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As of 22:00 EDT

Weather in St. Clair, PA

74°Current weather

St. Clair, Saturday, 8 August, 22:00

Partly cloudy. Feels like 76°. High 82°, low 67°.

Pressure30.00 inHg
Wind4.2 mph W
Humidity94%
Visibility6.2 mi
Dew point71°

10-day forecast for St. Clair, PA: 52° to 86°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

85°
Best day: Monday, August 10
72° · 0.14 in
Worst day: Monday, August 17

Tap any day below to see morning, afternoon, evening and overnight.

Sun, 0983° / 68°0.02Light rain
MorningMostly clear72°feels 73°
AfternoonClear83°feels 82°
EveningClear72°feels 72°
OvernightPartly cloudy71°feels 72°
83 °Light rain

St. Clair, Sunday, 9 August

Light rain. High 83°, low 68°.

Pressure30.03 inHg
Wind7.9 mph NW
Humidity47%
Visibility6.2 mi
Dew point61°
Mon, 1085° / 68°0.01Light rain
MorningPartly cloudy71°feels 71°
AfternoonOvercast81°feels 82°
EveningOvercast74°feels 75°
OvernightClear69°feels 69°
85 °Light rain

St. Clair, Monday, 10 August

Light rain. High 85°, low 68°.

Pressure30.00 inHg
Wind1.7 mph NW
Humidity73%
Visibility6.2 mi
Dew point65°
Tue, 1186° / 67°0.07Rain
MorningOvercast71°feels 72°
AfternoonOvercast86°feels 86°
EveningOvercast75°feels 76°
OvernightOvercast69°feels 71°
86 °Rain

St. Clair, Tuesday, 11 August

Rain. High 86°, low 67°.

Pressure29.91 inHg
Wind7.3 mph NW
Humidity58%
Visibility6.2 mi
Dew point65°
Wed, 1281° / 65°0.16Light rain
MorningOvercast68°feels 69°
AfternoonOvercast81°feels 83°
EveningLight rain72°feels 72°
OvernightOvercast67°feels 68°
81 °Light rain

St. Clair, Wednesday, 12 August

Light rain. High 81°, low 65°.

Pressure29.74 inHg
Wind8.9 mph NW
Humidity74%
Visibility6.2 mi
Dew point67°
Thu, 1377° / 57°0Mostly clear
MorningMostly clear69°feels 69°
AfternoonMostly clear75°feels 74°
EveningMostly clear64°feels 63°
OvernightMostly clear59°feels 58°
77 °Mostly clear

St. Clair, Thursday, 13 August

Mostly clear. High 77°, low 57°.

Pressure29.83 inHg
Wind12.1 mph NW
Humidity35%
Visibility—
Dew point46°
Fri, 1475° / 52°0Clear
MorningClear62°feels 61°
AfternoonClear72°feels 71°
EveningClear63°feels 62°
OvernightClear58°feels 57°
75 °Clear

St. Clair, Friday, 14 August

Clear. High 75°, low 52°.

Pressure30.03 inHg
Wind10.2 mph NW
Humidity35%
Visibility—
Dew point42°
Sat, 1576° / 53°0Clear
MorningClear63°feels 62°
AfternoonClear73°feels 72°
EveningClear62°feels 62°
OvernightClear58°feels 57°
76 °Clear

St. Clair, Saturday, 15 August

Clear. High 76°, low 53°.

Pressure30.15 inHg
Wind10.4 mph NW
Humidity36%
Visibility—
Dew point44°
Sun, 1677° / 53°0Overcast
MorningOvercast64°feels 63°
AfternoonOvercast75°feels 74°
EveningOvercast63°feels 62°
OvernightOvercast60°feels 59°
77 °Overcast

St. Clair, Sunday, 16 August

Overcast. High 77°, low 53°.

Pressure30.18 inHg
Wind4.4 mph NW
Humidity35%
Visibility—
Dew point45°
Mon, 1772° / 58°0.14Light rain
MorningLight rain63°feels 63°
AfternoonLight rain67°feels 67°
EveningLight rain64°feels 64°
OvernightLight rain62°feels 63°
72 °Light rain

St. Clair, Monday, 17 August

Light rain. High 72°, low 58°.

Pressure30.09 inHg
Wind10.2 mph S
Humidity84%
Visibility—
Dew point61°

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, 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.