Ballwin Weather Forecast 15 Days, Weather in Ballwin Today
Current weather conditions and 15 day weather forecast for Ballwin, Missouri, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Ballwin
| 28 July 2026 Tuesday 37.9 ° C / 100.2°F  Sunny |
Feels Like : 30.8 ° C / 87.4°F Humidity : % 39 Pressure : 1008 mb Wind Speed : 15.8 kmph / 9.8 miles from W  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 11 |
15 day weather forecast for Ballwin, MO, USA
Weather Forecast for next 15 Days for Ballwin including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Ballwin, Missouri state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 27 July 2026 Monday | Sunny |
24.2 ° C (75.6°F) |
41.4 ° C (106.5°F) |
32.1 ° C (89.8°F) |
% 62 | 3% | 10.5 | Sunrise:05:59 AM Sunset: 08:17 PM |
Moonrise:07:40 PM Moonset: 04:06 AM Moon Phase ( Full Moon ) |
|
| 28 July 2026 Tuesday | Sunny |
22.2 ° C (72°F) |
34.9 ° C (94.8°F) |
27 ° C (80.6°F) |
% 74 | 64% | 9.2 | Sunrise:06:00 AM Sunset: 08:16 PM |
Moonrise:08:14 PM Moonset: 05:06 AM Moon Phase ( Full Moon ) |
|
| 29 July 2026 Wednesday | Sunny |
21.1 ° C (69.9°F) |
31.8 ° C (89.2°F) |
25.5 ° C (78°F) |
% 63 | 4% | 8.4 | Sunrise:06:01 AM Sunset: 08:15 PM |
Moonrise:08:42 PM Moonset: 06:08 AM Moon Phase ( Full Moon ) |
|
| 30 July 2026 Thursday | Sunny |
17.9 ° C (64.2°F) |
34.8 ° C (94.6°F) |
25.7 ° C (78.3°F) |
% 63 | 57% | 8.5 | Sunrise:06:02 AM Sunset: 08:15 PM |
Moonrise:09:07 PM Moonset: 07:09 AM Moon Phase ( Waning Gibbous ) |
|
| 31 July 2026 Friday |  Light rain shower |
18.9 ° C (66°F) |
26.2 ° C (79.2°F) |
21.7 ° C (71.1°F) |
% 92 | 90% | 6 | Sunrise:06:03 AM Sunset: 08:14 PM |
Moonrise:09:29 PM Moonset: 08:09 AM Moon Phase ( Waning Gibbous ) |
|
| 01 August 2026 Saturday |  Fog |
20 ° C (68°F) |
26.2 ° C (79.2°F) |
22.2 ° C (71.9°F) |
% 89 | 85% | 6 | Sunrise:06:04 AM Sunset: 08:13 PM |
Moonrise:09:50 PM Moonset: 09:08 AM Moon Phase ( Waning Gibbous ) |
|
| 02 August 2026 Sunday | Sunny |
18.9 ° C (66.1°F) |
29.7 ° C (85.5°F) |
23.8 ° C (74.9°F) |
% 77 | 13% | 7 | Sunrise:06:04 AM Sunset: 08:12 PM |
Moonrise:10:11 PM Moonset: 10:07 AM Moon Phase ( Waning Gibbous ) |
|
| 03 August 2026 Monday | Sunny |
19.5 ° C (67.2°F) |
32.7 ° C (90.9°F) |
25.5 ° C (77.9°F) |
% 70 | 6% | 8 | Sunrise:06:05 AM Sunset: 08:11 PM |
Moonrise:10:33 PM Moonset: 11:08 AM Moon Phase ( Last Quarter ) |
|
| 04 August 2026 Tuesday | Sunny |
20.2 ° C (68.4°F) |
34.8 ° C (94.7°F) |
26.5 ° C (79.6°F) |
% 64 | 4% | 8 | Sunrise:06:06 AM Sunset: 08:09 PM |
Moonrise:10:58 PM Moonset: 12:10 PM Moon Phase ( Last Quarter ) |
|
| 05 August 2026 Wednesday | Sunny |
21 ° C (69.7°F) |
32.9 ° C (91.3°F) |
26.2 ° C (79.2°F) |
% 72 | 7% | 8 | Sunrise:06:07 AM Sunset: 08:08 PM |
Moonrise:11:28 PM Moonset: 01:16 PM Moon Phase ( Last Quarter ) |
|
| 06 August 2026 Thursday | Sunny |
20.5 ° C (68.9°F) |
32.9 ° C (91.3°F) |
25.5 ° C (77.9°F) |
% 68 | 18% | 8 | Sunrise:06:08 AM Sunset: 08:07 PM |
Moonrise:Does not rise today Moonset: 02:25 PM Moon Phase ( Last Quarter ) |
|
| 07 August 2026 Friday | Sunny |
20.2 ° C (68.4°F) |
27.9 ° C (82.2°F) |
23.3 ° C (74°F) |
% 87 | 82% | 7 | Sunrise:06:09 AM Sunset: 08:06 PM |
Moonrise:12:04 AM Moonset: 03:36 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Sunny |
26.4 ° C (79.5°F) |
36.7 ° C (98°F) |
30.5 ° C (86.9°F) |
% 55 | 3% | 9 | Sunrise:06:10 AM Sunset: 08:05 PM |
Moonrise:12:50 AM Moonset: 04:45 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
25.1 ° C (77.2°F) |
38.9 ° C (102°F) |
31.6 ° C (89°F) |
% 50 | 2% | 9 | Sunrise:06:11 AM Sunset: 08:04 PM |
Moonrise:01:48 AM Moonset: 05:48 PM Moon Phase ( Waning Crescent ) |
|
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