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Jonesville, MI Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Jonesville, a city in Hillsdale County, Michigan.

This Afternoon
68°F
Showers And Thunderstorms
Showers and thunderstorms. Some of the storms could produce heavy rain. Cloudy, with a high near 68. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

7-day forecast for Jonesville

WhenTempForecastWindPrecip
This Afternoon 68°F Showers And Thunderstorms 5 to 10 mph SE 79%
Tonight 61°F Showers And Thunderstorms 5 mph SE 87%
Sunday 69°F Showers And Thunderstorms 5 to 10 mph N 75%
Sunday Night 50°F Chance Rain Showers then Mostly Cloudy 10 mph NE 31%
Monday 64°F Mostly Cloudy 10 to 15 mph NE 12%
Monday Night 47°F Mostly Cloudy 10 mph NE 10%
Tuesday 62°F Partly Sunny then Slight Chance Rain Showers 10 to 15 mph NE 17%
Tuesday Night 49°F Chance Rain Showers 10 to 15 mph NE 32%
Wednesday 62°F Chance Rain Showers 10 to 15 mph NE 52%
Wednesday Night 50°F Chance Rain Showers 5 to 15 mph E 46%
Thursday 65°F Mostly Cloudy 5 to 10 mph E 13%
Thursday Night 49°F Mostly Cloudy 5 to 10 mph NE 7%
Friday 70°F Partly Sunny 5 to 10 mph NE 7%
Friday Night 48°F Partly Cloudy 0 to 5 mph NE 7%

Forecast source: National Weather Service (api.weather.gov) for Jonesville (41.979, -84.666). Updated through the day.

Growing snapshot for Jonesville

Last spring frost
May 3
First fall frost
Oct 12
Growing season
161 days
Hardiness zone
6a

More local growing data for Jonesville: nearby ZIP 49250 weather · frost dates · planting calendar · Michigan frost dates

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Climate data from the nearest NOAA station, Hillsdale, Mi (6 mi from Jonesville). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.