10-day forecast for Saint Clair, PA: 35° to 78°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Tuesday, November 3
46° · 0.62 in
Worst day: Thursday, November 12
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 0478° / 55°0.26
Morning57°feels 56°
Afternoon77°feels 77°
Evening64°feels 64°
Overnight58°feels 57°
78 °
Saint Clair, Wednesday, 4 November
Rain. High 78°, low 55°.
Pressure30.00 inHg
Wind4.6 mph S
Humidity50%
Visibility6.2 mi
Dew point53°
Thu, 0569° / 54°0.43
Morning61°feels 62°
Afternoon69°feels 68°
Evening57°feels 56°
Overnight60°feels 61°
69 °
Saint Clair, Thursday, 5 November
Rain. High 69°, low 54°.
Pressure29.88 inHg
Wind11 mph SW
Humidity64%
Visibility6.2 mi
Dew point55°
Fri, 0663° / 49°0
Morning51°feels 51°
Afternoon64°feels 63°
Evening55°feels 54°
Overnight52°feels 51°
63 °
Saint Clair, Friday, 6 November
Overcast. High 63°, low 49°.
Pressure29.91 inHg
Wind5.5 mph SW
Humidity62%
Visibility6.2 mi
Dew point49°
Sat, 0753° / 48°0.13
Morning49°feels 46°
Afternoon52°feels 49°
Evening48°feels 43°
Overnight52°feels 51°
53 °
Saint Clair, Saturday, 7 November
Light rain. High 53°, low 48°.
Pressure29.97 inHg
Wind9.7 mph W
Humidity75%
Visibility6.2 mi
Dew point43°
Sun, 0852° / 45°0
Morning47°feels 44°
Afternoon50°feels 47°
Evening47°feels 42°
Overnight45°feels 40°
52 °
Saint Clair, Sunday, 8 November
Clear. High 52°, low 45°.
Pressure30.00 inHg
Wind11.7 mph W
Humidity50%
Visibility—
Dew point32°
Mon, 0952° / 36°0
Morning41°feels 36°
Afternoon51°feels 47°
Evening42°feels 38°
Overnight38°feels 34°
52 °
Saint Clair, Monday, 9 November
Mostly clear. High 52°, low 36°.
Pressure30.12 inHg
Wind11.1 mph W
Humidity50%
Visibility—
Dew point32°
Tue, 1060° / 38°0
Morning48°feels 43°
Afternoon59°feels 57°
Evening53°feels 52°
Overnight52°feels 49°
60 °
Saint Clair, Tuesday, 10 November
Overcast. High 60°, low 38°.
Pressure29.97 inHg
Wind17.1 mph SW
Humidity56%
Visibility—
Dew point42°
Wed, 1153° / 43°0
Morning46°feels 45°
Afternoon52°feels 50°
Evening47°feels 45°
Overnight45°feels 44°
53 °
Saint Clair, Wednesday, 11 November
Overcast. High 53°, low 43°.
Pressure30.15 inHg
Wind5.5 mph W
Humidity58%
Visibility—
Dew point37°
Thu, 1246° / 35°0.62
Morning43°feels 39°
Afternoon44°feels 40°
Evening40°feels 35°
Overnight36°feels 33°
46 °
Saint Clair, Thursday, 12 November
Rain. High 46°, low 35°.
Pressure30.06 inHg
Wind9.7 mph N
Humidity87%
Visibility—
Dew point41°
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.