Harrisburg (Township) Weather Forecast 15 Days, Weather in Harrisburg (Township) Today
Current weather conditions and 15 day weather forecast for Harrisburg (Township), 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 Harrisburg (Township)
| 13 December 2025 Saturday 1.2 ° C / 34.2°F  Overcast |
Feels Like : -1.1 ° C / 30.1°F Humidity : % 85 Pressure : 1022 mb Wind Speed : 7.2 kmph / 4.5 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Harrisburg (Township), IL, USA
Weather Forecast for next 15 Days for Harrisburg (Township) 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 Harrisburg (Township), Illinois 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 December 2025 Friday | Overcast |
-0.2 ° C (31.6°F) |
4.8 ° C (40.6°F) |
1.7 ° C (35°F) |
% 90 | 0% | 0.4 | Sunrise:07:00 AM Sunset: 04:36 PM |
Moonrise:12:06 AM Moonset: 12:22 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Overcast |
-6.9 ° C (19.7°F) |
1.5 ° C (34.7°F) |
-0.3 ° C (31.5°F) |
% 83 | 0% | 0.4 | Sunrise:07:01 AM Sunset: 04:36 PM |
Moonrise:01:06 AM Moonset: 12:44 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday |  Sunny |
-10.1 ° C (13.8°F) |
-6.2 ° C (20.8°F) |
-8.1 ° C (17.4°F) |
% 55 | 0% | 0.4 | Sunrise:07:02 AM Sunset: 04:36 PM |
Moonrise:02:05 AM Moonset: 01:07 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Sunny |
-11.4 ° C (11.5°F) |
1.8 ° C (35.2°F) |
-5.7 ° C (21.7°F) |
% 46 | 0% | 0.4 | Sunrise:07:03 AM Sunset: 04:36 PM |
Moonrise:03:05 AM Moonset: 01:33 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Sunny |
-3.3 ° C (26°F) |
9.1 ° C (48.3°F) |
2.1 ° C (35.7°F) |
% 54 | 0% | 0.4 | Sunrise:07:03 AM Sunset: 04:37 PM |
Moonrise:04:05 AM Moonset: 02:01 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Sunny |
4.7 ° C (40.5°F) |
12.7 ° C (54.9°F) |
7.1 ° C (44.8°F) |
% 75 | 0% | 0 | Sunrise:07:04 AM Sunset: 04:37 PM |
Moonrise:05:06 AM Moonset: 02:35 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Patchy rain nearby |
9.3 ° C (48.7°F) |
12.9 ° C (55.2°F) |
11.5 ° C (52.8°F) |
% 74 | 62% | 3 | Sunrise:07:04 AM Sunset: 04:37 PM |
Moonrise:06:06 AM Moonset: 03:16 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Patchy rain nearby |
4.9 ° C (40.8°F) |
5.6 ° C (42°F) |
6.3 ° C (43.4°F) |
% 78 | 88% | 2 | Sunrise:07:05 AM Sunset: 04:38 PM |
Moonrise:07:03 AM Moonset: 04:05 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Patchy rain nearby |
12.2 ° C (54°F) |
18.8 ° C (65.9°F) |
16.4 ° C (61.5°F) |
% 87 | 79% | 4 | Sunrise:07:06 AM Sunset: 04:38 PM |
Moonrise:07:55 AM Moonset: 05:00 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Patchy rain nearby |
9.9 ° C (49.9°F) |
16.9 ° C (62.5°F) |
14.1 ° C (57.4°F) |
% 86 | 80% | 3 | Sunrise:07:06 AM Sunset: 04:39 PM |
Moonrise:08:40 AM Moonset: 06:01 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Patchy rain nearby |
9.5 ° C (49°F) |
21.3 ° C (70.3°F) |
16.2 ° C (61.2°F) |
% 85 | 85% | 4 | Sunrise:07:07 AM Sunset: 04:39 PM |
Moonrise:09:19 AM Moonset: 07:05 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Sunny |
1.9 ° C (35.4°F) |
7.2 ° C (44.9°F) |
6.8 ° C (44.2°F) |
% 65 | 0% | 3 | Sunrise:07:07 AM Sunset: 04:40 PM |
Moonrise:09:51 AM Moonset: 08:09 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Sunny |
-4.3 ° C (24.3°F) |
3.3 ° C (38°F) |
-0.8 ° C (30.6°F) |
% 48 | 0% | 2 | Sunrise:07:07 AM Sunset: 04:40 PM |
Moonrise:10:19 AM Moonset: 09:14 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Partly Cloudy |
-2.1 ° C (28.3°F) |
9.4 ° C (48.9°F) |
4.9 ° C (40.7°F) |
% 56 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:41 PM |
Moonrise:10:44 AM Moonset: 10:19 PM Moon Phase ( Waxing Crescent ) |
|
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