Pontiac, MI Weather & Growing Conditions
Today
66°F
Light Rain
Rain. Mostly cloudy, with a high near 66. South wind 12 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Light Rain | 12 to 15 mph S | 98% |
| Tonight | 50°F | Light Rain Likely then Mostly Cloudy | 8 to 13 mph SSW | 61% |
| Thursday | 58°F | Mostly Cloudy | 9 to 14 mph SW | 5% |
| Thursday Night | 42°F | Chance Light Rain | 3 to 8 mph W | 51% |
| Friday | 51°F | Light Rain Likely | 3 to 9 mph NW | 61% |
| Friday Night | 35°F | Light Rain Likely | 9 mph NNW | 57% |
| Saturday | 49°F | Slight Chance Light Rain then Partly Sunny | 8 to 12 mph NW | 23% |
| Saturday Night | 32°F | Partly Cloudy | 6 mph WNW | 3% |
| Sunday | 54°F | Mostly Sunny | 7 to 12 mph W | 6% |
| Sunday Night | 34°F | Partly Cloudy | 6 to 10 mph W | 6% |
| Monday | 56°F | Mostly Sunny | 6 to 10 mph W | 2% |
| Monday Night | 38°F | Partly Cloudy | 9 mph WSW | 3% |
| Tuesday | 59°F | Mostly Sunny then Slight Chance Light Rain | 8 to 12 mph W | 15% |
| Tuesday Night | 35°F | Slight Chance Light Rain then Partly Cloudy | 3 to 8 mph WNW | 15% |
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 Nov 4, 2026.