St Clair County, MI Weather Forecast & Current Conditions

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St Clair County, MI Weather Maps

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St Clair County Weather Map
UTC Time: 10/4/2026, 05:07
Your Time:
Aeronautical Observation: Automated synoptic observations via NWS Gateway.
Auto-refresh in: 5:02

St Clair County, MI Regional Weather

Expires:202610040600;;498869
ASUS43 KDTX 040501
RWRMI 
MICHIGAN HOURLY REGIONAL WEATHER ROUNDUP
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
100 AM EDT SUN OCT 04 2026

NOTE: "FAIR" INDICATES FEW OR NO CLOUDS BELOW 12,000 FEET WITH NO
SIGNIFICANT WEATHER AND/OR OBSTRUCTION TO VISIBILITY.


MIZ047>049-052>055-059>063-066>070-074>076-081>083-040600-
SOUTHEAST LOWER MICHIGAN
  
CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
ADRIAN         CLEAR     46  45  96 CALM      30.22F TC   8           
ALMA           PTCLDY    50  45  81 S6        30.20R TC  10           
ANN ARBOR        N/A    N/A N/A N/A MISG      30.20F                  
BAD AXE        CLEAR     48  46  93 S6        30.19F TC   9           
CARO           PTCLDY    45  45 100 S2        30.20F TC   7           
DETROIT CITY   CLEAR     49  45  86 CALM      30.21F TC   9           
DETROIT        PTCLDY    50  47  89 CALM      30.21F TC  10           
FLINT          CLEAR     49  45  86 S6        30.21F TC   9           
GROSSE ILE     CLEAR     50  46  87 NE1       30.21F TC  10           
HILLSDALE      PTCLDY    48  45  87 SE5       30.21F TC   9           
HOWELL         CLEAR     46  43  87 SE2       30.21F TC   8           

CITY           SKY/WX    TMP DP  RH WIND       PRES   REMARKS
JACKSON        CLEAR     47  44  90 CALM      30.21F TC   8           
LAMBERTVILLE   CLEAR     46  46 100 SE1       30.21F TC   8           
LANSING        PTCLDY    52  45  77 S5        30.21S TC  11           
LAPEER         PTCLDY    45  45 100 CALM      30.21F TC   7           
MASON          CLEAR     47  43  86 SE3       30.20F TC   9           
MONROE         CLEAR     46  46 100 CALM      30.21F TC   8           
PONTIAC        CLEAR     46  45  96 CALM      30.21F TC   8           
PORT HOPE        N/A     53  47  79 VRB3      30.18F TC  12           
PORT HURON     CLEAR     45  45 100 N1        30.22F TC   7           
TRI CITIES     PTCLDY    52  45  77 S9        30.21S TC  11           
MIDLAND        PTCLDY    52  45  76 S7        30.19S TC  11           
TROY           CLEAR     50  45  81 N1        30.21F TC  10           
SAGINAW HB     PTCLDY    50  46  87 S7        30.19F TC  10           
$$

SKY/WX - Weather  TMP - Temperature  DP - Dew Point  RH - Humidity
WIND - Wind Direction/Speed PRES - Barometric Pressure VSB - Visibility
WCI - Wind Chill Index E13G22 Wind - East Wind 13 mph/Gusts of 22 mph

St Clair County, MI

Tonight
Cloudy
42°6°
0%
Sunday
Cloudy
68°/ 42° 20°/ 6°
0%
Monday
Sunny
62°/ 38° 17°/ 3°
0%
Tuesday
Sunny
62°/ 48° 17°/ 9°
0%
Wednesday
Cloudy
70°/ 45° 21°/ 7°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
0%
Friday
Sunny
68°/ 45° 20°/ 7°
0%
Saturday
Sunny
68°20°
0%

Night: Partly cloudy. Lows in the lower 40s. Southeast winds up to 5 mph.

Warren, MI

Tonight
Clear
45°7°
0%
Sunday
Cloudy
70°/ 45° 21°/ 7°
0%
Monday
Sunny
62°/ 38° 17°/ 3°
0%
Tuesday
Sunny
62°/ 48° 17°/ 9°
0%
Wednesday
Cloudy
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
0%
Friday
Sunny
68°/ 45° 20°/ 7°
0%
Saturday
Sunny
68°20°
0%

Night: Mostly clear. Lows in the mid 40s. East winds up to 5 mph, becoming north early in the morning.

Lapeer, MI

Tonight
Cloudy
38°3°
0%
Sunday
Cloudy
68°/ 38° 20°/ 3°
0%
Monday
Sunny
60°/ 35° 16°/ 2°
0%
Tuesday
Sunny
62°/ 45° 17°/ 7°
0%
Wednesday
Cloudy
70°/ 42° 21°/ 6°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Cloudy
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
68°20°
0%

Night: Mostly clear until early morning, then becoming partly cloudy. Lows in the upper 30s. Southeast winds up to 5 mph until early morning, becoming light and variable.

