St. Charles Weather Forecast 15 Days, Weather in St. Charles Today
Current weather conditions and 15 day weather forecast for St. Charles, 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 St. Charles
| 22 June 2026 Monday 16.7 ° C / 62.1°F  Overcast |
Feels Like : 16.7 ° C / 62.1°F Humidity : % 86 Pressure : 1012 mb Wind Speed : 17.6 kmph / 11 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0.01 mm Cloud (%) : 100 |
15 day weather forecast for St. Charles, MO, USA
Weather Forecast for next 15 Days for St. Charles 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 St. Charles, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 June 2026 Monday | Overcast |
16.6 ° C (61.9°F) |
21.1 ° C (69.9°F) |
18.7 ° C (65.7°F) |
% 82 | 26% | 5.1 | Sunrise:05:37 AM Sunset: 08:30 PM |
Moonrise:01:58 PM Moonset: 12:56 AM Moon Phase ( First Quarter ) |
|
| 23 June 2026 Tuesday |  Sunny |
15.6 ° C (60.1°F) |
27.1 ° C (80.7°F) |
21.4 ° C (70.4°F) |
% 62 | 4% | 9.4 | Sunrise:05:37 AM Sunset: 08:30 PM |
Moonrise:03:05 PM Moonset: 01:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 June 2026 Wednesday |  Moderate rain |
19 ° C (66.3°F) |
22.1 ° C (71.7°F) |
20.1 ° C (68.2°F) |
% 85 | 86% | 6.2 | Sunrise:05:37 AM Sunset: 08:30 PM |
Moonrise:04:12 PM Moonset: 01:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 June 2026 Thursday | Moderate rain |
19.2 ° C (66.5°F) |
29.2 ° C (84.6°F) |
23.9 ° C (75°F) |
% 80 | 82% | 9.9 | Sunrise:05:38 AM Sunset: 08:30 PM |
Moonrise:05:18 PM Moonset: 02:16 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 June 2026 Friday | Moderate rain |
19.3 ° C (66.7°F) |
28.1 ° C (82.6°F) |
22.4 ° C (72.3°F) |
% 85 | 81% | 0.4 | Sunrise:05:38 AM Sunset: 08:30 PM |
Moonrise:06:22 PM Moonset: 02:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 June 2026 Saturday |  Partly Cloudy |
22.2 ° C (72°F) |
35.5 ° C (95.9°F) |
27.9 ° C (82.2°F) |
% 71 | 9% | 7 | Sunrise:05:39 AM Sunset: 08:31 PM |
Moonrise:07:22 PM Moonset: 03:31 AM Moon Phase ( Full Moon ) |
|
| 28 June 2026 Sunday | Partly Cloudy |
25.7 ° C (78.3°F) |
36.8 ° C (98.3°F) |
30.5 ° C (86.9°F) |
% 57 | 4% | 8 | Sunrise:05:39 AM Sunset: 08:31 PM |
Moonrise:08:16 PM Moonset: 04:19 AM Moon Phase ( Full Moon ) |
|
| 29 June 2026 Monday | Sunny |
26.7 ° C (80°F) |
37.4 ° C (99.4°F) |
31.5 ° C (88.6°F) |
% 54 | 3% | 8 | Sunrise:05:39 AM Sunset: 08:31 PM |
Moonrise:09:01 PM Moonset: 05:13 AM Moon Phase ( Full Moon ) |
|
| 30 June 2026 Tuesday |  Patchy rain nearby |
24.2 ° C (75.5°F) |
31.6 ° C (88.9°F) |
27 ° C (80.6°F) |
% 74 | 59% | 6 | Sunrise:05:40 AM Sunset: 08:30 PM |
Moonrise:09:40 PM Moonset: 06:12 AM Moon Phase ( Full Moon ) |
|
| 01 July 2026 Wednesday | Patchy rain nearby |
21.6 ° C (70.8°F) |
30.1 ° C (86.1°F) |
25 ° C (76.9°F) |
% 79 | 57% | 5 | Sunrise:05:40 AM Sunset: 08:30 PM |
Moonrise:10:11 PM Moonset: 07:13 AM Moon Phase ( Waning Gibbous ) |
|
| 02 July 2026 Thursday | Sunny |
24 ° C (75.3°F) |
37.2 ° C (99°F) |
30.1 ° C (86.2°F) |
% 67 | 4% | 8 | Sunrise:05:41 AM Sunset: 08:30 PM |
Moonrise:10:38 PM Moonset: 08:14 AM Moon Phase ( Waning Gibbous ) |
|
| 03 July 2026 Friday | Sunny |
26.2 ° C (79.1°F) |
36.4 ° C (97.5°F) |
31 ° C (87.7°F) |
% 66 | 4% | 8 | Sunrise:05:41 AM Sunset: 08:30 PM |
Moonrise:11:02 PM Moonset: 09:15 AM Moon Phase ( Waning Gibbous ) |
|
| 04 July 2026 Saturday | Sunny |
26.5 ° C (79.6°F) |
38.6 ° C (101.5°F) |
31.8 ° C (89.2°F) |
% 60 | 3% | 8 | Sunrise:05:42 AM Sunset: 08:30 PM |
Moonrise:11:23 PM Moonset: 10:15 AM Moon Phase ( Waning Gibbous ) |
|
| 05 July 2026 Sunday | Patchy rain nearby |
26.8 ° C (80.3°F) |
37 ° C (98.5°F) |
31.3 ° C (88.4°F) |
% 62 | 17% | 7 | Sunrise:05:42 AM Sunset: 08:30 PM |
Moonrise:11:44 PM Moonset: 11:14 AM Moon Phase ( Last Quarter ) |
|
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