Belleville, IL Hourly Weather Forecast
Next 48 Hours
Sun, Sep 27th 2026
Starting off Overcast conditions, turning partly cloudy later in the day. Warming trend from 62°F to 80°. Light winds, shifting from E to E at 5.4 mph, as humidity fluctuates between 30% to 60%, and an avg barometric pressure of 30.02 inHg.
| Sun, Sep 27th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
8 AM Scattered Showers UV: 0.1 |
62°F Feels 59°F |
60% | 4 E | 30.07 | 47.7°F | 14% |
9 AM Overcast UV: 0.4 |
64°F Feels 61°F |
48% | 3.8 E | 30.07 | 44.2°F | 11% |
10 AM OvercastUV: 1.6 |
67°F Feels 63°F |
43% | 4 E | 30.08 | 43.4°F | 10% |
11 AM OvercastUV: 3 |
68°F Feels 64°F |
40% | 3.6 E | 30.08 | 43°F | 10% |
12 PM OvercastUV: 4.4 |
73°F Feels 69°F |
35% | 4 E | 30.05 | 43.8°F | 9% |
1 PM OvercastUV: 4.8 |
77°F Feels 74°F |
32% | 3.8 E | 30.03 | 44.6°F | 9% |
2 PM OvercastUV: 5.1 |
79°F Feels 75°F |
30% | 4 ENE | 30.01 | 45.2°F | 8% |
3 PM Partly Cloudy UV: 3.9 |
79°F Feels 75°F |
31% | 5.6 NE | 29.98 | 45.8°F | 2% |
4 PM Sunny UV: 2.4 |
80°F Feels 75°F |
32% | 6.5 NE | 29.97 | 46.9°F | 1% |
5 PM SunnyUV: 1 |
78°F Feels 74°F |
33% | 6.9 NE | 29.97 | 47.1°F | 1% |
6 PM SunnyUV: 0.3 |
76°F Feels 72°F |
37% | 6.7 NE | 29.98 | 48°F | 2% |
7 PM Cloudy UV: 0 |
72°F Feels 67°F |
41% | 7.6 NE | 29.99 | 47.1°F | 6% |
8 PM Partly Cloudy UV: 0 |
70°F Feels 65°F |
39% | 7.2 NE | 30 | 44.5°F | 4% |
9 PM Partly CloudyUV: 0 |
69°F Feels 64°F |
38% | 6.3 NE | 30.01 | 42.5°F | 3% |
10 PM CloudyUV: 0 |
68°F Feels 62°F |
40% | 6.5 ENE | 30.01 | 42.3°F | 7% |
11 PM Partly CloudyUV: 0 |
69°F Feels 64°F |
39% | 6.3 E | 30.02 | 42.7°F | 3% |
Mon, Sep 28th 2026
Skies will shift from Sunny skies to Clear conditions as the day goes on. Warming trend from 58°F to 81°. Light winds, shifting from E to ESE at 5.8 mph, with humidity levels between 26% to 65%, and an avg barometric pressure of 30.01 inHg.