Pontiac, MI

Tonight
Clear
45°7°
0%
Sunday
Sunny
68°/ 42° 20°/ 6°
0%
Monday
Sunny
60°/ 38° 16°/ 3°
0%
Tuesday
Sunny
62°/ 48° 17°/ 9°
0%
Wednesday
Cloudy
68°/ 45° 20°/ 7°
0%
Thursday
Sunny
65°/ 45° 18°/ 7°
0%
Friday
Sunny
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
68°20°
0%

Night: Mostly clear. Lows in the mid 40s. East winds up to 5 mph, becoming south early in the morning.

Sandusky, MI

Tonight
Rain
40°4°
40%
Sunday
Rain
68°/ 38° 20°/ 3°
30%
Monday
Sunny
58°/ 38° 14°/ 3°
0%
Tuesday
Sunny
62°/ 45° 17°/ 7°
0%
Wednesday
Cloudy
70°/ 42° 21°/ 6°
0%
Thursday
Cloudy
68°/ 42° 20°/ 6°
0%
Friday
Cloudy
65°/ 42° 18°/ 6°
0%
Saturday
Sunny
68°20°
0%

Night: Mostly clear in the evening, then becoming partly cloudy. A chance of rain early in the morning. Lows around 40. Southeast winds up to 5 mph. Chance of rain 40 percent.

Detroit, MI

Tonight
Clear
45°7°
0%
Sunday
Sunny
70°/ 45° 21°/ 7°
0%
Monday
Sunny
62°/ 42° 17°/ 6°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Cloudy
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
68°/ 48° 20°/ 9°
0%
Friday
Sunny
68°/ 48° 20°/ 9°
0%
Saturday
Sunny
70°21°
0%

Night: Mostly clear. Lows in the mid 40s. East winds up to 5 mph, becoming northwest early in the morning.

Flint, MI

Tonight
Clear
42°6°
0%
Sunday
Cloudy
68°/ 38° 20°/ 3°
0%
Monday
Sunny
62°/ 35° 17°/ 2°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Cloudy
70°/ 42° 21°/ 6°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Sunny
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
70°21°
0%

Night: Mostly clear. Lows in the lower 40s. Southeast winds up to 5 mph.

Caro, MI

Tonight
Rain
38°3°
40%
Sunday
Cloudy
68°/ 38° 20°/ 3°
0%
Monday
Sunny
60°/ 35° 16°/ 2°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Cloudy
70°/ 40° 21°/ 4°
0%
Thursday
Cloudy
68°/ 40° 20°/ 4°
0%
Friday
Cloudy
68°/ 40° 20°/ 4°
0%
Saturday
Sunny
70°21°
0%

Night: Mostly clear until early morning, then partly cloudy with a chance of rain early in the morning. Lows in the upper 30s. Southeast winds up to 5 mph. Chance of rain 40 percent.

Ann Arbor, MI

Tonight
Clear
42°6°
0%
Sunday
Sunny
68°/ 42° 20°/ 6°
0%
Monday
Sunny
62°/ 38° 17°/ 3°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Cloudy
70°/ 45° 21°/ 7°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
0%
Friday
Sunny
68°/ 45° 20°/ 7°
0%
Saturday
Sunny
70°21°
0%

Night: Mostly clear. Lows in the lower 40s. East winds up to 5 mph until early morning, becoming light and variable.

Howell, MI

Tonight
Clear
42°6°
0%
Sunday
Sunny
68°/ 42° 20°/ 6°
0%
Monday
Sunny
62°/ 38° 17°/ 3°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Cloudy
68°/ 45° 20°/ 7°
0%
Thursday
Cloudy
65°/ 45° 18°/ 7°
0%
Friday
Cloudy
65°/ 45° 18°/ 7°
0%
Saturday
Sunny
68°20°
0%

Night: Mostly clear. Lows in the lower 40s. Southeast winds up to 5 mph, becoming south early in the morning.

Bad Axe, MI

Tonight
Rain
38°3°
50%
Sunday
Rain
68°/ 38° 20°/ 3°
20%
Monday
Sunny
58°/ 38° 14°/ 3°
0%
Tuesday
Sunny
62°/ 45° 17°/ 7°
0%
Wednesday
Cloudy
68°/ 42° 20°/ 6°
0%
Thursday
Cloudy
65°/ 42° 18°/ 6°
0%
Friday
Cloudy
65°/ 42° 18°/ 6°
0%
Saturday
Sunny
68°20°
0%

Night: Mostly clear, then becoming partly cloudy, then becoming mostly cloudy. A chance of rain early in the morning. Lows in the upper 30s. South winds up to 10 mph. Chance of rain 50 percent.

