Current conditions at
St Clair County International Airport (KPHN)
Lat: 42.91°NLon: 82.53°WElev: 636ft.
Fair
66°F
19°C
| Humidity | 83% |
| Wind Speed | S 3 mph |
| Barometer | 29.81 in |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Last update | 12 Oct 9:55 pm EDT |
Extended Forecast for
Port Huron MI
Tonight
Low: 65 °F
Slight Chance
T-storms then
Scattered
T-stormsTuesday
High: 82 °F
Showers
Likely then
SunnyTuesday Night
Low: 57 °F
Partly Cloudy
then Chance
RainWednesday

High: 64 °F
Mostly Cloudy
Wednesday Night

Low: 50 °F
Mostly Cloudy
Thursday

High: 62 °F
Mostly Cloudy
Thursday Night

Low: 49 °F
Rain
Friday

High: 62 °F
Rain Likely
and BreezyFriday Night
Low: 38 °F
Mostly Cloudy
and Breezy
then Partly
Cloudy
Detailed Forecast
Tonight
Scattered showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 65. South southwest wind around 7 mph. Chance of precipitation is 50%.
Tuesday
Showers likely and possibly a thunderstorm before 8am. Partly sunny, then gradually becoming sunny, with a high near 82. South southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
A chance of rain between 4am and 5am. Increasing clouds, with a low around 57. West northwest wind 5 to 9 mph becoming light north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Wednesday
Mostly cloudy, with a high near 64. Light north northwest wind becoming north 5 to 9 mph in the morning.
Wednesday Night
Mostly cloudy, with a low around 50. North wind around 8 mph.
Thursday
Mostly cloudy, with a high near 62.
Thursday Night
Rain, mainly after 8pm. Low around 49. Chance of precipitation is 80%.
Friday
Rain likely, mainly before 8am. Mostly cloudy, with a high near 62. Breezy.
Friday Night
Mostly cloudy, with a low around 38. Breezy.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 37.
Sunday
Sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 65.
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Port Huron MI
42.97°N 82.43°W (Elev. 600 ft)
42.97°N 82.43°W (Elev. 600 ft)
8:24 pm EDT Oct 12, 2026
10pm EDT Oct 12, 2026-6pm EDT Oct 19, 2026


