Pontiac, MI Weather & Growing Conditions
Today
86°F
Sunny
Sunny, with a high near 86. South southwest wind around 7 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 7 mph SSW | 0% |
| Tonight | 62°F | Mostly Clear | 3 to 8 mph SSW | 0% |
| Wednesday | 88°F | Sunny | 3 to 9 mph SW | 2% |
| Wednesday Night | 67°F | Mostly Cloudy then Chance Showers And Thunderstorms | 2 to 7 mph WSW | 52% |
| Thursday | 83°F | Showers And Thunderstorms Likely | 3 to 7 mph WSW | 71% |
| Thursday Night | 64°F | Showers And Thunderstorms Likely | 1 to 6 mph SW | 71% |
| Friday | 85°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 34% |
| Friday Night | 65°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 34% |
| Saturday | 88°F | Mostly Sunny | 3 to 9 mph WSW | 9% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 5 to 9 mph SW | 26% |
| Sunday | 89°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 to 13 mph SW | 26% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 to 13 mph WSW | 44% |
| Monday | 87°F | Chance Rain Showers | 9 mph W | 44% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 8 mph W | 44% |
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 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.