ST CLAIR, MI 48079 Weather Forecast & Current Conditions

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PORT HURON, MI
Current Weather

12:35 PM EDT MAY 30, 2026
Clear
61°F
Feels Like: 60°F
Dewpoint: 39°F
Rel. Hum.: 44%
Visibility: 10 miles
Wind: NNE at 7 mph
Pressure: 30.22 inches
Last 72 hours

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ST CLAIR, MI 48079
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
TODAY
Sunny. Highs in the mid 60s. Northeast winds 5 to 15 mph.
TONIGHT
Clear. Lows in the mid 40s. Northeast winds up to 5 mph with gusts up to 20 mph, becoming northwest after midnight.
SUNDAY
Sunny. Highs in the mid 70s. West winds up to 5 mph.
SUNDAY NIGHT
Mostly clear. Lows around 50. East winds up to 5 mph, becoming north after midnight.
MONDAY
Sunny. Highs in the mid 70s. Northeast winds up to 5 mph, increasing to 5 to 15 mph in the afternoon.
MONDAY NIGHT
Clear. Lows in the upper 40s.
TUESDAY
Sunny. Highs in the lower 70s.
TUESDAY NIGHT
Mostly clear. Lows in the upper 40s.
WEDNESDAY
Sunny. Highs in the upper 70s.
WEDNESDAY NIGHT
Mostly clear. Lows in the mid 50s.
THURSDAY
Mostly sunny. Highs in the mid 80s.
THURSDAY NIGHT
Partly cloudy. Lows around 60.
FRIDAY
Partly cloudy with a 30 percent chance of showers. Highs in the mid 80s.

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  5/29/2026
Saturday
30 MAY 2026
ST CLAIR, MI 48079 weather forecast Day 1, 0 hours 2 AM 55° 53° Clear 0%

0% Thunder
( 0% severe)
NE   8 49% 36°
Low 49° ST CLAIR, MI 48079 weather forecast Day 1, 3 hours 5 AM 50° 47° Clear NE   7 54% 34°
High 65° ST CLAIR, MI 48079 weather forecast Day 1, 6 hours 8 AM 52° 50° Clear 0%

0% Thunder
( 0% severe)
NE   7 56% 37°

Clear



ST CLAIR, MI 48079 weather forecast Day 1, 9 hours 11 AM 58° 57° Clear NNE   7 47% 38°
ST CLAIR, MI 48079 weather forecast Day 1, 12 hours 2 PM 62° 61° Clear 0%

0% Thunder
( 0% severe)
NNE   8 43% 39°
ST CLAIR, MI 48079 weather forecast Day 1, 15 hours 5 PM 62° 61° Clear NNE   9 43% 39°
ST CLAIR, MI 48079 weather forecast Day 1, 18 hours 8 PM 58° 57° Clear 0%

0% Thunder
( 0% severe)
NNE   7 49% 39°
ST CLAIR, MI 48079 weather forecast Day 1, 21 hours 11 PM 50° 50° Clear   CALM 68% 40°
Sunday
31 MAY 2026
ST CLAIR, MI 48079 weather forecast Day 2, 0 hours 2 AM 48° 47° Partly Cloudy 0%

0% Thunder
( 0% severe)
  CALM 77% 41°
Low 45° ST CLAIR, MI 48079 weather forecast Day 2, 3 hours 5 AM 47° 46° Partly Cloudy   CALM 76% 40°
High 74° ST CLAIR, MI 48079 weather forecast Day 2, 6 hours 8 AM 53° 53° Clear 0%

0% Thunder
( 0% severe)
  CALM 69% 43°

Clear



ST CLAIR, MI 48079 weather forecast Day 2, 9 hours 11 AM 66° 66° Clear   CALM 38% 40°
ST CLAIR, MI 48079 weather forecast Day 2, 12 hours 2 PM 70° 70° Clear 0%

0% Thunder
( 1% severe)
WSW   2 34% 40°
ST CLAIR, MI 48079 weather forecast Day 2, 15 hours 5 PM 71° 71° Clear W   3 31% 39°
ST CLAIR, MI 48079 weather forecast Day 2, 18 hours 8 PM 68° 68° Clear 0%

0% Thunder
( 1% severe)
  CALM 40% 43°
ST CLAIR, MI 48079 weather forecast Day 2, 21 hours 11 PM 57° 58° Partly Cloudy   CALM 57% 42°

PORT HURON, MI extended weather forecast

Monday
1 JUN 2026
Tuesday
2 JUN 2026
Wednesday
3 JUN 2026
Thursday
4 JUN 2026
Friday
5 JUN 2026
Low 46° Low 44° Low 42° Low 47° Low 53°
High 74° High 75° High 78° High 79° High 80°
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
Clear
5% Rain
Clear
6% Rain
Clear
9% Rain
Partly Cloudy
22% Rain
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