Weather in O'Fallon Missouri, United States. 15 days forecast
Current weather conditions
Sky / Temperature 48°F | Wind 7 mi/h | Atmospheric pressure1020 hPa | Humidity87% | Wind chill43°F | Dewpoint45°F |
Updated: 4/04/2025 at 05:54 (Local time)
Weather Station: St. Louis, Spirit Of St. Louis Airport
°F°C
mi/hkm/h
Weather forecast 15 days
15-day weather forecast with temperatures, sky state, wind speed and direction, cloud percentage, probability of precipitation, accumulated precipitation, humidity, atmospheric pressure, sunrise and sunset times, moonrise and moonset times, and daily moon phase. Weather forecast for O'Fallon.
Today, april 4
57°F48°F
6:4619:27
11:1402:16
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 09:00 | 50°F | 8 mi/h | 1021 hPa | 79% | 93% | 12% | 0.5 mm |
| 12:00 | 54°F | 8 mi/h | 1020 hPa | 79% | 97% | 67% | 0.5 mm |
| 13:00 | 54°F | 8 mi/h | 1020 hPa | 80% | 99% | 74% | 0.5 mm |
| 15:00 | 55°F |  8 mi/h | 1016 hPa | 78% | 98% | 85% | 3.5 mm |
| 16:00 | 55°F | 8 mi/h | 1015 hPa | 83% | 97% | 90% | 3.5 mm |
| 18:00 | 57°F | 7 mi/h | 1014 hPa | 80% | 97% | 97% | 3.5 mm |
| 21:00 | 55°F | 8 mi/h | 1013 hPa | 84% | 99% | 100% | 5.1 mm |
Tomorrow, april 5
55°F45°F
6:4519:28
12:2103:08
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 55°F |  7 mi/h | 1013 hPa | 80% | 100% | 92% | 5.1 mm |
| 03:00 | 54°F |  9 mi/h | 1014 hPa | 80% | 100% | 74% | 0.9 mm |
| 06:00 | 50°F | 11 mi/h | 1016 hPa | 86% | 94% | 60% | 0.9 mm |
| 09:00 | 48°F | 10 mi/h | 1018 hPa | 95% | 89% | 55% | 1 mm |
| 12:00 | 48°F | 12 mi/h | 1019 hPa | 95% | 90% | 88% | 1 mm |
| 15:00 | 48°F | 13 mi/h | 1017 hPa | 89% | 90% | 95% | 1.4 mm |
| 18:00 | 50°F | 12 mi/h | 1018 hPa | 82% | 91% | 95% | 1.4 mm |
| 21:00 | 46°F | 12 mi/h | 1018 hPa | 82% | 93% | 63% | 0 mm |
Sunday, april 6
48°F36°F
6:4319:29
13:3003:48
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 45°F | 13 mi/h | 1019 hPa | 81% | 89% | 63% | 0 mm |
| 03:00 | 41°F | 14 mi/h | 1020 hPa | 76% | 88% | 63% | 0.1 mm |
| 06:00 | 37°F | 14 mi/h | 1021 hPa | 75% | 82% | 43% | 0.1 mm |
| 09:00 | 37°F | 12 mi/h | 1022 hPa | 74% | 73% | 34% | 0 mm |
| 12:00 | 41°F | 11 mi/h | 1022 hPa | 64% | 69% | 28% | 0 mm |
| 15:00 | 46°F | 9 mi/h | 1020 hPa | 54% | 62% | 10% | 0 mm |
| 18:00 | 48°F | 6 mi/h | 1019 hPa | 53% | 48% | 0% | 0 mm |
