Saint Peters, MO Hourly Weather Forecast
Next 48 Hours
Sun, Oct 4th 2026
Clear conditions expected later. Temps range from 56° to 61°. Breezy wind from the N at 7.4 mph, as humidity ranges 61% to 68%, and an avg barometric pressure of 30.23 inHg.
| Sun, Oct 4th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
9 PM Clear UV: 0 |
61°F Feels 56°F |
61% | 8.5 N | 30.21 | 47.6°F | 4% |
10 PM ClearUV: 0 |
58°F Feels 53°F |
64% | 7.2 N | 30.24 | 46.1°F | 4% |
11 PM ClearUV: 0 |
56°F Feels 52°F |
68% | 6.5 NNE | 30.24 | 45.7°F | 5% |
Mon, Oct 5th 2026
Starting off Sunny skies, turning Clear conditions later in the day. Warming trend from 48°F to 76°. Light winds, shifting from NNE to ESE at 5.4 mph, with humidity levels between 24% to 88%, and an avg barometric pressure of 30.22 inHg.
| Mon, Oct 5th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM ClearUV: 0 |
54°F Feels 51°F |
73% | 6.3 NNE | 30.25 | 46°F | 7% |
1 AM ClearUV: 0 |
53°F Feels 50°F |
78% | 6.3 NNE | 30.25 | 46.1°F | 9% |
2 AM ClearUV: 0 |
52°F Feels 49°F |
81% | 6 NNE | 30.25 | 46.1°F | 10% |
3 AM ClearUV: 0 |
51°F Feels 48°F |
84% | 5.6 NNE | 30.26 | 46°F | 11% |
4 AM ClearUV: 0 |
50°F Feels 48°F |
86% | 5.4 NNE | 30.26 | 45.9°F | 12% |
5 AM ClearUV: 0 |
49°F Feels 47°F |
88% | 4.9 NNE | 30.26 | 45.8°F | 12% |
6 AM ClearUV: 0 |
49°F Feels 47°F |
88% | 4.3 NNE | 30.27 | 45.3°F | 12% |
7 AM ClearUV: 0 |
48°F Feels 46°F |
88% | 4.9 NNE | 30.28 | 44.7°F | 12% |
8 AM Sunny UV: 0.2 |
51°F Feels 49°F |
79% | 4.5 NNE | 30.29 | 44.8°F | 9% |
9 AM SunnyUV: 0.8 |
58°F Feels 53°F |
60% | 5.6 NE | 30.29 | 44.2°F | 4% |
10 AM SunnyUV: 2.1 |
63°F Feels 58°F |
47% | 5.8 ENE | 30.28 | 42.7°F | 2% |
11 AM SunnyUV: 3.6 |
68°F Feels 62°F |
38% | 6.3 ENE | 30.27 | 40.8°F | 1% |
12 PM SunnyUV: 4.9 |
71°F Feels 65°F |
32% | 6.5 ENE | 30.25 | 39.1°F | 1% |
1 PM SunnyUV: 5.4 |
73°F Feels 67°F |
28% | 6.3 ENE | 30.23 | 37.9°F | 0% |
2 PM SunnyUV: 4.9 |
75°F Feels 69°F |
25% | 5.8 ENE | 30.2 | 37.1°F | 0% |
3 PM SunnyUV: 3.7 |
76°F Feels 70°F |
24% | 5.4 ENE | 30.17 | 36.5°F | 0% |
4 PM SunnyUV: 2.2 |
76°F Feels 70°F |
24% | 5.1 ENE | 30.14 | 36.4°F | 0% |
5 PM SunnyUV: 0.9 |
75°F Feels 70°F |
25% | 4.7 ENE | 30.13 | 37°F | 0% |
6 PM SunnyUV: 0.2 |
70°F Feels 65°F |
33% | 4.3 ENE | 30.12 | 39.5°F | 1% |
7 PM ClearUV: 0 |
63°F Feels 57°F |
39% | 5.1 NE | 30.14 | 37.8°F | 1% |
8 PM ClearUV: 0 |
60°F Feels 55°F |
44% | 5.4 ENE | 30.15 | 38.6°F | 1% |
9 PM ClearUV: 0 |
59°F Feels 53°F |
48% | 5.1 ENE | 30.15 | 39.1°F | 2% |
10 PM ClearUV: 0 |
58°F Feels 53°F |
50% | 5.1 E | 30.15 | 39.1°F | 2% |
11 PM ClearUV: 0 |
57°F Feels 52°F |
51% | 4.9 ESE | 30.14 | 39.1°F | 2% |
Tue, Oct 6th 2026
Skies will shift from Sunny skies to Clear conditions as the day goes on. Warming trend from 51°F to 81°. Light winds, shifting from ESE to S at 6.3 mph, with humidity levels between 21% to 58%, and an avg barometric pressure of 30.04 inHg.
