As of 07:50 EDT

Weather in Upper St. Clair, PA

43°

Upper St. Clair, Saturday, 17 October, 07:50

Light rain. Feels like 37°. High 51°, low 40°.

Pressure30.27 inHg

Wind9.2 mph N

Humidity91%

Visibility6.2 mi

Dew point40°

See detailed hourly forecast

10-day forecast for Upper St. Clair, PA: 37° to 68°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.

68°

Best day: Monday, October 26

51°

Worst day: Saturday, October 17

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

Sun, 1861° / 37°

Morning

38°feels 38°

Afternoon

60°feels 57°

Evening

50°feels 50°

Overnight

39°feels 39°

61 °

Upper St. Clair, Sunday, 18 October

Clear. High 61°, low 37°.

Pressure30.59 inHg

Wind2.2 mph SE

Humidity44%

Visibility6.2 mi

Dew point31°

Mon, 1965° / 39°

Morning

39°feels 39°

Afternoon

64°feels 62°

Evening

52°feels 50°

Overnight

43°feels 41°

65 °

Upper St. Clair, Monday, 19 October

Clear. High 65°, low 39°.

Pressure30.45 inHg

Wind2.8 mph NE

Humidity47%

Visibility6.2 mi

Dew point40°

Tue, 2064° / 40°

Morning

40°feels 38°

Afternoon

64°feels 63°

Evening

54°feels 53°

Overnight

44°feels 42°

64 °

Upper St. Clair, Tuesday, 20 October

Clear. High 64°, low 40°.

Pressure30.39 inHg

Wind3.7 mph NE

Humidity67%

Visibility6.2 mi

Dew point48°

Wed, 2164° / 42°

Morning

48°feels 46°

Afternoon

62°feels 60°

Evening

51°feels 49°

Overnight

47°feels 45°

64 °

Upper St. Clair, Wednesday, 21 October

Clear. High 64°, low 42°.

Pressure30.27 inHg

Wind4.7 mph NE

Humidity46%

Visibility—

Dew point40°

Thu, 2263° / 40°

Morning

46°feels 44°

Afternoon

61°feels 58°

Evening

52°feels 50°

Overnight

48°feels 46°

63 °

Upper St. Clair, Thursday, 22 October

Clear. High 63°, low 40°.

Pressure30.15 inHg

Wind6.3 mph NW

Humidity40%

Visibility—

Dew point35°

Fri, 2363° / 45°

Morning

50°feels 49°

Afternoon

61°feels 59°

Evening

52°feels 50°

Overnight

48°feels 47°

63 °

Upper St. Clair, Friday, 23 October

Clear. High 63°, low 45°.

Pressure30.24 inHg

Wind5.7 mph N

Humidity48%

Visibility—

Dew point40°

Sat, 2463° / 42°

Morning

48°feels 46°

Afternoon

61°feels 59°

Evening

51°feels 49°

Overnight

47°feels 44°

63 °

Upper St. Clair, Saturday, 24 October

Mostly clear. High 63°, low 42°.

Pressure30.33 inHg

Wind6.2 mph E

Humidity39%

Visibility—

Dew point35°

Sun, 2565° / 44°

Morning

50°feels 49°

Afternoon

64°feels 62°

Evening

56°feels 54°

Overnight

52°feels 50°

65 °

Upper St. Clair, Sunday, 25 October

Mostly clear. High 65°, low 44°.

Pressure30.18 inHg

Wind4.6 mph E

Humidity40%

Visibility—

Dew point38°

Mon, 2668° / 50°

Morning

55°feels 53°

Afternoon

67°feels 66°

Evening

60°feels 59°

Overnight

55°feels 54°

68 °

Upper St. Clair, Monday, 26 October

Overcast. High 68°, low 50°.

Pressure30.03 inHg

Wind11.7 mph SW

Humidity49%

Visibility—

Dew point46°

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 Upper 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.