Mechanicsburg Weather Forecast 15 Days, Weather in Mechanicsburg Today
Current weather conditions and 15 day weather forecast for Mechanicsburg, Illinois, 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 Mechanicsburg
| 18 August 2025 Monday 25.2 ° C / 77.4°F  Fog |
Feels Like : 28.8 ° C / 83.9°F Humidity : % 94 Pressure : 1017 mb Wind Speed : 5 kmph / 3.1 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Mechanicsburg, IL, USA
Weather Forecast for next 15 Days for Mechanicsburg 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 Mechanicsburg, Illinois state, US. To see the daily forecast, scroll to the table below.
| Date | |
|---|---|
| 18 August 2025 Monday | |
| Weather forecast |  Moderate rain |
| Low temperature | 22.7 ° C (72.9°F) |
| High temperature | 35.3 ° C (95.5°F) |
| Avg. temperature | 28.7 ° C (83.7°F) |
| Humidity | % 80 |
| Chance of rain | 87% |
| UV Index | 2.2 |
| Sun Position | Sunrise:06:13 AM Sunset: 07:50 PM |
| Moon Position | Moonrise:12:49 AM Moonset: 05:02 PM Moon Phase ( Waning Crescent ) |
| 19 August 2025 Tuesday | |
| Weather forecast | Moderate rain |
| Low temperature | 24.2 ° C (75.6°F) |
| High temperature | 34.8 ° C (94.6°F) |
| Avg. temperature | 28.2 ° C (82.7°F) |
| Humidity | % 84 |
| Chance of rain | 80% |
| UV Index | 2.2 |
| Sun Position | Sunrise:06:14 AM Sunset: 07:49 PM |
| Moon Position | Moonrise:01:52 AM Moonset: 05:56 PM Moon Phase ( Waning Crescent ) |
| 20 August 2025 Wednesday | |
| Weather forecast |  Overcast |
| Low temperature | 21.7 ° C (71.1°F) |
| High temperature | 27.3 ° C (81.1°F) |
| Avg. temperature | 24 ° C (75.3°F) |
| Humidity | % 84 |
| Chance of rain | 0% |
| UV Index | 1.6 |
| Sun Position | Sunrise:06:15 AM Sunset: 07:47 PM |
| Moon Position | Moonrise:03:02 AM Moonset: 06:39 PM Moon Phase ( Waning Crescent ) |
| 21 August 2025 Thursday | |
| Weather forecast |  Partly Cloudy |
| Low temperature | 15.4 ° C (59.7°F) |
| High temperature | 28.2 ° C (82.8°F) |
| Avg. temperature | 21.9 ° C (71.4°F) |
| Humidity | % 77 |
| Chance of rain | 0% |
| UV Index | 1.9 |
| Sun Position | Sunrise:06:16 AM Sunset: 07:46 PM |
| Moon Position | Moonrise:04:15 AM Moonset: 07:13 PM Moon Phase ( Waning Crescent ) |
| 22 August 2025 Friday | |
| Weather forecast |  Sunny |
| Low temperature | 17 ° C (62.6°F) |
| High temperature | 29.3 ° C (84.8°F) |
| Avg. temperature | 21.6 ° C (70.8°F) |
| Humidity | % 78 |
| Chance of rain | 0% |
| UV Index | 0 |
| Sun Position | Sunrise:06:17 AM Sunset: 07:44 PM |
| Moon Position | Moonrise:05:27 AM Moonset: 07:41 PM Moon Phase ( Waning Crescent ) |
| 23 August 2025 Saturday | |
| Weather forecast | Sunny |
| Low temperature | 18.3 ° C (65°F) |
| High temperature | 28.8 ° C (83.8°F) |
| Avg. temperature | 23.2 ° C (73.7°F) |
| Humidity | % 66 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:18 AM Sunset: 07:43 PM |
| Moon Position | Moonrise:06:35 AM Moonset: 08:04 PM Moon Phase ( New Moon ) |
| 24 August 2025 Sunday | |
| Weather forecast | Sunny |
