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Pontiac, MI Weather & Growing Conditions

This Afternoon
65°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy. High near 65, with temperatures falling to around 63 in the afternoon. East wind around 8 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 65°F Chance Showers And Thunderstorms 8 mph E 32%
Tonight 58°F Slight Chance Showers And Thunderstorms then Patchy Fog 3 to 8 mph ENE 92%
Sunday 67°F Patchy Fog 5 to 12 mph NE 78%
Sunday Night 52°F Mostly Cloudy 8 to 12 mph NE 1%
Monday 62°F Partly Sunny 12 mph NE 2%
Monday Night 49°F Mostly Cloudy 10 mph NE 3%
Tuesday 62°F Partly Sunny 10 to 14 mph NE 10%
Tuesday Night 51°F Chance Rain Showers 14 mph ENE 40%
Wednesday 61°F Chance Rain Showers 15 mph ENE 50%
Wednesday Night 52°F Chance Rain Showers 8 to 13 mph E 50%
Thursday 64°F Slight Chance Rain Showers then Mostly Cloudy 10 mph E 16%
Thursday Night 50°F Mostly Cloudy 3 to 8 mph ENE 13%
Friday 68°F Mostly Sunny 5 to 8 mph NE 11%
Friday Night 50°F Partly Cloudy 3 to 7 mph NNE 4%

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

Growing snapshot for Pontiac, MI

Last spring frost
Apr 26
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Pontiac Wwtp, Mi (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.