ST CLAIR, MI 48079 Weather Forecast & Current Conditions

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PORT HURON, MI
Current Weather

9:35 PM EDT SEP 8, 2025
Clear
50°F
Feels Like: 50°F
Dewpoint: 48°F
Rel. Hum.: 93%
Visibility: 10 miles
Wind: Calm
Pressure: 30.27 inches
Last 72 hours

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ST CLAIR, MI 48079
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TONIGHT
Mostly clear. Lows in the mid 40s. Southeast winds up to 5 mph.
TUESDAY
Mostly sunny. Highs in the mid 70s. South winds up to 10 mph.
TUESDAY NIGHT
Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. Southeast winds up to 5 mph.
WEDNESDAY
Partly cloudy. Highs in the upper 70s. South winds up to 10 mph.
WEDNESDAY NIGHT
Partly cloudy. Lows in the lower 50s. Northeast winds up to 5 mph.
THURSDAY
Mostly sunny. Highs in the upper 70s.
THURSDAY NIGHT
Mostly clear. Lows in the lower 50s.
FRIDAY
Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 70s.
FRIDAY NIGHT
Partly cloudy. Lows in the mid 50s.
SATURDAY
Partly cloudy. Highs in the lower 80s.
SATURDAY NIGHT
Partly cloudy with a chance of showers. Lows in the upper 50s. Chance of rain 30 percent.
SUNDAY
Partly cloudy. Highs in the mid 70s.
SUNDAY NIGHT
Partly cloudy. Lows in the mid 50s.

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 AM EDT  9/ 8/2025
Monday
8 SEP 2025
ST CLAIR, MI 48079 weather forecast Day 1, 12 hours 2 PM 65° 65° Clear 0%

0% Thunder
( 0% severe)
SSW   1 46% 44°
High 67° ST CLAIR, MI 48079 weather forecast Day 1, 15 hours 5 PM 66° 66° Clear S   2 43% 43°
Clear



ST CLAIR, MI 48079 weather forecast Day 1, 18 hours 8 PM 58° 59° Clear 0%

0% Thunder
( 0% severe)
  CALM 64% 46°
ST CLAIR, MI 48079 weather forecast Day 1, 21 hours 11 PM 49° 49° Partly Cloudy   CALM 89% 46°
Tuesday
9 SEP 2025
ST CLAIR, MI 48079 weather forecast Day 2, 0 hours 2 AM 47° 46° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 93% 45°
Low 43° ST CLAIR, MI 48079 weather forecast Day 2, 3 hours 5 AM 44° 43° Partly Cloudy   CALM 100% 44°
High 73° ST CLAIR, MI 48079 weather forecast Day 2, 6 hours 8 AM 48° 47° Partly Cloudy 0%

0% Thunder
( 0% severe)
SE   1 100% 48°

Partly Cloudy



ST CLAIR, MI 48079 weather forecast Day 2, 9 hours 11 AM 68° 68° Clear S   6 57% 52°
ST CLAIR, MI 48079 weather forecast Day 2, 12 hours 2 PM 73° 73° Partly Cloudy 0%

0% Thunder
( 0% severe)
SSW   7 41% 48°
ST CLAIR, MI 48079 weather forecast Day 2, 15 hours 5 PM 72° 72° Clear S   7 43% 48°
ST CLAIR, MI 48079 weather forecast Day 2, 18 hours 8 PM 64° 66° Partly Cloudy 0%

0% Thunder
( 1% severe)
SSE   1 58% 49°
ST CLAIR, MI 48079 weather forecast Day 2, 21 hours 11 PM 53° 53° Partly Cloudy   CALM 83% 48°
Wednesday
10 SEP 2025
ST CLAIR, MI 48079 weather forecast Day 3, 0 hours 2 AM 50° 50° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 93% 48°
Low 48° ST CLAIR, MI 48079 weather forecast Day 3, 3 hours 5 AM 49° 49° Mostly Cloudy   CALM 96% 48°
High 76° ST CLAIR, MI 48079 weather forecast Day 3, 6 hours 8 AM 53° 53° Mostly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 96% 52°

Partly Cloudy



ST CLAIR, MI 48079 weather forecast Day 3, 9 hours 11 AM 70° 70° Partly Cloudy S   2 57% 54°
ST CLAIR, MI 48079 weather forecast Day 3, 15 hours 2 PM 76° 78° Partly Cloudy 0%

0% Thunder
( 1% severe)
SW   2 42% 51°
ST CLAIR, MI 48079 weather forecast Day 3, 18 hours 5 PM 75° 75° Partly Cloudy ENE   2 43% 51°
ST CLAIR, MI 48079 weather forecast Day 3, 21 hours 8 PM 66° 66° Partly Cloudy       CALM 65% 54°

PORT HURON, MI extended weather forecast

Thursday
11 SEP 2025
Friday
12 SEP 2025
Saturday
13 SEP 2025
Sunday
14 SEP 2025
Monday
15 SEP 2025
Low 45° Low 49° Low 53° Low 57° Low 52°
High 79° High 81° High 80° High 71° High 74°
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 <!--SEARCHED_TOWN_NAME--> weather forecast Day 8
Clear
9% Rain
Clear
8% Rain
Partly Cloudy
37% Rain
Mostly Cloudy
35% Rain
Clear
15% Rain
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