Allerton Weather Forecast 15 Days, Weather in Allerton Today
Current weather conditions and 15 day weather forecast for Allerton, 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 Allerton
| 25 December 2025 Thursday 11.1 ° C / 52°F  Overcast |
Feels Like : 9.4 ° C / 48.9°F Humidity : % 93 Pressure : 1018 mb Wind Speed : 14 kmph / 8.7 miles from SSE  Visibility : 11 km Precipitation (rainfall) : 0.07 mm Cloud (%) : 100 |
15 day weather forecast for Allerton, IL, USA
Weather Forecast for next 15 Days for Allerton 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 Allerton, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 December 2025 Wednesday |  Patchy rain nearby |
0.1 ° C (32.2°F) |
12.7 ° C (54.9°F) |
6.8 ° C (44.2°F) |
% 85 | 84% | 0.3 | Sunrise:07:11 AM Sunset: 04:32 PM |
Moonrise:10:20 AM Moonset: 09:08 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Patchy rain nearby |
6.4 ° C (43.5°F) |
10.8 ° C (51.4°F) |
8.7 ° C (47.7°F) |
% 92 | 86% | 0.2 | Sunrise:07:12 AM Sunset: 04:32 PM |
Moonrise:10:44 AM Moonset: 10:14 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
5.4 ° C (41.7°F) |
10.1 ° C (50.2°F) |
7.5 ° C (45.5°F) |
% 94 | 88% | 0.3 | Sunrise:07:12 AM Sunset: 04:33 PM |
Moonrise:11:07 AM Moonset: 11:22 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Overcast |
4.7 ° C (40.5°F) |
7.1 ° C (44.7°F) |
6.1 ° C (42.9°F) |
% 91 | 0% | 0.3 | Sunrise:07:13 AM Sunset: 04:34 PM |
Moonrise:11:30 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Moderate rain |
0.7 ° C (33.2°F) |
18 ° C (64.4°F) |
12.1 ° C (53.8°F) |
% 91 | 84% | 0.1 | Sunrise:07:13 AM Sunset: 04:34 PM |
Moonrise:11:54 AM Moonset: 12:31 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Partly Cloudy |
-7.2 ° C (19°F) |
-3.4 ° C (25.8°F) |
-4.6 ° C (23.7°F) |
% 55 | 0% | 0 | Sunrise:07:13 AM Sunset: 04:35 PM |
Moonrise:12:21 PM Moonset: 01:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Sunny |
-7.7 ° C (18.2°F) |
-1.6 ° C (29.1°F) |
-4.7 ° C (23.5°F) |
% 42 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:36 PM |
Moonrise:12:56 PM Moonset: 03:00 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-2.7 ° C (27.2°F) |
3.8 ° C (38.8°F) |
0.1 ° C (32.1°F) |
% 62 | 0% | 2 | Sunrise:07:13 AM Sunset: 04:37 PM |
Moonrise:01:39 PM Moonset: 04:19 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
-0 ° C (32°F) |
9.3 ° C (48.8°F) |
3.8 ° C (38.8°F) |
% 72 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:37 PM |
Moonrise:02:34 PM Moonset: 05:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Cloudy |
4.1 ° C (39.4°F) |
11.1 ° C (52°F) |
7.6 ° C (45.6°F) |
% 73 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:38 PM |
Moonrise:03:41 PM Moonset: 06:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Overcast |
9.9 ° C (49.8°F) |
15.4 ° C (59.6°F) |
12.1 ° C (53.7°F) |
% 80 | 0% | 3 | Sunrise:07:14 AM Sunset: 04:39 PM |
Moonrise:04:57 PM Moonset: 07:46 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
0.1 ° C (32.2°F) |
4 ° C (39.1°F) |
2.9 ° C (37.3°F) |
% 51 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:40 PM |
Moonrise:06:15 PM Moonset: 08:32 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday |  Heavy snow |
-1.9 ° C (28.6°F) |
0.6 ° C (33°F) |
-0.9 ° C (30.3°F) |
% 67 | 76% | 1 | Sunrise:07:14 AM Sunset: 04:41 PM |
Moonrise:07:31 PM Moonset: 09:08 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Sunny |
-5.5 ° C (22.2°F) |
2.1 ° C (35.7°F) |
-2.2 ° C (28.1°F) |
% 83 | 0% | 2 | Sunrise:07:14 AM Sunset: 04:42 PM |
Moonrise:08:42 PM Moonset: 09:37 AM Moon Phase ( Waning Gibbous ) |
|
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