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Hartford, MI Weather & Growing Conditions

Overnight
54°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. Low around 54, with temperatures rising to around 59 overnight. East wind around 9 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Overnight 54°F Showers And Thunderstorms Likely 9 mph E 62%
Saturday 73°F Showers And Thunderstorms 7 to 10 mph SE 96%
Saturday Night 60°F Patchy Fog 2 to 6 mph SE 86%
Sunday 71°F Chance Rain Showers then Mostly Cloudy 3 to 12 mph NNE 52%
Sunday Night 49°F Mostly Cloudy 10 mph NE 12%
Monday 65°F Mostly Cloudy 12 mph ENE 13%
Monday Night 46°F Mostly Cloudy 7 to 12 mph ENE 8%
Tuesday 65°F Partly Sunny then Slight Chance Rain Showers 8 to 13 mph ENE 17%
Tuesday Night 47°F Slight Chance Rain Showers 7 to 13 mph NE 17%
Wednesday 66°F Chance Rain Showers 10 mph NE 25%
Wednesday Night 48°F Slight Chance Rain Showers then Mostly Cloudy 3 to 10 mph NE 15%
Thursday 69°F Partly Sunny 5 to 9 mph NE 3%
Thursday Night 48°F Mostly Cloudy 2 to 8 mph NE 3%
Friday 72°F Mostly Sunny 3 to 8 mph NE 2%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Hartford, MI

Last spring frost
Apr 22
First fall frost
Oct 30
Growing season
189 days
Hardiness zone
6a

Explore more for Hartford, MI: full frost dates · planting calendar · Michigan frost dates

Climate data from the nearest NOAA station, Eau Claire 4 Ne, Mi (12.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.