As of 09:02 EDT

Weather in St. Clair, PA

61°Current weather

St. Clair, Tuesday, 13 October, 09:02

Clear. Feels like 61°. High 73°, low 53°.

Pressure29.97 inHg
Wind4.3 mph S
Humidity99%
Visibility6.2 mi
Dew point59°

10-day forecast for St. Clair, PA: 36° to 73°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

73°
Best day: Tuesday, October 13
66° · 0.46 in
Worst day: Thursday, October 15

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

Wed, 1470° / 57°0.04Light rain
MorningClear61°feels 62°
AfternoonOvercast69°feels 69°
EveningLight rain65°feels 65°
OvernightClear64°feels 65°
70 °Light rain

St. Clair, Wednesday, 14 October

Light rain. High 70°, low 57°.

Pressure29.94 inHg
Wind8.8 mph W
Humidity87%
Visibility4.4 mi
Dew point65°
Thu, 1566° / 52°0.46Heavy rain
MorningOvercast52°feels 51°
AfternoonClear65°feels 63°
EveningOvercast57°feels 56°
OvernightOvercast53°feels 52°
66 °Heavy rain

St. Clair, Thursday, 15 October

Heavy rain. High 66°, low 52°.

Pressure30.24 inHg
Wind2.4 mph NE
Humidity61%
Visibility6.2 mi
Dew point46°
Fri, 1673° / 53°0.41Rain
MorningOvercast61°feels 62°
AfternoonLight rain73°feels 74°
EveningLight rain56°feels 55°
OvernightLight rain55°feels 55°
73 °Rain

St. Clair, Friday, 16 October

Rain. High 73°, low 53°.

Pressure29.59 inHg
Wind14.3 mph SW
Humidity90%
Visibility4.9 mi
Dew point66°
Sat, 1747° / 39°0.01Light rain
MorningOvercast43°feels 36°
AfternoonLight rain45°feels 38°
EveningLight rain44°feels 37°
OvernightPartly cloudy47°feels 40°
47 °Light rain

St. Clair, Saturday, 17 October

Light rain. High 47°, low 39°.

Pressure30.21 inHg
Wind18.1 mph NW
Humidity62%
Visibility—
Dew point33°
Sun, 1858° / 36°0Clear
MorningClear40°feels 36°
AfternoonClear52°feels 49°
EveningClear54°feels 51°
OvernightClear40°feels 37°
58 °Clear

St. Clair, Sunday, 18 October

Clear. High 58°, low 36°.

Pressure30.47 inHg
Wind8.1 mph W
Humidity52%
Visibility—
Dew point32°
Mon, 1954° / 37°0Overcast
MorningOvercast41°feels 40°
AfternoonOvercast50°feels 48°
EveningOvercast52°feels 50°
OvernightOvercast43°feels 43°
54 °Overcast

St. Clair, Monday, 19 October

Overcast. High 54°, low 37°.

Pressure30.50 inHg
Wind8 mph S
Humidity50%
Visibility—
Dew point30°
Tue, 2064° / 46°0Overcast
MorningOvercast49°feels 49°
AfternoonOvercast58°feels 57°
EveningOvercast60°feels 59°
OvernightOvercast49°feels 49°
64 °Overcast

St. Clair, Tuesday, 20 October

Overcast. High 64°, low 46°.

Pressure30.45 inHg
Wind3.8 mph SW
Humidity65%
Visibility—
Dew point44°
Wed, 2168° / 47°0Mostly clear
MorningMostly clear51°feels 51°
AfternoonMostly clear63°feels 62°
EveningMostly clear62°feels 61°
OvernightMostly clear51°feels 49°
68 °Mostly clear

St. Clair, Wednesday, 21 October

Mostly clear. High 68°, low 47°.

Pressure30.39 inHg
Wind2.9 mph N
Humidity53%
Visibility—
Dew point43°
Thu, 2265° / 49°0Partly cloudy
MorningPartly cloudy53°feels 53°
AfternoonPartly cloudy63°feels 61°
EveningPartly cloudy61°feels 61°
OvernightPartly cloudy51°feels 50°
65 °Partly cloudy

St. Clair, Thursday, 22 October

Partly cloudy. High 65°, low 49°.

Pressure30.33 inHg
Wind4.3 mph S
Humidity57%
Visibility—
Dew point45°

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.