Chicago Weather Forecast 15 Days, Weather in Chicago Today
Current weather conditions and 15 day weather forecast for Chicago, 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 Chicago
| 27 December 2025 Saturday 5.6 ° C / 42.1°F  Overcast |
Feels Like : 2.8 ° C / 37°F Humidity : % 85 Pressure : 1013 mb Wind Speed : 13.3 kmph / 8.3 miles from SE  Visibility : 13 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Chicago, IL, USA
Weather Forecast for next 15 Days for Chicago 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 Chicago, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 27 December 2025 Saturday | Overcast |
1.8 ° C (35.2°F) |
6.3 ° C (43.3°F) |
3.3 ° C (37.9°F) |
% 93 | 0% | 0.2 | Sunrise:07:18 AM Sunset: 04:26 PM |
Moonrise:11:28 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Heavy rain |
2.1 ° C (35.8°F) |
6.9 ° C (44.4°F) |
4.7 ° C (40.4°F) |
% 96 | 87% | 0 | Sunrise:07:18 AM Sunset: 04:27 PM |
Moonrise:11:50 AM Moonset: 12:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Moderate or heavy snow showers |
-7.7 ° C (18.1°F) |
-0.4 ° C (31.3°F) |
-3.4 ° C (25.8°F) |
% 76 | 77% | 0.1 | Sunrise:07:18 AM Sunset: 04:28 PM |
Moonrise:12:16 PM Moonset: 01:46 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Partly Cloudy |
-7.6 ° C (18.3°F) |
-2.2 ° C (28°F) |
-5.2 ° C (22.7°F) |
% 53 | 0% | 0.2 | Sunrise:07:18 AM Sunset: 04:29 PM |
Moonrise:12:48 PM Moonset: 03:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Partly Cloudy |
-7.6 ° C (18.3°F) |
-2.4 ° C (27.7°F) |
-3.5 ° C (25.8°F) |
% 61 | 0% | 0 | Sunrise:07:18 AM Sunset: 04:29 PM |
Moonrise:01:30 PM Moonset: 04:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday |  Sunny |
-10.7 ° C (12.8°F) |
-7.4 ° C (18.7°F) |
-9.1 ° C (15.7°F) |
% 42 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:30 PM |
Moonrise:02:24 PM Moonset: 05:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Cloudy |
-8.6 ° C (16.6°F) |
-4.7 ° C (23.6°F) |
-6.8 ° C (19.8°F) |
% 36 | 0% | 1 | Sunrise:07:19 AM Sunset: 04:31 PM |
Moonrise:03:32 PM Moonset: 06:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Partly Cloudy |
-5.6 ° C (22°F) |
-0.2 ° C (31.6°F) |
-2.9 ° C (26.9°F) |
% 48 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:32 PM |
Moonrise:04:48 PM Moonset: 07:53 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Partly Cloudy |
-0.6 ° C (31°F) |
3.8 ° C (38.8°F) |
1.3 ° C (34.3°F) |
% 69 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:33 PM |
Moonrise:06:08 PM Moonset: 08:37 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Partly Cloudy |
-3.3 ° C (26°F) |
-1.6 ° C (29.1°F) |
-1.8 ° C (28.7°F) |
% 57 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:34 PM |
Moonrise:07:25 PM Moonset: 09:11 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Partly Cloudy |
-3.9 ° C (25°F) |
-1.2 ° C (29.9°F) |
-2.5 ° C (27.4°F) |
% 51 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:35 PM |
Moonrise:08:38 PM Moonset: 09:39 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday |  Light freezing rain |
-2.6 ° C (27.4°F) |
1.7 ° C (35°F) |
-0.3 ° C (31.5°F) |
% 45 | 85% | 1 | Sunrise:07:18 AM Sunset: 04:36 PM |
Moonrise:09:47 PM Moonset: 10:01 AM Moon Phase ( Waning Gibbous ) |
|
| 08 January 2026 Thursday |  Patchy rain nearby |
0.6 ° C (33°F) |
3.4 ° C (38.2°F) |
2.6 ° C (36.8°F) |
% 95 | 83% | 1 | Sunrise:07:18 AM Sunset: 04:37 PM |
Moonrise:10:52 PM Moonset: 10:21 AM Moon Phase ( Waning Gibbous ) |
|
| 09 January 2026 Friday | Patchy rain nearby |
0.2 ° C (32.3°F) |
0.9 ° C (33.6°F) |
1.3 ° C (34.4°F) |
% 90 | 82% | 1 | Sunrise:07:18 AM Sunset: 04:38 PM |
Moonrise:11:56 PM Moonset: 10:40 AM Moon Phase ( Waning Gibbous ) |
|
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