Monroe, MI

Tonight
Clear
42°6°
0%
Sunday
Sunny
70°/ 45° 21°/ 7°
0%
Monday
Sunny
62°/ 40° 17°/ 4°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
72°/ 48° 22°/ 9°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
0%
Friday
Sunny
68°/ 45° 20°/ 7°
0%
Saturday
Sunny
70°21°
0%

Night: Clear. Lows in the lower 40s. East winds up to 5 mph, becoming northwest early in the morning.

Saginaw, MI

Tonight
Rain
42°6°
40%
Sunday
Cloudy
68°/ 38° 20°/ 3°
0%
Monday
Sunny
62°/ 35° 17°/ 2°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Cloudy
72°/ 42° 22°/ 6°
0%
Thursday
Cloudy
68°/ 42° 20°/ 6°
0%
Friday
Sunny
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
72°22°
0%

Night: Mostly clear until early morning, then partly cloudy with a chance of rain early in the morning. Lows in the lower 40s. South winds up to 5 mph. Chance of rain 40 percent.

Owosso, MI

Tonight
Rain
42°6°
20%
Sunday
Cloudy
68°/ 38° 20°/ 3°
0%
Monday
Sunny
62°/ 35° 17°/ 2°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Cloudy
70°/ 45° 21°/ 7°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Cloudy
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
70°21°
0%

Night: Mostly clear until early morning, then partly cloudy with a slight chance of rain early in the morning. Lows in the lower 40s. South winds up to 5 mph. Chance of rain 20 percent.

Bay City, MI

Tonight
Rain
40°4°
50%
Sunday
Cloudy
68°/ 38° 20°/ 3°
0%
Monday
Sunny
62°/ 35° 17°/ 2°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Cloudy
70°/ 42° 21°/ 6°
0%
Thursday
Cloudy
68°/ 42° 20°/ 6°
0%
Friday
Cloudy
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
68°20°
0%

Night: Mostly clear until early morning, then mostly cloudy with a chance of rain early in the morning. Lows around 40. Southeast winds up to 10 mph, becoming south early in the morning. Chance of rain 50 percent.

Lansing, MI

Tonight
Clear
42°6°
0%
Sunday
Sunny
68°/ 40° 20°/ 4°
0%
Monday
Sunny
62°/ 35° 17°/ 2°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Sunny
68°/ 45° 20°/ 7°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
0%
Friday
Sunny
68°/ 45° 20°/ 7°
0%
Saturday
Sunny
70°21°
0%

Night: Mostly clear. Lows in the lower 40s. Light winds.

Port Clinton, OH

Tonight
Clear
48°9°
0%
Sunday
Sunny
72°/ 50° 22°/ 10°
0%
Monday
Sunny
65°/ 45° 18°/ 7°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Sunny
72°/ 50° 22°/ 10°
0%
Thursday
Sunny
72°/ 50° 22°/ 10°
0%
Friday
Sunny
70°/ 52° 21°/ 11°
0%
Saturday
Sunny
72°22°
0%

Night: Clear. Patchy fog after midnight. Lows in the upper 40s. East winds 5 to 10 mph, becoming southeast after midnight.

Adrian, MI

Tonight
Clear
42°6°
0%
Sunday
Sunny
70°/ 42° 21°/ 6°
0%
Monday
Sunny
65°/ 38° 18°/ 3°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
72°/ 45° 22°/ 7°
0%
Thursday
Sunny
70°/ 45° 21°/ 7°
0%
Friday
Sunny
68°/ 45° 20°/ 7°
0%
Saturday
Sunny
72°22°
0%

Night: Clear. Lows in the lower 40s. East winds up to 5 mph in the evening, becoming light and variable.

Jackson, MI

Tonight
Clear
42°6°
0%
Sunday
Sunny
68°/ 40° 20°/ 4°
0%
Monday
Sunny
62°/ 38° 17°/ 3°
0%
Tuesday
Sunny
65°/ 45° 18°/ 7°
0%
Wednesday
Sunny
70°/ 45° 21°/ 7°
0%
Thursday
Sunny
68°/ 45° 20°/ 7°
0%
Friday
Sunny
68°/ 45° 20°/ 7°
0%
Saturday
Sunny
70°21°
0%

Night: Mostly clear. Lows in the lower 40s. Light winds.

St. Johns, MI

Tonight
Cloudy
42°6°
0%
Sunday
Rain Showers
68°/ 38° 20°/ 3°
20%
Monday
Sunny
62°/ 35° 17°/ 2°
0%
Tuesday
Sunny
65°/ 48° 18°/ 9°
0%
Wednesday
Sunny
70°/ 42° 21°/ 6°
0%
Thursday
Sunny
68°/ 42° 20°/ 6°
0%
Friday
Sunny
68°/ 42° 20°/ 6°
0%
Saturday
Sunny
72°22°
0%

Night: Partly cloudy. Lows in the lower 40s. Light winds.

Names listed above may include county names.

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