| Low temperature | 11.8 ° C (53.3°F) |
| High temperature | 22.7 ° C (72.9°F) |
| Avg. temperature | 16.6 ° C (61.8°F) |
| Humidity | % 68 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:19 AM Sunset: 07:41 PM |
| Moon Position | Moonrise:07:40 AM Moonset: 08:25 PM Moon Phase ( Waxing Crescent ) |
| 25 August 2025 Monday | |
| Weather forecast | Sunny |
| Low temperature | 8.9 ° C (48.1°F) |
| High temperature | 22.7 ° C (72.8°F) |
| Avg. temperature | 15.4 ° C (59.7°F) |
| Humidity | % 66 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:20 AM Sunset: 07:40 PM |
| Moon Position | Moonrise:08:43 AM Moonset: 08:46 PM Moon Phase ( Waxing Crescent ) |
| 26 August 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | 10.5 ° C (50.9°F) |
| High temperature | 24 ° C (75.2°F) |
| Avg. temperature | 16.9 ° C (62.3°F) |
| Humidity | % 65 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:21 AM Sunset: 07:38 PM |
| Moon Position | Moonrise:09:45 AM Moonset: 09:06 PM Moon Phase ( Waxing Crescent ) |
| 27 August 2025 Wednesday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 10.9 ° C (51.7°F) |
| High temperature | 25 ° C (76.9°F) |
| Avg. temperature | 17.7 ° C (63.9°F) |
| Humidity | % 61 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:22 AM Sunset: 07:37 PM |
| Moon Position | Moonrise:10:46 AM Moonset: 09:28 PM Moon Phase ( Waxing Crescent ) |
| 28 August 2025 Thursday | |
| Weather forecast | Sunny |
| Low temperature | 12.9 ° C (55.2°F) |
| High temperature | 28.4 ° C (83.2°F) |
| Avg. temperature | 19.8 ° C (67.6°F) |
| Humidity | % 57 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:23 AM Sunset: 07:35 PM |
| Moon Position | Moonrise:11:48 AM Moonset: 09:53 PM Moon Phase ( Waxing Crescent ) |
| 29 August 2025 Friday | |
| Weather forecast | Sunny |
| Low temperature | 14.7 ° C (58.5°F) |
| High temperature | 29.5 ° C (85.1°F) |
| Avg. temperature | 21.3 ° C (70.3°F) |
| Humidity | % 55 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:23 AM Sunset: 07:34 PM |
| Moon Position | Moonrise:12:50 PM Moonset: 10:22 PM Moon Phase ( Waxing Crescent ) |
| 30 August 2025 Saturday | |
| Weather forecast | Sunny |
| Low temperature | 15.8 ° C (60.4°F) |
| High temperature | 31.5 ° C (88.7°F) |
| Avg. temperature | 23.8 ° C (74.8°F) |
| Humidity | % 53 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:24 AM Sunset: 07:32 PM |
| Moon Position | Moonrise:01:53 PM Moonset: 10:57 PM Moon Phase ( Waxing Crescent ) |
| 31 August 2025 Sunday | |
| Weather forecast | Sunny |
| Low temperature | 18.6 ° C (65.5°F) |
| High temperature | 37.7 ° C (99.9°F) |
| Avg. temperature | 27.4 ° C (81.3°F) |
| Humidity | % 48 |
| Chance of rain | 0% |
| UV Index | 7 |
| Sun Position | Sunrise:06:25 AM Sunset: 07:31 PM |
| Moon Position | Moonrise:02:54 PM Moonset: 11:40 PM Moon Phase ( First Quarter ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 August 2025 Monday | Moderate rain |
22.7 ° C (72.9°F) |
35.3 ° C (95.5°F) |
28.7 ° C (83.7°F) |
