Hourly Weather Forecast for St. Clair, Pennsylvania 17970 - The Weather Channel | Weather.com

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Hourly Weather-

As of 3:47 pm EDT

Wednesday, March 18

4 pm

Partly Cloudy

35°

0%

S 8 mph

Partly Cloudy

Feels Like28°
WindS 8 mph
Humidity41%
UV Index2 of 11
Cloud Cover30%
Precip Amount0 in

4:15 pm

Partly Cloudy

35°

0%

S 8 mph

4:30 pm

Partly Cloudy

35°

0%

S 7 mph

5 pm

Partly Cloudy

35°

0%

S 7 mph

Partly Cloudy

Feels Like29°
WindS 7 mph
Humidity40%
UV Index1 of 11
Cloud Cover35%
Precip Amount0 in

6 pm

Partly Cloudy

35°

0%

S 6 mph

Partly Cloudy

Feels Like29°
WindS 6 mph
Humidity41%
UV Index0 of 11
Cloud Cover30%
Precip Amount0 in

7 pm

Partly Cloudy

33°

0%

S 3 mph

Partly Cloudy

Feels Like31°
WindS 3 mph
Humidity42%
UV Index0 of 11
Cloud Cover49%
Precip Amount0 in

8 pm

Partly Cloudy

31°

1%

SSE 2 mph

Partly Cloudy

Feels Like31°
WindSSE 2 mph
Humidity47%
UV Index0 of 11
Cloud Cover34%
Precip Amount0 in

9 pm

Partly Cloudy

31°

1%

SSE 2 mph

Partly Cloudy

Feels Like31°
WindSSE 2 mph
Humidity48%
UV Index0 of 11
Cloud Cover51%
Precip Amount0 in

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10 pm

Partly Cloudy

30°

1%

SE 2 mph

Partly Cloudy

Feels Like30°
WindSE 2 mph
Humidity50%
UV Index0 of 11
Cloud Cover55%
Precip Amount0 in

11 pm

Mostly Cloudy

29°

1%

SE 2 mph

Mostly Cloudy

Feels Like29°
WindSE 2 mph
Humidity52%
UV Index0 of 11
Cloud Cover72%
Precip Amount0 in

Thursday, March 19

12 am

Cloudy

29°

0%

SE 1 mph

Cloudy

Feels Like29°
WindSE 1 mph
Humidity53%
UV Index0 of 11
Cloud Cover85%
Precip Amount0 in

1 am

Cloudy

29°

1%

SE 1 mph

Cloudy

Feels Like29°
WindSE 1 mph
Humidity55%
UV Index0 of 11
Cloud Cover88%
Precip Amount0 in

2 am

Mostly Cloudy

29°

2%

SE 1 mph

Mostly Cloudy

Feels Like29°
WindSE 1 mph
Humidity57%
UV Index0 of 11
Cloud Cover75%
Precip Amount0 in

3 am

Mostly Cloudy

28°

2%

SE 2 mph

Mostly Cloudy

Feels Like28°
WindSE 2 mph
Humidity62%
UV Index0 of 11
Cloud Cover77%
Precip Amount0 in

4 am

Cloudy

28°

3%

SE 2 mph

Cloudy

Feels Like28°
WindSE 2 mph
Humidity63%
UV Index0 of 11
Cloud Cover88%
Precip Amount0 in

5 am

Cloudy

28°

4%

SE 2 mph

Cloudy

Feels Like28°
WindSE 2 mph
Humidity65%
UV Index0 of 11
Cloud Cover93%
Precip Amount0 in

6 am

Cloudy

28°

4%

SE 2 mph

Cloudy

Feels Like28°
WindSE 2 mph
Humidity67%
UV Index0 of 11
Cloud Cover94%
Precip Amount0 in

7 am

Cloudy

28°

5%

SE 2 mph

Cloudy

Feels Like28°
WindSE 2 mph
Humidity69%
UV Index0 of 11
Cloud Cover91%
Precip Amount0 in

8 am

Cloudy

29°

4%

SE 2 mph

Cloudy

Feels Like29°
WindSE 2 mph
Humidity69%
UV Index0 of 11
Cloud Cover93%
Precip Amount0 in

9 am

Cloudy

31°

4%

SE 2 mph

Cloudy

Feels Like31°
WindSE 2 mph
Humidity67%
UV Index0 of 11
Cloud Cover94%
Precip Amount0 in

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10 am

Cloudy

33°

4%

SSE 3 mph

Cloudy

Feels Like30°
WindSSE 3 mph
Humidity62%
UV Index1 of 11
Cloud Cover95%
Precip Amount0 in

11 am

Cloudy

36°

12%

S 4 mph

Cloudy

Feels Like33°
WindS 4 mph
Humidity56%
UV Index1 of 11
Cloud Cover91%
Precip Amount0 in

12 pm

Cloudy

39°

1%

S 5 mph

Cloudy

Feels Like35°
WindS 5 mph
Humidity53%
UV Index3 of 11
Cloud Cover87%
Precip Amount0 in

1 pm

Mostly Cloudy

41°

1%

S 5 mph

Mostly Cloudy

Feels Like38°
WindS 5 mph
Humidity51%
UV Index3 of 11
Cloud Cover79%
Rain Amount0 in

2 pm

Cloudy

43°

1%

SSW 5 mph

Cloudy

Feels Like40°
WindSSW 5 mph
Humidity51%
UV Index3 of 11
Cloud Cover86%
Rain Amount0 in

