Port Huron, MI Weather & Growing Conditions
Today
84°F
Sunny
Sunny, with a high near 84. South southwest wind 3 to 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 84°F | Sunny | 3 to 8 mph SSW | 0% |
| Tonight | 60°F | Mostly Clear | 3 to 8 mph S | 0% |
| Wednesday | 87°F | Sunny | 2 to 7 mph SSW | 0% |
| Wednesday Night | 66°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 2 to 7 mph SSW | 24% |
| Thursday | 81°F | Showers And Thunderstorms Likely | 2 to 8 mph WSW | 70% |
| Thursday Night | 64°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 6 mph NNE | 70% |
| Friday | 83°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 47% |
| Friday Night | 64°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 mph S | 44% |
| Saturday | 87°F | Mostly Sunny | 2 to 8 mph SW | 12% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 7 mph SSW | 31% |
| Sunday | 88°F | Chance Rain Showers | 5 to 12 mph SW | 31% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 6 to 10 mph WSW | 45% |
| Monday | 84°F | Chance Rain Showers | 9 mph W | 45% |
| Monday Night | 66°F | Chance Showers And Thunderstorms | 3 to 8 mph WSW | 46% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Port Huron, MI
Last spring frost
Apr 19
First fall frost
Nov 3
Growing season
196 days
Hardiness zone
6b
Explore more for Port Huron, MI: full frost dates · planting calendar · Michigan frost dates
Climate data from the nearest NOAA station, Port Huron, Mi (2.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.