ST CLAIR, MI 48079 Weather Forecast & Current Conditions

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PORT HURON, MI
Current Weather

8:15 AM EDT APR 9, 2026
Broken Clouds
52°F
Feels Like: 48°F
Dewpoint: 32°F
Rel. Hum.: 46%
Visibility: 10 miles
Wind: S at 12 mph
Pressure: 30.12 inches
Last 72 hours

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ST CLAIR, MI 48079
Weather Forecast

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EARLY THIS MORNING
Partly cloudy. Near steady temperature in the mid 40s. South winds 10 to 15 mph with gusts up to 30 mph.
TODAY
Mostly cloudy with a chance of rain until late afternoon, then partly cloudy in the late afternoon. Highs in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent.
TONIGHT
Partly cloudy in the evening, then cloudy with rain after midnight. Lows around 40. Northwest winds up to 10 mph, becoming northeast after midnight. Chance of rain 80 percent.
FRIDAY
Cloudy. Rain in the morning, then a chance of rain in the afternoon. Highs in the upper 40s. North winds up to 10 mph. Chance of rain 90 percent.
FRIDAY NIGHT
Partly cloudy. Lows in the lower 30s. North winds up to 5 mph.
SATURDAY
Mostly sunny. Highs in the lower 50s. Northeast winds up to 5 mph.
SATURDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 30s.
SUNDAY
Cloudy with a 40 percent chance of rain. Highs in the upper 60s.
SUNDAY NIGHT
Cloudy with a 50 percent chance of rain. Near steady temperature in the lower 60s.
MONDAY
Mostly cloudy. A chance of rain. Highs in the mid 70s. Chance of rain 50 percent.
MONDAY NIGHT
Mostly cloudy with a chance of rain. Lows around 60. Chance of rain 50 percent.
TUESDAY
Mostly cloudy. A chance of rain in the morning, then rain likely in the afternoon. Highs in the mid 70s. Chance of rain 70 percent.
TUESDAY NIGHT
Rain likely. Lows in the upper 40s. Chance of rain 70 percent.

Visible Weather Satellite
ST CLAIR, MI 48079
Infrared Weather Satellite
ST CLAIR, MI 48079
NEXRAD Weather Radar
ST CLAIR, MI 48079

PORT HURON, MI 3 hourly weather forecast

weather forecast created  8:00 PM EDT  4/ 8/2026
Thursday
9 APR 2026
ST CLAIR, MI 48079 weather forecast Day 1, 0 hours 2 AM 45° 40° Mostly Cloudy 2%

0% Thunder
( 2% severe)
S   10 58% 31°
Low 44° ST CLAIR, MI 48079 weather forecast Day 1, 3 hours 5 AM 45° 40° Partly Cloudy S   10 63% 33°
High 67° ST CLAIR, MI 48079 weather forecast Day 1, 6 hours 8 AM 48° 43° Mostly Cloudy 35%
RAIN
.01–.1 in
0% Thunder
( 7% severe)
SSW   12 63% 36°

Mostly Cloudy

Chance of Rain

ST CLAIR, MI 48079 weather forecast Day 1, 9 hours 11 AM 58° 56° Mostly Cloudy SW   12 57% 43°
ST CLAIR, MI 48079 weather forecast Day 1, 12 hours 2 PM 63° 62° Mostly Cloudy 13%
RAIN
.01–.1 in
0% Thunder
( 3% severe)
SW   12 52% 45°
ST CLAIR, MI 48079 weather forecast Day 1, 15 hours 5 PM 65° 65° Partly Cloudy WSW   10 45% 43°
ST CLAIR, MI 48079 weather forecast Day 1, 18 hours 8 PM 58° 58° Partly Cloudy 15%
RAIN
<.01 in
0% Thunder
( 4% severe)
W   5 53% 41°
ST CLAIR, MI 48079 weather forecast Day 1, 21 hours 11 PM 48° 47° Partly Cloudy NNW   2 65% 37°
Friday
10 APR 2026
ST CLAIR, MI 48079 weather forecast Day 2, 0 hours 2 AM 44° 43° Mostly Cloudy 71%
RAIN
***
0% Thunder
( 9% severe)
NNE   1 70% 35°
Low 39° ST CLAIR, MI 48079 weather forecast Day 2, 3 hours 5 AM 42° 41° Mostly Cloudy NNE   1 79% 36°
High 49° ST CLAIR, MI 48079 weather forecast Day 2, 6 hours 8 AM 41° 39° Mostly Cloudy 87%
RAIN
***
0% Thunder
( 4% severe)
NE   1 82% 36°

Mostly Cloudy

Rain Likely

ST CLAIR, MI 48079 weather forecast Day 2, 9 hours 11 AM 44° 42° Mostly Cloudy N   3 79% 38°
ST CLAIR, MI 48079 weather forecast Day 2, 12 hours 2 PM 46° 44° Mostly Cloudy 29%
RAIN
.1–.25 in
0% Thunder
( 1% severe)
N   5 73% 38°
ST CLAIR, MI 48079 weather forecast Day 2, 15 hours 5 PM 46° 43° Mostly Cloudy N   6 68% 36°
ST CLAIR, MI 48079 weather forecast Day 2, 18 hours 8 PM 41° 39° Partly Cloudy 4%

0% Thunder
( 0% severe)
NNE   3 73% 33°
ST CLAIR, MI 48079 weather forecast Day 2, 21 hours 11 PM 37° 35° Mostly Cloudy NNE   1 79% 31°

PORT HURON, MI extended weather forecast

Saturday
11 APR 2026
Sunday
12 APR 2026
Monday
13 APR 2026
Tuesday
14 APR 2026
Wednesday
15 APR 2026
Low 32° Low 38° Low 57° Low 57° Low 55°
High 51° High 71° High 78° High 73° High 71°
ST CLAIR, MI 48079 weather forecast Day 3 ST CLAIR, MI 48079 weather forecast Day 4 ST CLAIR, MI 48079 weather forecast Day 5 ST CLAIR, MI 48079 weather forecast Day 6 ST CLAIR, MI 48079 weather forecast Day 7
Clear
3% Rain
Overcast
37% Rain
Overcast
66% Rain
Overcast
67% Rain
Overcast
73% Rain
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