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As of 07:08 EDT

Weather in West St. Clair, PA

70°Current weather

West St. Clair, Sunday, 9 August, 07:08

Partly cloudy. Feels like 70°. High 83°, low 68°.

Pressure30.06 inHg
Wind3.3 mph W
Humidity82%
Visibility6.2 mi
Dew point65°

10-day forecast for West St. Clair, PA: 50° to 83°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

83°
Best day: Sunday, August 9
81° · 0.67 in
Worst day: Tuesday, August 11

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

Mon, 1083° / 65°0.08Rain
MorningOvercast69°feels 70°
AfternoonOvercast80°feels 82°
EveningOvercast76°feels 77°
OvernightPartly cloudy67°feels 66°
83 °Rain

West St. Clair, Monday, 10 August

Rain. High 83°, low 65°.

Pressure30.00 inHg
Wind9.1 mph W
Humidity65%
Visibility6.2 mi
Dew point65°
Tue, 1181° / 64°0.67Heavy rain
MorningOvercast65°feels 66°
AfternoonOvercast81°feels 82°
EveningOvercast71°feels 72°
OvernightLight rain65°feels 66°
81 °Heavy rain

West St. Clair, Tuesday, 11 August

Heavy rain. High 81°, low 64°.

Pressure29.97 inHg
Wind10 mph NW
Humidity70%
Visibility6.2 mi
Dew point64°
Wed, 1279° / 64°0.02Light rain
MorningOvercast66°feels 67°
AfternoonOvercast79°feels 79°
EveningOvercast71°feels 72°
OvernightOvercast65°feels 65°
79 °Light rain

West St. Clair, Wednesday, 12 August

Light rain. High 79°, low 64°.

Pressure29.83 inHg
Wind10.5 mph W
Humidity75%
Visibility6.2 mi
Dew point66°
Thu, 1376° / 58°0.01Light rain
MorningLight rain68°feels 68°
AfternoonLight rain74°feels 73°
EveningLight rain64°feels 62°
OvernightOvercast66°feels 67°
76 °Light rain

West St. Clair, Thursday, 13 August

Light rain. High 76°, low 58°.

Pressure29.88 inHg
Wind15 mph NW
Humidity40%
Visibility—
Dew point48°
Fri, 1472° / 51°0Overcast
MorningOvercast60°feels 59°
AfternoonOvercast70°feels 69°
EveningOvercast61°feels 60°
OvernightOvercast54°feels 53°
72 °Overcast

West St. Clair, Friday, 14 August

Overcast. High 72°, low 51°.

Pressure30.06 inHg
Wind10.2 mph NW
Humidity44%
Visibility—
Dew point46°
Sat, 1571° / 50°0Overcast
MorningOvercast59°feels 58°
AfternoonOvercast69°feels 68°
EveningOvercast59°feels 58°
OvernightOvercast54°feels 53°
71 °Overcast

West St. Clair, Saturday, 15 August

Overcast. High 71°, low 50°.

Pressure30.21 inHg
Wind10.3 mph NW
Humidity37%
Visibility—
Dew point41°
Sun, 1672° / 50°0Overcast
MorningOvercast60°feels 58°
AfternoonOvercast67°feels 66°
EveningOvercast60°feels 59°
OvernightOvercast56°feels 55°
72 °Overcast

West St. Clair, Sunday, 16 August

Overcast. High 72°, low 50°.

Pressure30.18 inHg
Wind7 mph SW
Humidity52%
Visibility—
Dew point48°
Mon, 1778° / 53°0Partly cloudy
MorningPartly cloudy64°feels 64°
AfternoonPartly cloudy76°feels 75°
EveningPartly cloudy64°feels 63°
OvernightPartly cloudy59°feels 58°
78 °Partly cloudy

West St. Clair, Monday, 17 August

Partly cloudy. High 78°, low 53°.

Pressure29.97 inHg
Wind7.2 mph NW
Humidity45%
Visibility—
Dew point52°
Tue, 1880° / 56°0Clear
MorningClear67°feels 67°
AfternoonClear78°feels 78°
EveningClear66°feels 65°
OvernightClear61°feels 61°
80 °Clear

West St. Clair, Tuesday, 18 August

Clear. High 80°, low 56°.

Pressure30.03 inHg
Wind7.1 mph NW
Humidity39%
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 West 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.