| Tue, Oct 6th | Temp | Humidity | Wind (mph) | Pressure (inHg) | Dew Point | Precip. |
|---|---|---|---|---|---|---|
12 AM ClearUV: 0 |
57°F Feels 52°F |
52% | 4.3 ESE | 30.14 | 39.3°F | 2% |
1 AM ClearUV: 0 |
56°F Feels 52°F |
54% | 3.8 SE | 30.14 | 39.1°F | 3% |
2 AM ClearUV: 0 |
55°F Feels 51°F |
54% | 4.3 SSE | 30.13 | 38.8°F | 3% |
3 AM ClearUV: 0 |
54°F Feels 50°F |
55% | 5.4 SSE | 30.12 | 38°F | 3% |
4 AM ClearUV: 0 |
53°F Feels 49°F |
55% | 5.6 SSE | 30.11 | 37.2°F | 3% |
5 AM ClearUV: 0 |
52°F Feels 49°F |
56% | 5.4 S | 30.11 | 36.7°F | 3% |
6 AM ClearUV: 0 |
52°F Feels 48°F |
57% | 5.6 S | 30.1 | 36.8°F | 3% |
7 AM ClearUV: 0 |
51°F Feels 48°F |
58% | 5.8 S | 30.1 | 36.9°F | 3% |
8 AM SunnyUV: 0.2 |
54°F Feels 50°F |
56% | 5.6 S | 30.11 | 38.2°F | 3% |
9 AM SunnyUV: 0.8 |
61°F Feels 55°F |
45% | 7.4 S | 30.1 | 39.8°F | 1% |
10 AM SunnyUV: 1.9 |
67°F Feels 60°F |
38% | 7.8 S | 30.09 | 40.9°F | 1% |
11 AM SunnyUV: 3.4 |
71°F Feels 65°F |
33% | 8.1 S | 30.07 | 40.9°F | 1% |
12 PM SunnyUV: 4.6 |
75°F Feels 68°F |
28% | 8.3 S | 30.04 | 39.9°F | 1% |
1 PM SunnyUV: 5.1 |
78°F Feels 71°F |
25% | 7.8 S | 30.01 | 39.2°F | 1% |
2 PM SunnyUV: 4.7 |
80°F Feels 73°F |
23% | 7.6 S | 29.97 | 38.8°F | 1% |
3 PM SunnyUV: 3.5 |
81°F Feels 75°F |
22% | 7.4 SSW | 29.94 | 38.4°F | 1% |
4 PM SunnyUV: 2.1 |
81°F Feels 75°F |
21% | 7.2 SSW | 29.93 | 38.1°F | 1% |
5 PM SunnyUV: 0.9 |
81°F Feels 75°F |
23% | 6.7 S | 29.92 | 39.1°F | 0% |
6 PM SunnyUV: 0.2 |
74°F Feels 69°F |
31% | 5.8 SSE | 29.91 | 41.7°F | 1% |
7 PM ClearUV: 0 |
67°F Feels 62°F |
36% | 6.3 S | 29.92 | 39.9°F | 1% |
8 PM ClearUV: 0 |
65°F Feels 59°F |
39% | 6.7 S | 29.92 | 39.6°F | 1% |
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