St. Charles Weather Forecast 15 Days, Weather in St. Charles Today
Current weather conditions and 15 day weather forecast for St. Charles, Minnesota, 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
| 18 September 2026 Friday 15.4 ° C / 59.7°F  Clear |
Feels Like : 15.7 ° C / 60.3°F Humidity : % 88 Pressure : 1025 mb Wind Speed : 4.3 kmph / 2.7 miles from ESE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 5 |
15 day weather forecast for St. Charles, MN, 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, Minnesota 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 September 2026 Thursday |  Patchy rain nearby |
12 ° C (53.6°F) |
18.7 ° C (65.6°F) |
15 ° C (59.1°F) |
% 90 | 69% | 2.9 | Sunrise:06:49 AM Sunset: 07:15 PM |
Moonrise:02:28 PM Moonset: 10:38 PM Moon Phase ( First Quarter ) |
|
| 18 September 2026 Friday | Patchy rain nearby |
11 ° C (51.8°F) |
15.3 ° C (59.5°F) |
12.8 ° C (55°F) |
% 92 | 83% | 2.8 | Sunrise:06:51 AM Sunset: 07:13 PM |
Moonrise:03:23 PM Moonset: 11:33 PM Moon Phase ( First Quarter ) |
|
| 19 September 2026 Saturday |  Light rain shower |
10.7 ° C (51.3°F) |
12.6 ° C (54.6°F) |
11.8 ° C (53.2°F) |
% 98 | 94% | 0.4 | Sunrise:06:52 AM Sunset: 07:11 PM |
Moonrise:04:06 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 20 September 2026 Sunday | Patchy rain nearby |
10.5 ° C (50.8°F) |
13.9 ° C (57°F) |
12 ° C (53.7°F) |
% 87 | 68% | 2.2 | Sunrise:06:53 AM Sunset: 07:10 PM |
Moonrise:04:41 PM Moonset: 12:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 21 September 2026 Monday | Light rain shower |
7.2 ° C (44.9°F) |
13.2 ° C (55.7°F) |
9 ° C (48.3°F) |
% 94 | 93% | 0.7 | Sunrise:06:54 AM Sunset: 07:08 PM |
Moonrise:05:10 PM Moonset: 01:39 AM Moon Phase ( Waxing Gibbous ) |
|
| 22 September 2026 Tuesday |  Overcast |
6.7 ° C (44°F) |
14.1 ° C (57.5°F) |
10.1 ° C (50.2°F) |
% 80 | 19% | 4 | Sunrise:06:55 AM Sunset: 07:06 PM |
Moonrise:05:33 PM Moonset: 02:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 September 2026 Wednesday | Sunny |
6.8 ° C (44.3°F) |
15.6 ° C (60.1°F) |
11.6 ° C (52.8°F) |
% 74 | 10% | 5 | Sunrise:06:56 AM Sunset: 07:04 PM |
Moonrise:05:53 PM Moonset: 03:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 September 2026 Thursday | Sunny |
12.4 ° C (54.4°F) |
16.9 ° C (62.5°F) |
14.4 ° C (57.9°F) |
% 72 | 10% | 5 | Sunrise:06:57 AM Sunset: 07:02 PM |
Moonrise:06:11 PM Moonset: 04:53 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Sunny |
11.4 ° C (52.5°F) |
19.6 ° C (67.2°F) |
15.3 ° C (59.6°F) |
% 78 | 10% | 5 | Sunrise:06:59 AM Sunset: 07:00 PM |
Moonrise:06:28 PM Moonset: 05:57 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
13.4 ° C (56.1°F) |
19.1 ° C (66.4°F) |
16 ° C (60.7°F) |
% 78 | 21% | 4 | Sunrise:07:00 AM Sunset: 06:58 PM |
Moonrise:06:46 PM Moonset: 07:02 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
12.4 ° C (54.4°F) |
17 ° C (62.6°F) |
14.8 ° C (58.6°F) |
% 83 | 22% | 4 | Sunrise:07:01 AM Sunset: 06:57 PM |
Moonrise:07:05 PM Moonset: 08:08 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday |  Partly Cloudy |
14.8 ° C (58.6°F) |
20.8 ° C (69.4°F) |
17.6 ° C (63.6°F) |
% 78 | 20% | 6 | Sunrise:07:02 AM Sunset: 06:55 PM |
Moonrise:07:28 PM Moonset: 09:17 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Patchy rain nearby |
14 ° C (57.2°F) |
17.5 ° C (63.5°F) |
16.2 ° C (61.1°F) |
% 84 | 88% | 4 | Sunrise:07:03 AM Sunset: 06:53 PM |
Moonrise:07:55 PM Moonset: 10:28 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Sunny |
9.3 ° C (48.8°F) |
16.7 ° C (62.1°F) |
13 ° C (55.4°F) |
% 67 | 5% | 5 | Sunrise:07:04 AM Sunset: 06:51 PM |
Moonrise:08:30 PM Moonset: 11:41 AM Moon Phase ( Waning Gibbous ) |
|
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