% 80 | 87% | 2.2 | Sunrise:06:13 AM Sunset: 07:50 PM |
Moonrise:12:49 AM Moonset: 05:02 PM Moon Phase ( Waning Crescent ) |
|
| 19 August 2025 Tuesday | Moderate rain |
24.2 ° C (75.6°F) |
34.8 ° C (94.6°F) |
28.2 ° C (82.7°F) |
% 84 | 80% | 2.2 | Sunrise:06:14 AM Sunset: 07:49 PM |
Moonrise:01:52 AM Moonset: 05:56 PM Moon Phase ( Waning Crescent ) |
|
| 20 August 2025 Wednesday | Overcast |
21.7 ° C (71.1°F) |
27.3 ° C (81.1°F) |
24 ° C (75.3°F) |
% 84 | 0% | 1.6 | Sunrise:06:15 AM Sunset: 07:47 PM |
Moonrise:03:02 AM Moonset: 06:39 PM Moon Phase ( Waning Crescent ) |
|
| 21 August 2025 Thursday | Partly Cloudy |
15.4 ° C (59.7°F) |
28.2 ° C (82.8°F) |
21.9 ° C (71.4°F) |
% 77 | 0% | 1.9 | Sunrise:06:16 AM Sunset: 07:46 PM |
Moonrise:04:15 AM Moonset: 07:13 PM Moon Phase ( Waning Crescent ) |
|
| 22 August 2025 Friday | Sunny |
17 ° C (62.6°F) |
29.3 ° C (84.8°F) |
21.6 ° C (70.8°F) |
% 78 | 0% | 0 | Sunrise:06:17 AM Sunset: 07:44 PM |
Moonrise:05:27 AM Moonset: 07:41 PM Moon Phase ( Waning Crescent ) |
|
| 23 August 2025 Saturday | Sunny |
18.3 ° C (65°F) |
28.8 ° C (83.8°F) |
23.2 ° C (73.7°F) |
% 66 | 0% | 6 | Sunrise:06:18 AM Sunset: 07:43 PM |
Moonrise:06:35 AM Moonset: 08:04 PM Moon Phase ( New Moon ) |
|
| 24 August 2025 Sunday | Sunny |
11.8 ° C (53.3°F) |
22.7 ° C (72.9°F) |
16.6 ° C (61.8°F) |
% 68 | 0% | 5 | Sunrise:06:19 AM Sunset: 07:41 PM |
Moonrise:07:40 AM Moonset: 08:25 PM Moon Phase ( Waxing Crescent ) |
|
| 25 August 2025 Monday | Sunny |
8.9 ° C (48.1°F) |
22.7 ° C (72.8°F) |
15.4 ° C (59.7°F) |
% 66 | 0% | 5 | Sunrise:06:20 AM Sunset: 07:40 PM |
Moonrise:08:43 AM Moonset: 08:46 PM Moon Phase ( Waxing Crescent ) |
|
| 26 August 2025 Tuesday | Sunny |
10.5 ° C (50.9°F) |
24 ° C (75.2°F) |
16.9 ° C (62.3°F) |
% 65 | 0% | 5 | Sunrise:06:21 AM Sunset: 07:38 PM |
Moonrise:09:45 AM Moonset: 09:06 PM Moon Phase ( Waxing Crescent ) |
|
| 27 August 2025 Wednesday | Partly Cloudy |
10.9 ° C (51.7°F) |
25 ° C (76.9°F) |
17.7 ° C (63.9°F) |
% 61 | 0% | 5 | Sunrise:06:22 AM Sunset: 07:37 PM |
Moonrise:10:46 AM Moonset: 09:28 PM Moon Phase ( Waxing Crescent ) |
|
| 28 August 2025 Thursday | Sunny |
12.9 ° C (55.2°F) |
28.4 ° C (83.2°F) |
19.8 ° C (67.6°F) |
% 57 | 0% | 5 | Sunrise:06:23 AM Sunset: 07:35 PM |
Moonrise:11:48 AM Moonset: 09:53 PM Moon Phase ( Waxing Crescent ) |
|
| 29 August 2025 Friday | Sunny |
14.7 ° C (58.5°F) |
29.5 ° C (85.1°F) |
21.3 ° C (70.3°F) |
% 55 | 0% | 6 | Sunrise:06:23 AM Sunset: 07:34 PM |
Moonrise:12:50 PM Moonset: 10:22 PM Moon Phase ( Waxing Crescent ) |
|
| 30 August 2025 Saturday | Sunny |
15.8 ° C (60.4°F) |
31.5 ° C (88.7°F) |
23.8 ° C (74.8°F) |
% 53 | 0% | 6 | Sunrise:06:24 AM Sunset: 07:32 PM |
Moonrise:01:53 PM Moonset: 10:57 PM Moon Phase ( Waxing Crescent ) |
|
| 31 August 2025 Sunday | Sunny |
18.6 ° C (65.5°F) |
37.7 ° C (99.9°F) |
27.4 ° C (81.3°F) |
% 48 | 0% | 7 | Sunrise:06:25 AM Sunset: 07:31 PM |
Moonrise:02:54 PM Moonset: 11:40 PM Moon Phase ( First Quarter ) |
|
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