10-day forecast for St. Clair, MI: 39° to 68°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Sunday, November 1
50° · 0.1 in
Worst day: Sunday, November 8
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0266° / 48°0.15
Morning52°feels 51°
Afternoon64°feels 63°
Evening58°feels 57°
Overnight49°feels 48°
66 °
St. Clair, Monday, 2 November
Rain. High 66°, low 48°.
Pressure30.24 inHg
Wind8.9 mph S
Humidity60%
Visibility6.2 mi
Dew point50°
Tue, 0368° / 56°0.04
Morning59°feels 58°
Afternoon68°feels 68°
Evening63°feels 62°
Overnight57°feels 56°
68 °
St. Clair, Tuesday, 3 November
Light rain. High 68°, low 56°.
Pressure30.03 inHg
Wind13.6 mph S
Humidity65%
Visibility6.2 mi
Dew point54°
Wed, 0466° / 60°0.09
Morning61°feels 60°
Afternoon62°feels 62°
Evening62°feels 62°
Overnight61°feels 60°
66 °
St. Clair, Wednesday, 4 November
Light rain. High 66°, low 60°.
Pressure29.80 inHg
Wind12.3 mph S
Humidity73%
Visibility5.0 mi
Dew point56°
Thu, 0559° / 50°0.06
Morning52°feels 51°
Afternoon58°feels 57°
Evening53°feels 52°
Overnight56°feels 56°
59 °
St. Clair, Thursday, 5 November
Light rain. High 59°, low 50°.
Pressure29.71 inHg
Wind11.1 mph SW
Humidity67%
Visibility—
Dew point47°
Fri, 0651° / 46°0.06
Morning49°feels 44°
Afternoon48°feels 43°
Evening46°feels 42°
Overnight48°feels 44°
51 °
St. Clair, Friday, 6 November
Light rain. High 51°, low 46°.
Pressure29.94 inHg
Wind15.7 mph N
Humidity67%
Visibility—
Dew point38°
Sat, 0755° / 49°0.01
Morning52°feels 50°
Afternoon54°feels 52°
Evening51°feels 49°
Overnight50°feels 46°
55 °
St. Clair, Saturday, 7 November
Light rain. High 55°, low 49°.
Pressure29.62 inHg
Wind10.6 mph W
Humidity71%
Visibility—
Dew point45°
Sun, 0850° / 46°0.1
Morning46°feels 42°
Afternoon46°feels 42°
Evening47°feels 42°
Overnight46°feels 41°
50 °
St. Clair, Sunday, 8 November
Light rain. High 50°, low 46°.
Pressure29.59 inHg
Wind12.5 mph W
Humidity86%
Visibility—
Dew point42°
Mon, 0948° / 39°0
Morning42°feels 36°
Afternoon47°feels 42°
Evening43°feels 38°
Overnight41°feels 36°
48 °
St. Clair, Monday, 9 November
Partly cloudy. High 48°, low 39°.
Pressure29.74 inHg
Wind14 mph NW
Humidity56%
Visibility—
Dew point32°
Tue, 1057° / 39°0
Morning45°feels 40°
Afternoon55°feels 52°
Evening46°feels 40°
Overnight42°feels 37°
57 °
St. Clair, Tuesday, 10 November
Clear. High 57°, low 39°.
Pressure29.80 inHg
Wind18.4 mph W
Humidity41%
Visibility—
Dew point31°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in St. Clair, MI around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.