Saint Clair, PA Hourly Weather Forecast
Next 48 Hours
Tue, Oct 27th 2026
Sunny skies in the morning, with Overcast conditions expected by night. Warming trend from 43°F to 60°. Light winds, shifting from NNE to NE at 3.9 mph, while humidity ranges from 43% to 90%, and an avg barometric pressure of 30.37 inHg.
| Tue, Oct 27th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
8 AM Sunny UV: 0 |
44°F Feels 41°F |
90% | 5.1 NNE | 30.37 | 40.9°F | 13% |
9 AM SunnyUV: 0.4 |
49°F Feels 48°F |
74% | 3.6 N | 30.38 | 41.4°F | 7% |
10 AM SunnyUV: 1.2 |
53°F Feels 50°F |
61% | 4.5 NNE | 30.38 | 39.6°F | 4% |
11 AM SunnyUV: 2.3 |
55°F Feels 51°F |
52% | 4.7 NNE | 30.39 | 38°F | 2% |
12 PM SunnyUV: 3.3 |
57°F Feels 53°F |
52% | 4.7 N | 30.37 | 39.9°F | 2% |
1 PM SunnyUV: 3.7 |
59°F Feels 54°F |
50% | 4.9 N | 30.35 | 40.6°F | 3% |
2 PM SunnyUV: 3.4 |
60°F Feels 55°F |
43% | 4.5 N | 30.34 | 37.8°F | 2% |
3 PM Partly Cloudy UV: 2.5 |
60°F Feels 56°F |
50% | 4.7 N | 30.33 | 41.5°F | 4% |
4 PM Cloudy UV: 1.3 |
60°F Feels 55°F |
50% | 4.5 N | 30.33 | 41.4°F | 7% |
5 PM CloudyUV: 0.5 |
58°F Feels 55°F |
49% | 2.2 N | 30.34 | 39.4°F | 7% |
6 PM Overcast UV: 0 |
49°F Feels 45°F |
68% | 1.6 NNE | 30.35 | 38.3°F | 16% |
7 PM Overcast UV: 0 |
47°F Feels 42°F |
70% | 2.9 NE | 30.37 | 37.2°F | 18% |
8 PM Partly Cloudy UV: 0 |
45°F Feels 44°F |
70% | 3.4 NNE | 30.39 | 35.8°F | 11% |
9 PM OvercastUV: 0 |
44°F Feels 42°F |
69% | 3.6 NE | 30.4 | 34.8°F | 18% |
10 PM OvercastUV: 0 |
44°F Feels 42°F |
66% | 3.6 NE | 30.41 | 33.2°F | 17% |
11 PM Cloudy UV: 0 |
43°F Feels 41°F |
67% | 3.8 NE | 30.4 | 32.9°F | 13% |
Wed, Oct 28th 2026
Starting off Overcast conditions, turning Clear conditions later in the day. Warming trend from 39°F to 59°. Light winds, shifting from ENE to SSE at 4.1 mph, with humidity levels between 58% to 91%, and an avg barometric pressure of 30.4 inHg.
