Currently: 39 °F. Chilly. (Weather station: Washington Regional Airport, USA). See more current weatherPast Weather in St Clair — Graph
St Clair Temperature Yesterday
Maximum temperature yesterday: 45 °F (at 2:55 pm)
Minimum temperature yesterday: 9 °F (at 12:35 am)
Average temperature yesterday: 28 °F
High & Low Weather Summary for the Past Weeks
| Temperature | Humidity | Pressure | |
|---|---|---|---|
| High | 68 °F (Jan 8, 5:15 pm) | 100% (Jan 7, 1:15 am) | 30.55 "Hg (Jan 7, 1:15 am) |
| Low | 9 °F (Jan 19, 11:35 pm) | 25% (Jan 19, 2:35 pm) | 29.45 "Hg (Jan 8, 4:55 pm) |
| Average | 37 °F | 59% | 30.07 "Hg |
| * Reported Jan 6 8:35 pm — Jan 21 8:55 pm, St Clair. Weather by CustomWeather, © 2026 | |||
Note: Actual official high and low records may vary slightly from our data, if they occured in-between our weather recording intervals... More about our weather records
St Clair Weather History for the Previous 24 Hours
Scroll right to see more
| Conditions | Comfort | |||||||
|---|---|---|---|---|---|---|---|---|
| Time | Temp | Weather | Wind | Humidity | Barometer | Visibility | ||
| 8:55 pm Wed, Jan 21 |  | 36 °F | Chilly. | No wind | ↑ | 48% | 30.16 "Hg | 10 mi |
| 8:35 pm | | 39 °F | Chilly. | No wind | ↑ | 42% | 30.14 "Hg | 10 mi |
| 7:55 pm | | 39 °F | Clear. | No wind | ↑ | 42% | 30.13 "Hg | 10 mi |
| 7:35 pm |  | 39 °F | Passing clouds. | No wind | ↑ | 42% | 30.13 "Hg | 10 mi |
| 6:55 pm | | 41 °F | Clear. | No wind | ↑ | 39% | 30.13 "Hg | 10 mi |
| 6:35 pm | | 41 °F | Clear. | No wind | ↑ | 39% | 30.12 "Hg | 10 mi |
| 6:15 pm | | 41 °F | Clear. | No wind | ↑ | 39% | 30.12 "Hg | 10 mi |
| 5:55 pm | | 41 °F | Clear. | No wind | ↑ | 39% | 30.10 "Hg | 10 mi |
| 5:35 pm | | 43 °F | Clear. | No wind | ↑ | 36% | 30.08 "Hg | 10 mi |
| 4:55 pm | | 45 °F | Quite cool. | 3 mph | ↑ | 34% | 30.07 "Hg | 10 mi |
| 4:35 pm | | 45 °F | Quite cool. | 7 mph | ↑ | 34% | 30.07 "Hg | 10 mi |
| 4:15 pm | | 46 °F | Cool. | 7 mph | ↑ | 32% | 30.07 "Hg | 10 mi |
| 3:55 pm |  | 46 °F | Sunny. | 7 mph | ↑ | 32% | 30.07 "Hg | 10 mi |
| 3:35 pm | | 46 °F | Cool. | 10 mph | ↑ | 32% | 30.06 "Hg | 10 mi |
| 2:55 pm | | 46 °F | Sunny. | 13 mph | ↑ | 32% | 30.08 "Hg | 10 mi |
| 2:35 pm | | 46 °F | Sunny. | 22 mph | ↑ | 32% | 30.07 "Hg | 10 mi |
| 1:55 pm | | 48 °F | Sunny. | 16 mph | ↑ | 32% | 30.06 "Hg | 10 mi |
| 1:35 pm | | 48 °F | Sunny. | 14 mph | ↑ | 34% | 30.07 "Hg | 10 mi |
| 1:15 pm | | 48 °F | Sunny. | 15 mph | ↑ | 34% | 30.07 "Hg | 10 mi |
| 12:55 pm | | 48 °F | Sunny. | 18 mph | ↑ | 34% | 30.07 "Hg | 10 mi |