| 21:00 | 45°F | 4 mi/h | 1017 hPa | 61% | 32% | 0% | 0 mm |
Monday, april 7
56°F36°F
6:4219:30
14:3504:20
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 39°F | 4 mi/h | 1016 hPa | 73% | 15% | 0% | 0 mm |
| 03:00 | 37°F | 4 mi/h | 1016 hPa | 77% | 11% | 0% | 0 mm |
| 06:00 | 36°F | 5 mi/h | 1015 hPa | 79% | 12% | 0% | 0 mm |
| 09:00 | 43°F |  7 mi/h | 1016 hPa | 67% | 13% | 0% | 0 mm |
| 12:00 | 54°F | 9 mi/h | 1015 hPa | 49% | 15% | 0% | 0 mm |
| 15:00 | 54°F | 10 mi/h | 1013 hPa | 45% | 21% | 0% | 0 mm |
| 18:00 | 52°F | 9 mi/h | 1012 hPa | 47% | 30% | 0% | 0 mm |
| 21:00 | 45°F | 8 mi/h | 1016 hPa | 54% | 25% | 0% | 0 mm |
Tuesday, april 8
51°F29°F
6:4019:31
15:3904:47
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 37°F | 6 mi/h | 1018 hPa | 64% | 14% | 0% | 0 mm |
| 03:00 | 34°F | 5 mi/h | 1019 hPa | 70% | 8% | 0% | 0 mm |
| 06:00 | 30°F | 4 mi/h | 1020 hPa | 74% | 5% | 0% | 0 mm |
| 09:00 | 36°F | 4 mi/h | 1021 hPa | 63% | 4% | 0% | 0 mm |
| 12:00 | 45°F | 4 mi/h | 1020 hPa | 46% | 3% | 0% | 0 mm |
| 15:00 | 48°F | 4 mi/h | 1017 hPa | 42% | 9% | 0% | 0 mm |
| 18:00 | 50°F | 4 mi/h | 1015 hPa | 44% | 17% | 0% | 0 mm |
| 21:00 | 46°F |  4 mi/h | 1014 hPa | 55% | 30% | 0% | 0 mm |
Wednesday, april 9
59°F39°F
6:3919:32
16:4005:10
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 41°F | 5 mi/h | 1012 hPa | 68% | 44% | 0% | 0 mm |
| 03:00 | 39°F | 6 mi/h | 1009 hPa | 76% | 50% | 0% | 0 mm |
| 06:00 | 39°F | 7 mi/h | 1008 hPa | 81% | 52% | 10% | 0 mm |
| 09:00 | 45°F | 8 mi/h | 1012 hPa | 73% | 52% | 14% | 0.3 mm |
| 12:00 | 55°F | 9 mi/h | 1016 hPa | 58% | 52% | 14% | 0 mm |
| 15:00 | 59°F |  9 mi/h | 1019 hPa | 53% | 52% | 14% | 0 mm |
| 18:00 | 59°F | 8 mi/h | 1022 hPa | 53% | 53% | 14% | 0.3 mm |
| 21:00 | 55°F | 7 mi/h | 1024 hPa | 62% | 52% | 30% | 0 mm |
Thursday, april 10
68°F46°F
6:3719:33
17:4005:31
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 50°F | 7 mi/h | 1024 hPa | 75% | 51% | 30% | 0 mm |
| 03:00 | 48°F |  7 mi/h | 1025 hPa | 83% | 54% | 30% | 0 mm |
| 06:00 | 46°F | 7 mi/h | 1025 hPa | 87% | 59% | 30% | 0 mm |
| 09:00 | 52°F | 8 mi/h | 1026 hPa | 77% | 53% | 32% | 0.3 mm |
| 12:00 | 63°F | 9 mi/h | 1024 hPa | 58% | 43% | 32% | 0.1 mm |
| 15:00 | 66°F | 9 mi/h | 1021 hPa | 50% | 41% | 0% | 0 mm |
| 18:00 | 64°F | 7 mi/h | 1019 hPa | 52% | 33% | 0% | 0 mm |
