St Clairsville, PA Current Weather Conditions
▼Current Conditions — St Clairsville, PA
| JOHNSTOWN (KJST) |
 |
Clear41.0 F |
| Humidity: | 45% |
| Wind Speed: | 0.0 mph |
| Barometer: | 30.46 in |
| Dewpoint: | 21.2 F |
| Visibility: | 10.00 mi |
| Precip: | -- |
| Heat Index: | NA |
| Wind Chill: | NA |
|
| Oct 19 2026, 04:30 AM EDT |
|
|
▼State Weather Snapshot — Pennsylvania
▼Hourly Observation History — St Clairsville, PA
| Time |
Wind (mph) |
Vis (mi) |
Weather |
Precip (in) |
Temperature (F) |
Relative Humidity |
Wind Chill (F) |
Heat Index (F) |
Pressure |
| Air |
Dwpt |
altimeter (in) |
sea level (mb) |
| 04:30 AM EDT |
0.0 |
10.00 |
Clear |
-- |
41.0 |
21.2 |
45% |
NA |
NA |
30.46 |
1031.5 |
| 04:20 AM EDT |
3.4 |
10.00 |
Clear |
-- |
39.2 |
21.2 |
48% |
37.0 |
NA |
30.46 |
1031.5 |
| 04:15 AM EDT |
SW 4.6 |
10.00 |
Clear |
-- |
39.2 |
21.2 |
48% |
35.8 |
NA |
30.46 |
1031.5 |
| 04:10 AM EDT |
SW 4.6 |
10.00 |
Clear |
-- |
39.2 |
21.2 |
48% |
35.8 |
NA |
30.46 |
1031.5 |
| 04:00 AM EDT |
5.7 |
10.00 |
Clear |
-- |
41.0 |
19.4 |
42% |
37.0 |
NA |
30.46 |
1031.5 |
| 03:55 AM EDT |
SW 4.6 |
10.00 |
Clear |
-- |
41.0 |
19.4 |
42% |
37.9 |
NA |
30.46 |
1031.5 |
| 03:25 AM EDT |
SW 3.4 |
10.00 |
Clear |
-- |
39.2 |
24.8 |
56% |
37.0 |
NA |
30.46 |
1031.5 |
| 03:20 AM EDT |
0.0 |
10.00 |
Clear |
-- |
39.2 |
24.8 |
56% |
NA |
NA |
30.46 |
1031.5 |
| 03:15 AM EDT |
0.0 |
10.00 |
Clear |
-- |
39.2 |
23.0 |
52% |
NA |
NA |
30.46 |
1031.5 |
| 03:05 AM EDT |
4.6 |
10.00 |
Clear |
-- |
41.0 |
21.2 |
45% |
37.9 |
NA |
30.47 |
1031.8 |
| 02:55 AM EDT |
W 3.4 |
10.00 |
Clear |
-- |
41.0 |
21.2 |
45% |
39.0 |
NA |
30.47 |
1031.8 |
| 02:45 AM EDT |
0.0 |
10.00 |
Clear |
-- |
41.0 |
21.2 |
45% |
NA |
NA |
30.47 |
1031.8 |
| 02:40 AM EDT |
3.4 |
10.00 |
Clear |
-- |
41.0 |
23.0 |
48% |
39.0 |
NA |
30.47 |
1031.8 |
| 01:54 AM EDT |
0.0 |
10.00 |
Clear |
-- |
NULL |
|
% |
NA |
NA |
30.47 |
1031.8 |
| 01:00 AM EDT |
SW 4.6 |
10.00 |
Clear |
-- |
42.8 |
19.4 |
39% |
40.1 |
NA |
30.48 |
1032.2 |
| 11:54 PM EDT |
5.8 |
10.00 |
Clear |
-- |
NULL |
|
% |
NA |
NA |
30.49 |
1032.5 |
| 11:40 PM EDT |
SW 5.7 |
10.00 |
Clear |
-- |
44.6 |
|
% |
41.4 |
NA |
30.49 |
1032.5 |
| 11:05 PM EDT |
6.9 |
10.00 |
Clear |
-- |
44.6 |
|
% |
40.6 |
NA |
30.50 |
1032.8 |
| 11:00 PM EDT |
5.7 |
10.00 |
Clear |
-- |
44.6 |
23.0 |
42% |
41.4 |
NA |
30.50 |
1032.8 |
| 10:05 PM EDT |
3.4 |
10.00 |
Clear |
-- |
46.4 |
|
% |
45.1 |
NA |
30.50 |
1032.8 |
| 09:55 PM EDT |
SW 6.9 |
10.00 |
Clear |
-- |
46.4 |
24.8 |
42% |
43.0 |
NA |
30.50 |
1032.8 |
| 09:50 PM EDT |
SW 5.7 |
10.00 |
Clear |
-- |
46.4 |
24.8 |
42% |
43.5 |
NA |
30.50 |
1032.8 |
| 09:45 PM EDT |
SW 4.6 |
10.00 |
Clear |
-- |
46.4 |
|
% |
44.2 |
NA |
30.50 |
1032.8 |
| 09:40 PM EDT |
SW 4.6 |
10.00 |
Clear |
-- |
46.4 |
|
% |
44.2 |
NA |
30.51 |
1033.2 |
|
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