| Wed, Oct 28th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM OvercastUV: 0 |
43°F Feels 41°F |
66% | 3.6 ENE | 30.42 | 32.3°F | 17% |
1 AM OvercastUV: 0 |
42°F Feels 41°F |
66% | 3.1 E | 30.42 | 32.1°F | 17% |
2 AM Partly CloudyUV: 0 |
41°F Feels 38°F |
71% | 4 E | 30.42 | 32.4°F | 10% |
3 AM Partly CloudyUV: 0 |
41°F Feels 36°F |
70% | 2.7 ESE | 30.42 | 31.8°F | 10% |
4 AM CloudyUV: 0 |
40°F Feels 35°F |
71% | 2.5 ESE | 30.42 | 31.7°F | 13% |
5 AM CloudyUV: 0 |
39°F Feels 34°F |
82% | 2.7 ESE | 30.43 | 33.7°F | 18% |
6 AM CloudyUV: 0 |
39°F Feels 34°F |
75% | 2.7 ESE | 30.44 | 31.8°F | 15% |
7 AM OvercastUV: 0 |
39°F Feels 34°F |
76% | 2.9 ESE | 30.44 | 32.3°F | 22% |
8 AM CloudyUV: 0 |
39°F Feels 37°F |
85% | 3.1 ESE | 30.45 | 34.6°F | 20% |
9 AM OvercastUV: 0.4 |
47°F Feels 43°F |
73% | 2.5 SE | 30.46 | 38.7°F | 20% |
10 AM OvercastUV: 1 |
51°F Feels 49°F |
71% | 3.4 SSE | 30.45 | 41.6°F | 19% |
11 AM CloudyUV: 1.9 |
53°F Feels 50°F |
65% | 4.7 SSE | 30.45 | 41.9°F | 11% |
12 PM OvercastUV: 2.5 |
55°F Feels 51°F |
67% | 6.3 SSE | 30.42 | 44.4°F | 16% |
1 PM OvercastUV: 3 |
57°F Feels 52°F |
64% | 7.2 S | 30.39 | 45.5°F | 16% |
2 PM CloudyUV: 2.6 |
59°F Feels 54°F |
58% | 6.9 S | 30.38 | 44.6°F | 10% |
3 PM OvercastUV: 1.9 |
59°F Feels 54°F |
64% | 8.1 S | 30.36 | 47°F | 16% |
4 PM OvercastUV: 1 |
59°F Feels 54°F |
66% | 7.4 S | 30.36 | 47.4°F | 17% |
5 PM CloudyUV: 0.3 |
58°F Feels 54°F |
65% | 5.6 S | 30.35 | 46°F | 12% |
6 PM SunnyUV: 0 |
48°F Feels 47°F |
86% | 3.6 S | 30.36 | 44.2°F | 12% |
7 PM Clear UV: 0 |
46°F Feels 45°F |
91% | 3.1 SSE | 30.37 | 43.3°F | 14% |
8 PM Partly CloudyUV: 0 |
47°F Feels 46°F |
82% | 3.1 SSE | 30.36 | 41.3°F | 17% |
9 PM ClearUV: 0 |
45°F Feels 42°F |
90% | 2.2 SE | 30.37 | 42°F | 14% |
10 PM ClearUV: 0 |
44°F Feels 41°F |
90% | 2.9 SE | 30.37 | 41.6°F | 14% |
11 PM ClearUV: 0 |
44°F Feels 43°F |
85% | 3.4 SSE | 30.36 | 39.9°F | 11% |
Thu, Oct 29th 2026
A full day of Foggy conditions is expected. Temps range from 42° to 43°. Calm winds from the SSE at 2.5 mph, with humidity ranging 94% to 98%, and an avg barometric pressure of 30.33 inHg.
| Thu, Oct 29th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Mist UV: 0 |
43°F Feels 42°F |
95% | 3.1 SE | 30.35 | 41.9°F | 19% |
1 AM MistUV: 0 |
43°F Feels 39°F |
97% | 2.9 SE | 30.35 | 42°F | 20% |
2 AM ClearUV: 0 |
43°F Feels 39°F |
94% | 2.7 SSE | 30.33 | 40.9°F | 15% |
3 AM Fog UV: 0 |
42°F Feels 39°F |
98% | 2.7 SSE | 30.34 | 41.7°F | 42% |
4 AM FogUV: 0 |
42°F Feels 39°F |
98% | 2.2 SE | 30.33 | 41.4°F | 42% |
5 AM FogUV: 0 |
42°F Feels 38°F |
98% | 2.5 SSE | 30.31 | 40.9°F | 42% |
6 AM FogUV: 0 |
42°F Feels 39°F |
98% | 2 SSE | 30.32 | 41.3°F | 43% |
7 AM FogUV: 0 |
42°F Feels 39°F |
98% | 2 SSE | 30.32 | 41.4°F | 43% |
Ask About Weather
Try our Weather Chatbot. It provides up to 10 days of forecast information!Hourly Weather Nearby
More Local Information
Bookmark and Share