| 12:35 pm | | 48 °F | Sunny. | 14 mph | ↑ | 34% | 30.08 "Hg | 10 mi |
| 11:55 am | | 46 °F | Sunny. | 12 mph | ↑ | 40% | 30.09 "Hg | 10 mi |
| 11:35 am | | 46 °F | Sunny. | 10 mph | ↑ | 40% | 30.10 "Hg | 10 mi |
| 10:55 am | | 43 °F | Sunny. | 6 mph | ↑ | 46% | 30.10 "Hg | 10 mi |
| 10:35 am | | 43 °F | Sunny. | 9 mph | ↑ | 46% | 30.11 "Hg | 10 mi |
| 10:15 am | | 43 °F | Sunny. | 14 mph | ↑ | 46% | 30.11 "Hg | 10 mi |
| 9:55 am | | 41 °F | Sunny. | 14 mph | ↑ | 49% | 30.11 "Hg | 10 mi |
| 9:35 am | | 41 °F | Sunny. | 13 mph | ↑ | 49% | 30.11 "Hg | 10 mi |
| 8:55 am | | 37 °F | Sunny. | No wind | ↑ | 56% | 30.10 "Hg | 10 mi |
| 8:35 am | | 36 °F | Sunny. | No wind | ↑ | 56% | 30.10 "Hg | 10 mi |
| 7:55 am | | 34 °F | Sunny. | No wind | ↑ | 60% | 30.08 "Hg | 10 mi |
| 7:35 am | | 34 °F | Sunny. | No wind | ↑ | 60% | 30.09 "Hg | 10 mi |
| 7:15 am | | 34 °F | Clear. | No wind | ↑ | 56% | 30.08 "Hg | 10 mi |
| 6:55 am | | 34 °F | Clear. | No wind | ↑ | 56% | 30.07 "Hg | 10 mi |
| 6:35 am | | 34 °F | Clear. | No wind | ↑ | 56% | 30.07 "Hg | 10 mi |
| 5:55 am | | 36 °F | Clear. | No wind | ↑ | 52% | 30.07 "Hg | 10 mi |
| 5:35 am | | 37 °F | Clear. | No wind | ↑ | 48% | 30.06 "Hg | 10 mi |
| 4:55 am | | 37 °F | Passing clouds. | No wind | ↑ | 45% | 30.07 "Hg | 10 mi |
| 4:35 am | | 37 °F | Passing clouds. | No wind | ↑ | 45% | 30.07 "Hg | 10 mi |
| 4:15 am | | 37 °F | Clear. | No wind | ↑ | 45% | 30.08 "Hg | 10 mi |
| 3:55 am | | 37 °F | Clear. | 7 mph | ↑ | 45% | 30.09 "Hg | 10 mi |
| 3:35 am | | 37 °F | Clear. | 6 mph | ↑ | 41% | 30.10 "Hg | 10 mi |
| 2:55 am | | 36 °F | Passing clouds. | No wind | ↑ | 44% | 30.11 "Hg | 10 mi |
| 2:35 am | | 36 °F | Clear. | 6 mph | ↑ | 41% | 30.11 "Hg | 10 mi |
| 2:15 am | | 36 °F | Clear. | No wind | ↑ | 38% | 30.11 "Hg | 10 mi |
| 1:55 am | | 36 °F | Clear. | No wind | ↑ | 38% | 30.12 "Hg | 10 mi |
| 1:35 am | | 34 °F | Clear. | No wind | ↑ | 41% | 30.12 "Hg | 10 mi |
| 12:55 am | | 36 °F | Clear. | No wind | ↑ | 35% | 30.13 "Hg | 10 mi |
| 12:35 am | | 36 °F | Clear. | No wind | ↑ | 32% | 30.14 "Hg | 10 mi |
| 12:15 am | | 36 °F | Clear. | 5 mph | ↑ | 32% | 30.14 "Hg | 10 mi |
| 11:55 pm Tue, Jan 20 | | 36 °F | Clear. | No wind | ↑ | 32% | 30.15 "Hg | 10 mi |
| 11:35 pm | | 36 °F | Clear. | 3 mph | ↑ | 32% | 30.15 "Hg | 10 mi |
| 11:15 pm | | 36 °F | Clear. | 5 mph | ↑ | 30% | 30.15 "Hg | 10 mi |
| 10:55 pm | | 36 °F | Chilly. | 5 mph | ↑ | 30% | 30.14 "Hg | 10 mi |
| 10:35 pm | | 36 °F | Clear. | 10 mph | ↑ | 30% | 30.15 "Hg | 10 mi |
| Weather by CustomWeather, © 2026 | ||||||||