| 21:00 | 59°F | 6 mi/h | 1018 hPa | 63% | 29% | 0% | 0 mm |
Friday, april 11
67°F49°F
6:3619:34
18:3805:51
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 54°F | 6 mi/h | 1016 hPa | 71% | 22% | 0% | 0 mm |
| 03:00 | 50°F | 6 mi/h | 1014 hPa | 76% | 24% | 0% | 0 mm |
| 06:00 | 50°F | 6 mi/h | 1014 hPa | 78% | 29% | 0% | 0 mm |
| 09:00 | 55°F | 7 mi/h | 1014 hPa | 69% | 23% | 0% | 0 mm |
| 12:00 | 64°F | 9 mi/h | 1014 hPa | 53% | 20% | 0% | 0 mm |
| 15:00 | 66°F | 9 mi/h | 1013 hPa | 48% | 23% | 0% | 0 mm |
| 18:00 | 66°F | 7 mi/h | 1014 hPa | 49% | 25% | 0% | 0 mm |
| 21:00 | 61°F | 6 mi/h | 1016 hPa | 56% | 23% | 0% | 0 mm |
Saturday, april 12
67°F48°F
6:3419:35
19:3806:11
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 55°F | 6 mi/h | 1018 hPa | 68% | 18% | 0% | 0 mm |
| 03:00 | 52°F | 6 mi/h | 1020 hPa | 75% | 18% | 0% | 0 mm |
| 06:00 | 48°F | 6 mi/h | 1022 hPa | 80% | 20% | 0% | 0 mm |
| 09:00 | 55°F | 4 mi/h | 1023 hPa | 67% | 18% | 0% | 0 mm |
| 12:00 | 64°F | 7 mi/h | 1023 hPa | 50% | 14% | 0% | 0 mm |
| 15:00 | 68°F | 6 mi/h | 1022 hPa | 45% | 15% | 0% | 0 mm |
| 18:00 | 68°F | 6 mi/h | 1021 hPa | 45% | 19% | 0% | 0 mm |
| 21:00 | 63°F | 7 mi/h | 1022 hPa | 52% | 24% | 0% | 0 mm |
Sunday, april 13
71°F52°F
6:3319:36
20:3806:32
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 57°F | 7 mi/h | 1022 hPa | 64% | 29% | 0% | 0 mm |
| 03:00 | 55°F | 7 mi/h | 1022 hPa | 71% | 29% | 0% | 0 mm |
| 06:00 | 52°F | 6 mi/h | 1023 hPa | 75% | 25% | 0% | 0 mm |
| 09:00 | 57°F | 7 mi/h | 1023 hPa | 65% | 26% | 0% | 0 mm |
| 12:00 | 66°F | 10 mi/h | 1021 hPa | 51% | 28% | 0% | 0 mm |
| 15:00 | 70°F | 10 mi/h | 1018 hPa | 47% | 31% | 0% | 0 mm |
| 18:00 | 70°F | 9 mi/h | 1016 hPa | 46% | 35% | 0% | 0 mm |
| 21:00 | 68°F | 8 mi/h | 1015 hPa | 53% | 35% | 0% | 0 mm |
Monday, april 14
79°F58°F
6:3119:37
21:4006:57
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 63°F | 7 mi/h | 1015 hPa | 63% | 32% | 0% | 0 mm |
| 03:00 | 59°F | 7 mi/h | 1014 hPa | 69% | 36% | 0% | 0 mm |
| 06:00 | 59°F | 7 mi/h | 1014 hPa | 72% | 43% | 0% | 0 mm |
| 09:00 | 64°F | 9 mi/h | 1015 hPa | 64% | 44% | 0% | 0 mm |
| 12:00 | 72°F | 10 mi/h | 1015 hPa | 53% | 42% | 0% | 0 mm |
| 15:00 | 77°F | 12 mi/h | 1014 hPa | 47% | 77% | 0% | 0 mm |
| 18:00 | 73°F | 11 mi/h | 1014 hPa | 57% | 88% | 0% | 0 mm |
| 21:00 | 66°F | 9 mi/h | 1015 hPa | 71% | 95% | 0% | 0 mm |
