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As of 10:17 EDT

Weather in St. Clair, PA

52°Current weather

St. Clair, Thursday, 22 October, 10:17

Clear. Feels like 50°. High 62°, low 38°.

Pressure30.09 inHg
Wind3 mph W
Humidity61%
Visibility6.2 mi
Dew point38°

10-day forecast for St. Clair, PA: 35° to 63°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

63°
Best day: Monday, October 26
51°
Worst day: Wednesday, October 28

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

Fri, 2357° / 36°0Clear
MorningClear40°feels 35°
AfternoonClear57°feels 55°
EveningOvercast43°feels 42°
OvernightMostly clear44°feels 39°
57 °Clear

St. Clair, Friday, 23 October

Clear. High 57°, low 36°.

Pressure30.39 inHg
Wind3.6 mph NE
Humidity50%
Visibility6.2 mi
Dew point36°
Sat, 2459° / 35°0Overcast
MorningMostly clear39°feels 39°
AfternoonOvercast59°feels 56°
EveningClear46°feels 46°
OvernightClear36°feels 33°
59 °Overcast

St. Clair, Saturday, 24 October

Overcast. High 59°, low 35°.

Pressure30.53 inHg
Wind1.3 mph SW
Humidity42%
Visibility6.2 mi
Dew point31°
Sun, 2561° / 41°0Clear
MorningClear42°feels 42°
AfternoonClear61°feels 59°
EveningClear47°feels 47°
OvernightClear44°feels 44°
61 °Clear

St. Clair, Sunday, 25 October

Clear. High 61°, low 41°.

Pressure30.56 inHg
Wind1.9 mph SW
Humidity39%
Visibility6.2 mi
Dew point32°
Mon, 2663° / 41°0Clear
MorningClear41°feels 38°
AfternoonClear57°feels 55°
EveningClear60°feels 58°
OvernightClear43°feels 41°
63 °Clear

St. Clair, Monday, 26 October

Clear. High 63°, low 41°.

Pressure30.39 inHg
Wind6.6 mph NW
Humidity56%
Visibility—
Dew point39°
Tue, 2760° / 46°0Mostly clear
MorningMostly clear50°feels 47°
AfternoonMostly clear56°feels 54°
EveningMostly clear57°feels 54°
OvernightMostly clear46°feels 43°
60 °Mostly clear

St. Clair, Tuesday, 27 October

Mostly clear. High 60°, low 46°.

Pressure30.39 inHg
Wind7.7 mph N
Humidity64%
Visibility—
Dew point42°
Wed, 2851° / 41°0Overcast
MorningOvercast43°feels 40°
AfternoonOvercast48°feels 46°
EveningOvercast51°feels 49°
OvernightOvercast47°feels 45°
51 °Overcast

St. Clair, Wednesday, 28 October

Overcast. High 51°, low 41°.

Pressure30.42 inHg
Wind6.3 mph E
Humidity63%
Visibility—
Dew point35°
Thu, 2960° / 46°0Overcast
MorningOvercast49°feels 48°
AfternoonOvercast55°feels 54°
EveningOvercast59°feels 58°
OvernightOvercast53°feels 52°
60 °Overcast

St. Clair, Thursday, 29 October

Overcast. High 60°, low 46°.

Pressure30.21 inHg
Wind9.6 mph S
Humidity76%
Visibility—
Dew point46°
Fri, 3055° / 38°0.01Light rain
MorningLight rain46°feels 40°
AfternoonLight rain47°feels 43°
EveningLight rain49°feels 46°
OvernightLight rain41°feels 38°
55 °Light rain

St. Clair, Friday, 30 October

Light rain. High 55°, low 38°.

Pressure30.21 inHg
Wind11.9 mph N
Humidity56%
Visibility—
Dew point31°
Sat, 3155° / 36°0Mostly clear
MorningMostly clear40°feels 39°
AfternoonMostly clear50°feels 48°
EveningMostly clear50°feels 47°
OvernightMostly clear44°feels 41°
55 °Mostly clear

St. Clair, Saturday, 31 October

Mostly clear. High 55°, low 36°.

Pressure30.45 inHg
Wind6.6 mph S
Humidity51%
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.