| Mon, Sep 28th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM Clear UV: 0 |
66°F Feels 61°F |
42% | 7.2 E | 30.02 | 42.8°F | 1% |
1 AM ClearUV: 0 |
64°F Feels 58°F |
44% | 6.7 E | 30.02 | 41.5°F | 1% |
2 AM ClearUV: 0 |
62°F Feels 57°F |
46% | 6 E | 30.03 | 40.7°F | 2% |
3 AM ClearUV: 0 |
61°F Feels 55°F |
48% | 6 E | 30.03 | 41.1°F | 2% |
4 AM ClearUV: 0 |
60°F Feels 55°F |
54% | 5.4 E | 30.04 | 43°F | 3% |
5 AM ClearUV: 0 |
59°F Feels 54°F |
59% | 5.8 E | 30.05 | 44.3°F | 3% |
6 AM ClearUV: 0 |
58°F Feels 54°F |
62% | 5.8 E | 30.05 | 45.1°F | 4% |
7 AM SunnyUV: 0 |
58°F Feels 53°F |
65% | 5.4 E | 30.06 | 45.8°F | 5% |
8 AM SunnyUV: 0.3 |
60°F Feels 56°F |
60% | 4.7 E | 30.07 | 45.7°F | 4% |
9 AM SunnyUV: 1 |
64°F Feels 60°F |
50% | 5.1 E | 30.08 | 44.7°F | 2% |
10 AM SunnyUV: 2.5 |
68°F Feels 64°F |
42% | 6 E | 30.08 | 44.5°F | 1% |
11 AM SunnyUV: 4.2 |
73°F Feels 68°F |
35% | 6.5 E | 30.06 | 43.5°F | 1% |
12 PM SunnyUV: 5.6 |
76°F Feels 71°F |
31% | 5.8 E | 30.04 | 42.8°F | 1% |
1 PM SunnyUV: 6.1 |
78°F Feels 74°F |
28% | 5.6 E | 30.02 | 43.1°F | 1% |
2 PM SunnyUV: 5.6 |
80°F Feels 76°F |
27% | 4.5 ENE | 29.99 | 43.4°F | 1% |
3 PM SunnyUV: 4.2 |
81°F Feels 76°F |
26% | 5.1 ENE | 29.97 | 43.2°F | 1% |
4 PM OvercastUV: 2.5 |
81°F Feels 76°F |
26% | 4.9 NE | 29.96 | 42.8°F | 9% |
5 PM OvercastUV: 1 |
80°F Feels 75°F |
26% | 4.7 ENE | 29.95 | 41.9°F | 9% |
6 PM OvercastUV: 0.2 |
78°F Feels 73°F |
30% | 5.6 ENE | 29.95 | 44.2°F | 9% |
7 PM Overcast UV: 0 |
73°F Feels 68°F |
32% | 5.8 NE | 29.96 | 41.8°F | 9% |
8 PM Partly CloudyUV: 0 |
71°F Feels 65°F |
33% | 6.5 ENE | 29.97 | 40.5°F | 2% |
9 PM ClearUV: 0 |
69°F Feels 62°F |
34% | 7.4 E | 29.98 | 39.5°F | 1% |
10 PM ClearUV: 0 |
68°F Feels 61°F |
34% | 7.4 E | 29.97 | 38.7°F | 1% |
11 PM ClearUV: 0 |
66°F Feels 60°F |
36% | 5.8 ESE | 29.98 | 38.4°F | 1% |
Tue, Sep 29th 2026
Overcast conditions early, becoming Clear conditions later. Temps range from 61° to 66°. Light winds, shifting from ESE to SE at 6.7 mph, as humidity ranges 36% to 48%, and an avg barometric pressure of 29.96 inHg.
| Tue, Sep 29th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM CloudyUV: 0 |
66°F Feels 59°F |
36% | 6.7 ESE | 29.98 | 38.3°F | 7% |
1 AM ClearUV: 0 |
64°F Feels 58°F |
38% | 6 SE | 29.97 | 38°F | 1% |
2 AM Smoky Haze UV: 0 |
64°F Feels 57°F |
40% | 6.5 SE | 29.97 | 38.7°F | 1% |
3 AM ClearUV: 0 |
63°F Feels 57°F |
43% | 6.5 SE | 29.96 | 39.7°F | 1% |
4 AM ClearUV: 0 |
62°F Feels 56°F |
44% | 6.7 SE | 29.95 | 40.2°F | 1% |
5 AM ClearUV: 0 |
62°F Feels 56°F |
45% | 7.2 SE | 29.95 | 40.5°F | 2% |
6 AM OvercastUV: 0 |
61°F Feels 55°F |
47% | 6.9 SSE | 29.96 | 40.8°F | 11% |
7 AM OvercastUV: 0 |
61°F Feels 55°F |
48% | 6.9 SE | 29.97 | 41°F | 11% |
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