Tuesday, april 15
81°F60°F
6:3019:38
22:4207:25
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 63°F | 7 mi/h | 1016 hPa | 82% | 93% | 0% | 0 mm |
| 03:00 | 61°F | 6 mi/h | 1017 hPa | 90% | 44% | 0% | 0 mm |
| 06:00 | 61°F | 6 mi/h | 1018 hPa | 92% | 10% | 0% | 0 mm |
| 09:00 | 68°F | 9 mi/h | 1020 hPa | 72% | 5% | 0% | 0 mm |
| 12:00 | 77°F | 12 mi/h | 1019 hPa | 48% | 6% | 0% | 0 mm |
| 15:00 | 81°F | 12 mi/h | 1017 hPa | 44% | 41% | 0% | 0 mm |
| 18:00 | 75°F | 11 mi/h | 1017 hPa | 58% | 30% | 0% | 0 mm |
| 21:00 | 70°F | 11 mi/h | 1017 hPa | 69% | 17% | 0% | 0 mm |
Wednesday, april 16
80°F64°F
6:2819:39
23:4407:59
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 66°F | 11 mi/h | 1017 hPa | 73% | 26% | 0% | 0 mm |
| 03:00 | 64°F | 11 mi/h | 1016 hPa | 76% | 21% | 0% | 0 mm |
| 06:00 | 64°F | 12 mi/h | 1015 hPa | 78% | 71% | 0% | 0 mm |
| 09:00 | 70°F | 14 mi/h | 1015 hPa | 72% | 99% | 0% | 0 mm |
| 12:00 | 77°F | 17 mi/h | 1013 hPa | 60% | 70% | 17% | 0.1 mm |
| 15:00 | 79°F | 18 mi/h | 1011 hPa | 55% | 85% | 17% | 0.1 mm |
| 18:00 | 75°F | 17 mi/h | 1010 hPa | 64% | 100% | 17% | 0.1 mm |
| 21:00 | 66°F | 12 mi/h | 1009 hPa | 87% | 100% | 40% | 2.4 mm |
Thursday, april 17
74°F53°F
6:2719:40
----08:41
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 64°F | 16 mi/h | 1010 hPa | 89% | 100% | 17% | 0 mm |
| 03:00 | 63°F | 13 mi/h | 1009 hPa | 88% | 100% | 0% | 0 mm |
| 06:00 | 63°F | 11 mi/h | 1009 hPa | 92% | 100% | 17% | 0.5 mm |
| 09:00 | 64°F | 12 mi/h | 1009 hPa | 88% | 100% | 0% | 0 mm |
| 12:00 | 70°F | 12 mi/h | 1009 hPa | 71% | 100% | 0% | 0 mm |
| 15:00 | 73°F | 14 mi/h | 1007 hPa | 60% | 40% | 0% | 0 mm |
| 18:00 | 72°F | 16 mi/h | 1006 hPa | 67% | 55% | 0% | 0 mm |
| 21:00 | 63°F | 14 mi/h | 1008 hPa | 83% | 77% | 0% | 0 mm |
Friday, april 18
54°F40°F
6:2519:41
00:4109:31
| Hour | Sky / Temp. | Wind | |||||
|---|---|---|---|---|---|---|---|
| 00:00 | 48°F | 17 mi/h | 1014 hPa | 87% | 92% | 0% | 0 mm |
| 03:00 | 43°F | 16 mi/h | 1019 hPa | 80% | 82% | 0% | 0 mm |
| 06:00 | 41°F | 11 mi/h | 1022 hPa | 81% | 66% | 0% | 0 mm |
| 09:00 | 46°F | 9 mi/h | 1025 hPa | 67% | 87% | 0% | 0 mm |
| 12:00 | 52°F | 10 mi/h | 1025 hPa | 52% | 100% | 0% | 0 mm |
| 15:00 | 54°F | 8 mi/h | 1024 hPa | 49% | 100% | 0% | 0 mm |
| 18:00 | 54°F | 5 mi/h | 1023 hPa | 57% | 100% | 0% | 0 mm |
