St Clairsville, PA Current Weather Conditions
▼Current Conditions — St Clairsville, PA
| JOHNSTOWN (KJST) |
 |
Mostly Clear69.8 F |
| Humidity: | 88% |
| Wind Speed: | SW 6.9 mph |
| Barometer: | 30.17 in |
| Dewpoint: | 66.2 F |
| Visibility: | 10.00 mi |
| Precip: | -- |
| Heat Index: | NA |
| Wind Chill: | NA |
|
| Aug 8 2026, 12:05 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) |
| 12:05 AM EDT |
SW 6.9 |
10.00 |
Mostly Clear |
-- |
69.8 |
66.2 |
88% |
NA |
NA |
30.17 |
1021.7 |
| 11:50 PM EDT |
SW 5.7 |
10.00 |
Clear |
-- |
69.8 |
66.2 |
88% |
NA |
NA |
30.16 |
1021.3 |
| 11:45 PM EDT |
5.7 |
10.00 |
Clear |
-- |
69.8 |
66.2 |
88% |
NA |
NA |
30.16 |
1021.3 |
| 11:40 PM EDT |
4.6 |
10.00 |
Clear |
-- |
69.8 |
66.2 |
88% |
NA |
NA |
30.16 |
1021.3 |
| 11:30 PM EDT |
5.7 |
10.00 |
Clear |
-- |
69.8 |
66.2 |
88% |
NA |
NA |
30.16 |
1021.3 |
| 11:25 PM EDT |
SW 5.7 |
10.00 |
Clear |
-- |
69.8 |
66.2 |
88% |
NA |
NA |
30.16 |
1021.3 |
| 11:20 PM EDT |
5.7 |
10.00 |
Clear |
-- |
69.8 |
64.4 |
83% |
NA |
NA |
30.16 |
1021.3 |
| 11:15 PM EDT |
5.7 |
10.00 |
Clear |
-- |
69.8 |
64.4 |
83% |
NA |
NA |
30.16 |
1021.3 |
| 11:05 PM EDT |
5.7 |
10.00 |
Clear |
-- |
68.0 |
64.4 |
88% |
NA |
NA |
30.17 |
1021.7 |
| 10:50 PM EDT |
S 5.7 |
10.00 |
Clear |
-- |
69.8 |
64.4 |
83% |
NA |
NA |
30.17 |
1021.7 |
| 10:45 PM EDT |
S 4.6 |
10.00 |
Clear |
-- |
69.8 |
64.4 |
83% |
NA |
NA |
30.17 |
1021.7 |
| 10:40 PM EDT |
S 5.7 |
10.00 |
Clear |
-- |
69.8 |
64.4 |
83% |
NA |
NA |
30.18 |
1022.0 |
| 10:35 PM EDT |
S 4.6 |
10.00 |
Clear |
-- |
69.8 |
64.4 |
83% |
NA |
NA |
30.18 |
1022.0 |
| 10:30 PM EDT |
5.7 |
10.00 |
Clear |
-- |
68.0 |
64.4 |
88% |
NA |
NA |
30.18 |
1022.0 |
| 10:25 PM EDT |
S 4.6 |
10.00 |
Clear |
-- |
68.0 |
64.4 |
88% |
NA |
NA |
30.18 |
1022.0 |
| 10:15 PM EDT |
S 5.7 |
10.00 |
Clear |
-- |
69.8 |
64.4 |
83% |
NA |
NA |
30.18 |
1022.0 |
| 10:10 PM EDT |
S 4.6 |
10.00 |
Clear |
-- |
69.8 |
62.6 |
78% |
NA |
NA |
30.18 |
1022.0 |
| 10:05 PM EDT |
S 5.7 |
10.00 |
Clear |
-- |
69.8 |
62.6 |
78% |
NA |
NA |
30.18 |
1022.0 |
| 10:00 PM EDT |
S 5.7 |
10.00 |
Clear |
-- |
69.8 |
62.6 |
78% |
NA |
NA |
30.17 |
1021.7 |
| 09:50 PM EDT |
S 5.7 |
10.00 |
Clear |
-- |
69.8 |
62.6 |
78% |
NA |
NA |
30.17 |
1021.7 |
| 09:40 PM EDT |
S 6.9 |
10.00 |
Clear |
-- |
68.0 |
64.4 |
88% |
NA |
NA |
30.17 |
1021.7 |
| 09:35 PM EDT |
S 5.7 |
10.00 |
Clear |
-- |
68.0 |
64.4 |
88% |
NA |
NA |
30.17 |
1021.7 |
| 09:30 PM EDT |
S 5.7 |
10.00 |
Clear |
-- |
68.0 |
64.4 |
88% |
NA |
NA |
30.17 |
1021.7 |
| 09:25 PM EDT |
S 5.7 |
10.00 |
Clear |
-- |
68.0 |
64.4 |
88% |
NA |
NA |
30.17 |
1021.7 |
|
▼Nearby Weather Stations
🔔 Get instant severe weather alerts for St Clairsville, PA — Subscribe to receive notifications by email, SMS, or voice call.