Mundelein Weather Forecast 15 Days, Weather in Mundelein Today
Current weather conditions and 15 day weather forecast for Mundelein, 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 Mundelein
| 23 December 2025 Tuesday 3.3 ° C / 37.9°F  Clear |
Feels Like : -0.7 ° C / 30.8°F Humidity : % 76 Pressure : 1016 mb Wind Speed : 16.9 kmph / 10.5 miles from WSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Mundelein, IL, USA
Weather Forecast for next 15 Days for Mundelein 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 Mundelein, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 23 December 2025 Tuesday |  Partly Cloudy |
0 ° C (32°F) |
11 ° C (51.8°F) |
4.7 ° C (40.4°F) |
% 80 | 0% | 0.3 | Sunrise:07:19 AM Sunset: 04:24 PM |
Moonrise:10:00 AM Moonset: 07:57 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Fog |
-1.3 ° C (29.7°F) |
1.3 ° C (34.3°F) |
0.4 ° C (32.8°F) |
% 98 | 0% | 0.2 | Sunrise:07:19 AM Sunset: 04:24 PM |
Moonrise:10:25 AM Moonset: 09:05 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Overcast |
0.2 ° C (32.4°F) |
2.1 ° C (35.8°F) |
1.6 ° C (34.8°F) |
% 92 | 0% | 0.3 | Sunrise:07:20 AM Sunset: 04:25 PM |
Moonrise:10:47 AM Moonset: 10:13 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday |  Moderate rain |
1.2 ° C (34.1°F) |
2.9 ° C (37.3°F) |
2.5 ° C (36.5°F) |
% 90 | 78% | 0.1 | Sunrise:07:20 AM Sunset: 04:26 PM |
Moonrise:11:08 AM Moonset: 11:23 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Patchy rain nearby |
1.1 ° C (34°F) |
6.1 ° C (42.9°F) |
3.1 ° C (37.5°F) |
% 87 | 57% | 0 | Sunrise:07:20 AM Sunset: 04:26 PM |
Moonrise:11:29 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-3.6 ° C (25.5°F) |
-0.7 ° C (30.7°F) |
-0.7 ° C (30.8°F) |
% 60 | 0% | 2 | Sunrise:07:21 AM Sunset: 04:27 PM |
Moonrise:11:51 AM Moonset: 12:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-6.1 ° C (20.9°F) |
-3.1 ° C (26.3°F) |
-4.7 ° C (23.6°F) |
% 48 | 0% | 2 | Sunrise:07:21 AM Sunset: 04:28 PM |
Moonrise:12:16 PM Moonset: 01:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
-7 ° C (19.3°F) |
-0.3 ° C (31.5°F) |
-3.9 ° C (25°F) |
% 48 | 0% | 2 | Sunrise:07:21 AM Sunset: 04:29 PM |
Moonrise:12:49 PM Moonset: 03:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Fog |
-1 ° C (30.2°F) |
1.5 ° C (34.7°F) |
0.6 ° C (33.1°F) |
% 96 | 60% | 1 | Sunrise:07:21 AM Sunset: 04:29 PM |
Moonrise:01:30 PM Moonset: 04:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Overcast |
1.4 ° C (34.6°F) |
2.6 ° C (36.7°F) |
2.2 ° C (35.9°F) |
% 95 | 0% | 1 | Sunrise:07:21 AM Sunset: 04:30 PM |
Moonrise:02:24 PM Moonset: 05:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Partly Cloudy |
-0.5 ° C (31.1°F) |
3 ° C (37.5°F) |
1 ° C (33.8°F) |
% 74 | 0% | 2 | Sunrise:07:21 AM Sunset: 04:31 PM |
Moonrise:03:31 PM Moonset: 06:59 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Patchy rain nearby |
-0.2 ° C (31.7°F) |
2.8 ° C (37.1°F) |
1.2 ° C (34.2°F) |
% 54 | 86% | 1 | Sunrise:07:21 AM Sunset: 04:32 PM |
Moonrise:04:48 PM Moonset: 07:56 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Patchy rain nearby |
-1.3 ° C (29.6°F) |
3.2 ° C (37.7°F) |
1.2 ° C (34.2°F) |
% 85 | 88% | 1 | Sunrise:07:21 AM Sunset: 04:33 PM |
Moonrise:06:08 PM Moonset: 08:40 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Overcast |
-2.1 ° C (28.2°F) |
0.4 ° C (32.6°F) |
-1.1 ° C (30°F) |
% 69 | 0% | 1 | Sunrise:07:21 AM Sunset: 04:34 PM |
Moonrise:07:26 PM Moonset: 09:14 AM Moon Phase ( Waning Gibbous ) |
|
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