturday 52°F Partly Sunny 7 to 10 mph NW 3%
Saturday Night 28°F Partly Cloudy 5 mph WNW 0%
Sunday 58°F Sunny 5 to 13 mph W 4%
Sunday Night 31°F Mostly Clear 5 to 9 mph W 4%
Monday 60°F Sunny 5 to 10 mph W 0%
Monday Night 37°F Mostly Clear 9 mph WSW 0%
Tuesday 62°F Sunny 7 to 10 mph W 0%
Tuesday Night 33°F Mostly Clear 2 to 6 mph WNW 1%
Veterans Day 59°F Mostly Sunny 2 to 6 mph NW 2%

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 5, 2026.