10-day forecast for Saint Clair, PA: 41° to 73°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Thursday, October 29
67° · 0.34 in
Worst day: Thursday, November 5
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2973° / 46°0
Morning46°feels 43°
Afternoon73°feels 73°
Evening58°feels 57°
Overnight47°feels 44°
73 °
Saint Clair, Thursday, 29 October
Clear. High 73°, low 46°.
Pressure30.24 inHg
Wind6.7 mph SW
Humidity66%
Visibility6.2 mi
Dew point52°
Fri, 3062° / 48°0.03
Morning54°feels 54°
Afternoon61°feels 60°
Evening52°feels 50°
Overnight51°feels 49°
62 °
Saint Clair, Friday, 30 October
Light rain. High 62°, low 48°.
Pressure30.27 inHg
Wind5.6 mph NW
Humidity67%
Visibility6.2 mi
Dew point47°
Sat, 3158° / 42°0
Morning44°feels 42°
Afternoon57°feels 56°
Evening56°feels 54°
Overnight44°feels 42°
58 °
Saint Clair, Saturday, 31 October
Overcast. High 58°, low 42°.
Pressure30.42 inHg
Wind4.6 mph NE
Humidity68%
Visibility6.2 mi
Dew point43°
Sun, 0166° / 49°0
Morning49°feels 49°
Afternoon66°feels 64°
Evening55°feels 54°
Overnight51°feels 50°
66 °
Saint Clair, Sunday, 1 November
Mostly clear. High 66°, low 49°.
Pressure30.33 inHg
Wind5.6 mph SW
Humidity63%
Visibility6.2 mi
Dew point47°
Mon, 0268° / 47°0
Morning53°feels 51°
Afternoon66°feels 65°
Evening56°feels 55°
Overnight51°feels 50°
68 °
Saint Clair, Monday, 2 November
Clear. High 68°, low 47°.
Pressure30.27 inHg
Wind5.2 mph SW
Humidity46%
Visibility—
Dew point44°
Tue, 0362° / 50°0
Morning54°feels 53°
Afternoon61°feels 60°
Evening54°feels 53°
Overnight53°feels 52°
62 °
Saint Clair, Tuesday, 3 November
Overcast. High 62°, low 50°.
Pressure30.06 inHg
Wind14.2 mph E
Humidity63%
Visibility—
Dew point48°
Wed, 0456° / 53°0.01
Morning54°feels 53°
Afternoon55°feels 53°
Evening54°feels 53°
Overnight56°feels 55°
56 °
Saint Clair, Wednesday, 4 November
Light rain. High 56°, low 53°.
Pressure30.09 inHg
Wind13.6 mph SE
Humidity78%
Visibility—
Dew point48°
Thu, 0567° / 57°0.34
Morning63°feels 63°
Afternoon62°feels 63°
Evening59°feels 59°
Overnight59°feels 59°
67 °
Saint Clair, Thursday, 5 November
Rain. High 67°, low 57°.
Pressure29.68 inHg
Wind13.6 mph S
Humidity87%
Visibility—
Dew point59°
Fri, 0659° / 41°0.16
Morning57°feels 57°
Afternoon51°feels 50°
Evening44°feels 39°
Overnight44°feels 41°
59 °
Saint Clair, Friday, 6 November
Light rain. High 59°, low 41°.
Pressure29.65 inHg
Wind15 mph NW
Humidity90%
Visibility—
Dew point51°
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 Saint Clair, PA 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.