ST CLAIR, MI 48079 Weather Forecast & Current Conditions

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PORT HURON, MI
Current Weather

8:35 PM EDT JUN 19, 2026
Broken Clouds
66°F
Feels Like: 66°F
Dewpoint: 54°F
Rel. Hum.: 65%
Visibility: 10 miles
Wind: Calm
Pressure:
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ST CLAIR, MI 48079
Weather Forecast

Snowfall Forecast pages
Snow Depth pages
EARLY THIS EVENING
Partly cloudy early then clearing. A chance of showers and a slight chance of thunderstorms early, then a slight chance of showers in the late afternoon. Near steady temperature in the lower 70s. Northwest winds 5 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.
TONIGHT
Partly cloudy. Lows in the lower 50s. West winds up to 10 mph.
SATURDAY
Mostly cloudy with showers and a chance of thunderstorms. Highs in the lower 70s. West winds up to 10 mph. Chance of rain 80 percent.
SATURDAY NIGHT
Partly cloudy. Lows in the lower 50s. Northwest winds up to 5 mph.
SUNDAY
Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 70s. Northwest winds up to 5 mph, becoming northeast in the afternoon.
SUNDAY NIGHT
A chance of showers in the evening, then showers likely after midnight. Lows in the mid 50s. East winds up to 10 mph. Chance of rain 70 percent.
MONDAY
Mostly cloudy with a chance of showers in the morning, then partly cloudy in the afternoon. Highs in the lower 70s. Chance of rain 50 percent.
MONDAY NIGHT
Partly cloudy. Lows in the lower 50s.
TUESDAY
Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s.
TUESDAY NIGHT
Partly cloudy. Lows in the lower 50s.
WEDNESDAY
Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent.
WEDNESDAY NIGHT
Partly cloudy. A chance of showers. Lows in the mid 50s. Chance of rain 50 percent.
THURSDAY
Partly cloudy. A chance of showers in the morning, then showers likely and a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 60 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 AM EDT  6/19/2026
Friday
19 JUN 2026
ST CLAIR, MI 48079 weather forecast Day 1, 12 hours 2 PM 71° 71° Partly Cloudy 21%
RAIN
***
0% Thunder
( 15% severe)
WNW   12 44% 48°
High 73° ST CLAIR, MI 48079 weather forecast Day 1, 15 hours 5 PM 72° 72° Partly Cloudy WNW   10 41% 47°
Partly Cloudy

Chance of Rain

ST CLAIR, MI 48079 weather forecast Day 1, 18 hours 8 PM 70° 70° Partly Cloudy 1%

0% Thunder
( 4% severe)
NW   6 49% 50°
ST CLAIR, MI 48079 weather forecast Day 1, 21 hours 11 PM 61° 62° Partly Cloudy WNW   2 65% 49°
Saturday
20 JUN 2026
ST CLAIR, MI 48079 weather forecast Day 2, 0 hours 2 AM 56° 56° Mostly Cloudy 11%
RAIN
<.01 in
0% Thunder
( 4% severe)
  CALM 72% 47°
Low 52° ST CLAIR, MI 48079 weather forecast Day 2, 3 hours 5 AM 53° 53° Mostly Cloudy   CALM 77% 46°
High 74° ST CLAIR, MI 48079 weather forecast Day 2, 6 hours 8 AM 58° 59° Mostly Cloudy 37%
RAIN
.1–.25 in
0% Thunder
( 13% severe)
  CALM 75% 50°

Mostly Cloudy

Rain Likely

ST CLAIR, MI 48079 weather forecast Day 2, 9 hours 11 AM 67° 67° Mostly Cloudy WSW   5 54% 50°
ST CLAIR, MI 48079 weather forecast Day 2, 12 hours 2 PM 70° 70° Mostly Cloudy 66%
RAIN
.5–1 in
0% Thunder
( 34% severe)
SW   5 53% 52°
ST CLAIR, MI 48079 weather forecast Day 2, 15 hours 5 PM 71° 71° Mostly Cloudy W   5 51% 52°
ST CLAIR, MI 48079 weather forecast Day 2, 18 hours 8 PM 68° 68° Partly Cloudy 5%

0% Thunder
( 16% severe)
  CALM 61% 54°
ST CLAIR, MI 48079 weather forecast Day 2, 21 hours 11 PM 61° 62° Partly Cloudy   CALM 75% 53°
Sunday
21 JUN 2026
ST CLAIR, MI 48079 weather forecast Day 3, 0 hours 2 AM 56° 56° Partly Cloudy 0%

0% Thunder
( 2% severe)
  CALM 83% 51°
Low 53° ST CLAIR, MI 48079 weather forecast Day 3, 3 hours 5 AM 54° 54° Partly Cloudy   CALM 86% 50°
High 75° ST CLAIR, MI 48079 weather forecast Day 3, 6 hours 8 AM 59° 60° Partly Cloudy 0%

0% Thunder
( 1% severe)
  CALM 80% 53°

Mostly Cloudy



ST CLAIR, MI 48079 weather forecast Day 3, 9 hours 11 AM 68° 68° Partly Cloudy   CALM 57% 52°
ST CLAIR, MI 48079 weather forecast Day 3, 15 hours 2 PM 72° 72° Mostly Cloudy 5%

0% Thunder
( 3% severe)
NW   3 46% 50°
ST CLAIR, MI 48079 weather forecast Day 3, 18 hours 5 PM 72° 72° Mostly Cloudy NE   3 46% 50°
ST CLAIR, MI 48079 weather forecast Day 3, 21 hours 8 PM 69° 69° Mostly Cloudy     ENE   3 55% 52°

PORT HURON, MI extended weather forecast

Monday
22 JUN 2026
Tuesday
23 JUN 2026
Wednesday
24 JUN 2026
Thursday
25 JUN 2026
Friday
26 JUN 2026
Low 51° Low 50° Low 50° Low 52° Low 53°
High 72° High 73° High 72° High 73° High 76°
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
Partly Cloudy
22% Rain
Partly Cloudy
15% Rain
Overcast
47% Rain
Partly Cloudy
34% Rain
Partly Cloudy
29% Rain
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