Pontiac, MI Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Pontiac, a city in Oakland County, Michigan.
Today
86°F
Sunny
Sunny, with a high near 86. South southwest wind 3 to 7 mph.
7-day forecast for Pontiac
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 3 to 7 mph SSW | 0% |
| Tonight | 62°F | Mostly Clear | 2 to 8 mph SSW | 0% |
| Wednesday | 88°F | Sunny | 2 to 7 mph SW | 2% |
| Wednesday Night | 66°F | Mostly Cloudy then Chance Showers And Thunderstorms | 2 to 7 mph WSW | 53% |
| Thursday | 82°F | Showers And Thunderstorms Likely | 3 to 7 mph WSW | 72% |
| Thursday Night | 64°F | Showers And Thunderstorms Likely | 1 to 6 mph SSW | 72% |
| 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 | 2 to 9 mph WSW | 8% |
| Saturday Night | 67°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 | 45% |
| Monday | 86°F | Chance Rain Showers | 9 mph W | 45% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 5 to 8 mph W | 44% |
Forecast source: National Weather Service (api.weather.gov) for Pontiac (42.649, -83.287). Updated through the day.
Growing snapshot for Pontiac
Last spring frost
Apr 26
First fall frost
Oct 22
Growing season
177 days
Hardiness zone
6a
More local growing data for Pontiac: nearby ZIP 48342 weather · frost dates · planting calendar · Michigan frost dates
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Climate data from the nearest NOAA station, Pontiac Wwtp, Mi (1 mi from Pontiac). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.