3 pm

Cloudy

44°

1%

SSW 5 mph

Cloudy

Feels Like42°
WindSSW 5 mph
Humidity51%
UV Index2 of 11
Cloud Cover85%
Rain Amount0 in

4 pm

Cloudy

46°

1%

SW 5 mph

Cloudy

Feels Like44°
WindSW 5 mph
Humidity50%
UV Index2 of 11
Cloud Cover87%
Rain Amount0 in

5 pm

Cloudy

46°

1%

SW 3 mph

Cloudy

Feels Like45°
WindSW 3 mph
Humidity52%
UV Index0 of 11
Cloud Cover91%
Rain Amount0 in

6 pm

Cloudy

45°

3%

SSW 2 mph

Cloudy

Feels Like45°
WindSSW 2 mph
Humidity54%
UV Index0 of 11
Cloud Cover92%
Rain Amount0 in

7 pm

Cloudy

44°

4%

S 1 mph

Cloudy

Feels Like44°
WindS 1 mph
Humidity59%
UV Index0 of 11
Cloud Cover91%
Rain Amount0 in

8 pm

Cloudy

43°

5%

S 0 mph

Cloudy

Feels Like43°
WindS 0 mph
Humidity64%
UV Index0 of 11
Cloud Cover95%
Rain Amount0 in

9 pm

Cloudy

42°

5%

SSE 0 mph

Cloudy

Feels Like42°
WindSSE 0 mph
Humidity66%
UV Index0 of 11
Cloud Cover95%
Rain Amount0 in

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10 pm

Cloudy

41°

6%

W 0 mph

Cloudy

Feels Like41°
WindW 0 mph
Humidity70%
UV Index0 of 11
Cloud Cover93%
Rain Amount0 in

11 pm

Cloudy

40°

6%

WNW 0 mph

Cloudy

Feels Like40°
WindWNW 0 mph
Humidity73%
UV Index0 of 11
Cloud Cover83%
Precip Amount0 in

Friday, March 20

12 am

Mostly Cloudy

39°

7%

W 0 mph

Mostly Cloudy

Feels Like39°
WindW 0 mph
Humidity76%
UV Index0 of 11
Cloud Cover68%
Precip Amount0 in

1 am

Mostly Cloudy

39°

7%

W 0 mph

Mostly Cloudy

Feels Like39°
WindW 0 mph
Humidity77%
UV Index0 of 11
Cloud Cover63%
Precip Amount0 in

2 am

Partly Cloudy

38°

7%

WSW 0 mph

Partly Cloudy

Feels Like38°
WindWSW 0 mph
Humidity79%
UV Index0 of 11
Cloud Cover41%
Precip Amount0 in

3 am

Partly Cloudy

36°

8%

N 0 mph

Partly Cloudy

Feels Like36°
WindN 0 mph
Humidity85%
UV Index0 of 11
Cloud Cover45%
Precip Amount0 in

4 am

Partly Cloudy

36°

8%

E 0 mph

Partly Cloudy

Feels Like36°
WindE 0 mph
Humidity85%
UV Index0 of 11
Cloud Cover55%
Precip Amount0 in

5 am

Partly Cloudy

35°

8%

NE 0 mph

Partly Cloudy

Feels Like35°
WindNE 0 mph
Humidity86%
UV Index0 of 11
Cloud Cover41%
Precip Amount0 in

6 am

Partly Cloudy

34°

9%

NNE 0 mph

Partly Cloudy

Feels Like34°
WindNNE 0 mph
Humidity88%
UV Index0 of 11
Cloud Cover41%
Precip Amount0 in

7 am

Partly Cloudy

33°

9%

E 0 mph

Partly Cloudy

Feels Like33°
WindE 0 mph
Humidity91%
UV Index0 of 11
Cloud Cover44%
Precip Amount0 in

8 am

Partly Cloudy

34°

8%

E 0 mph

Partly Cloudy

Feels Like34°
WindE 0 mph
Humidity87%
UV Index0 of 11
Cloud Cover35%
Precip Amount0 in

9 am

Partly Cloudy

38°

7%

SE 0 mph

Partly Cloudy

Feels Like38°
WindSE 0 mph
Humidity82%
UV Index1 of 11
Cloud Cover47%
Precip Amount0 in

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10 am

Partly Cloudy

42°

5%

SSE 2 mph

Partly Cloudy

Feels Like42°
WindSSE 2 mph
Humidity72%
UV Index2 of 11
Cloud Cover44%
Rain Amount0 in

11 am

Partly Cloudy

46°

3%

S 4 mph

Partly Cloudy

Feels Like45°
WindS 4 mph
Humidity64%
UV Index3 of 11
Cloud Cover55%
Rain Amount0 in

12 pm

Mostly Cloudy

49°

2%

S 5 mph

Mostly Cloudy

Feels Like47°
WindS 5 mph
Humidity58%
UV Index3 of 11
Cloud Cover79%
Rain Amount0 in

1 pm

Mostly Cloudy

52°

1%

SSW 6 mph

Mostly Cloudy

Feels Like50°
WindSSW 6 mph
Humidity55%
UV Index3 of 11
Cloud Cover75%
Rain Amount0 in

2 pm

Mostly Cloudy

54°

15%

SSW 8 mph

Mostly Cloudy

Feels Like52°
WindSSW 8 mph
Humidity53%
UV Index4 of 11
Cloud Cover70%
Rain Amount0 in

3 pm

Cloudy

55°

15%

SSW 8 mph

Cloudy

Feels Like52°
WindSSW 8 mph
Humidity53%
UV Index2 of 11
Cloud Cover80%
Rain Amount0 in

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