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As of 23:53 EDT

Weather in St. Clair, PA

42°Current weather

St. Clair, Wednesday, 21 October, 23:53

Clear. Feels like 37°. High 62°, low 39°.

Pressure30.12 inHg
Wind7.1 mph N
Humidity87%
Visibility6.2 mi
Dew point38°

10-day forecast for St. Clair, PA: 37° to 64°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

64°
Best day: Tuesday, October 27
54°
Worst day: Thursday, October 29

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

Thu, 2263° / 37°0Clear
MorningClear39°feels 33°
AfternoonClear63°feels 61°
EveningClear50°feels 48°
OvernightClear41°feels 37°
63 °Clear

St. Clair, Thursday, 22 October

Clear. High 63°, low 37°.

Pressure30.12 inHg
Wind11.3 mph N
Humidity53%
Visibility6.2 mi
Dew point39°
Fri, 2358° / 37°0Clear
MorningClear39°feels 33°
AfternoonClear58°feels 56°
EveningOvercast47°feels 47°
OvernightClear43°feels 37°
58 °Clear

St. Clair, Friday, 23 October

Clear. High 58°, low 37°.

Pressure30.39 inHg
Wind3.7 mph NE
Humidity49%
Visibility6.2 mi
Dew point35°
Sat, 2459° / 38°0Partly cloudy
MorningPartly cloudy39°feels 37°
AfternoonMostly clear58°feels 56°
EveningClear46°feels 46°
OvernightClear42°feels 39°
59 °Partly cloudy

St. Clair, Saturday, 24 October

Partly cloudy. High 59°, low 38°.

Pressure30.53 inHg
Wind1.8 mph SW
Humidity43%
Visibility6.2 mi
Dew point32°
Sun, 2560° / 42°0Clear
MorningClear42°feels 42°
AfternoonClear60°feels 57°
EveningClear46°feels 46°
OvernightClear44°feels 44°
60 °Clear

St. Clair, Sunday, 25 October

Clear. High 60°, low 42°.

Pressure30.56 inHg
Wind2.7 mph SW
Humidity43%
Visibility6.2 mi
Dew point33°
Mon, 2663° / 41°0Clear
MorningClear46°feels 43°
AfternoonClear57°feels 55°
EveningClear60°feels 58°
OvernightClear49°feels 47°
63 °Clear

St. Clair, Monday, 26 October

Clear. High 63°, low 41°.

Pressure30.42 inHg
Wind5.1 mph NW
Humidity59%
Visibility—
Dew point40°
Tue, 2764° / 46°0Overcast
MorningOvercast51°feels 49°
AfternoonOvercast58°feels 57°
EveningOvercast57°feels 55°
OvernightOvercast47°feels 45°
64 °Overcast

St. Clair, Tuesday, 27 October

Overcast. High 64°, low 46°.

Pressure30.39 inHg
Wind8.5 mph N
Humidity77%
Visibility—
Dew point49°
Wed, 2861° / 43°0Light rain
MorningLight rain46°feels 46°
AfternoonLight rain55°feels 54°
EveningLight rain58°feels 57°
OvernightLight rain50°feels 49°
61 °Light rain

St. Clair, Wednesday, 28 October

Light rain. High 61°, low 43°.

Pressure30.21 inHg
Wind7.6 mph SW
Humidity80%
Visibility—
Dew point47°
Thu, 2954° / 40°0.01Light rain
MorningLight rain50°feels 48°
AfternoonLight rain49°feels 45°
EveningLight rain50°feels 47°
OvernightLight rain42°feels 40°
54 °Light rain

St. Clair, Thursday, 29 October

Light rain. High 54°, low 40°.

Pressure30.21 inHg
Wind10.2 mph N
Humidity62%
Visibility—
Dew point36°
Fri, 3058° / 37°0Clear
MorningClear41°feels 38°
AfternoonClear52°feels 49°
EveningClear52°feels 50°
OvernightClear40°feels 40°
58 °Clear

St. Clair, Friday, 30 October

Clear. High 58°, low 37°.

Pressure30.36 inHg
Wind3.3 mph N
Humidity49%
Visibility—
Dew point31°

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.