Gary Chicago International Airport Weather Forecast 15 Days, Weather in GYY Today
Current weather conditions and 15 day weather forecast for Gary Chicago International Airport, Indiana, 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 Gary Chicago International Airport
| 05 December 2025 Friday -12.7 ° C / 9.1°F  Clear |
Feels Like : -19.9 ° C / -3.8°F Humidity : % 100 Pressure : 1021 mb Wind Speed : 14.4 kmph / 8.9 miles from S  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Gary Chicago International Airport, IN, USA
Weather Forecast for next 15 Days for Gary Chicago International Airport 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 Gary Chicago International Airport, Indiana 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 December 2025 Friday |  Overcast |
-17 ° C (1.4°F) |
1 ° C (33.8°F) |
-7.2 ° C (19°F) |
% 81 | 0% | 0.3 | Sunrise:07:01 AM Sunset: 04:19 PM |
Moonrise:04:47 PM Moonset: 08:10 AM Moon Phase ( Full Moon ) |
|
| 06 December 2025 Saturday | Overcast |
-2.3 ° C (27.9°F) |
0.1 ° C (32.2°F) |
-1 ° C (30.2°F) |
% 87 | 0% | 0.2 | Sunrise:07:02 AM Sunset: 04:19 PM |
Moonrise:06:00 PM Moonset: 09:15 AM Moon Phase ( Waning Gibbous ) |
|
| 07 December 2025 Sunday |  Moderate snow |
-5.5 ° C (22.1°F) |
0.5 ° C (32.9°F) |
-1.4 ° C (29.5°F) |
% 89 | 84% | 0.2 | Sunrise:07:03 AM Sunset: 04:19 PM |
Moonrise:07:18 PM Moonset: 10:05 AM Moon Phase ( Waning Gibbous ) |
|
| 08 December 2025 Monday |  Light freezing rain |
-10 ° C (14.1°F) |
-5.6 ° C (22°F) |
-7.5 ° C (18.5°F) |
% 87 | 78% | 0.3 | Sunrise:07:04 AM Sunset: 04:19 PM |
Moonrise:08:35 PM Moonset: 10:43 AM Moon Phase ( Waning Gibbous ) |
|
| 09 December 2025 Tuesday |  Cloudy |
-8.5 ° C (16.7°F) |
1.2 ° C (34.2°F) |
-4.7 ° C (23.6°F) |
% 85 | 0% | 0 | Sunrise:07:05 AM Sunset: 04:19 PM |
Moonrise:09:48 PM Moonset: 11:13 AM Moon Phase ( Waning Gibbous ) |
|
| 10 December 2025 Wednesday |  Heavy snow |
-5 ° C (23°F) |
2.5 ° C (36.5°F) |
0.3 ° C (32.6°F) |
% 90 | 76% | 1 | Sunrise:07:06 AM Sunset: 04:19 PM |
Moonrise:10:56 PM Moonset: 11:37 AM Moon Phase ( Waning Gibbous ) |
|
| 11 December 2025 Thursday | Light freezing rain |
-7.4 ° C (18.7°F) |
-4.3 ° C (24.3°F) |
-5.6 ° C (21.9°F) |
% 74 | 61% | 1 | Sunrise:07:07 AM Sunset: 04:19 PM |
Moonrise:No moonrise Moonset: 11:58 AM Moon Phase ( Last Quarter ) |
|
| 12 December 2025 Friday |  Partly Cloudy |
-6.9 ° C (19.6°F) |
-4.5 ° C (23.9°F) |
-5 ° C (22.9°F) |
% 76 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:19 PM |
Moonrise:12:01 AM Moonset: 12:17 PM Moon Phase ( Waning Crescent ) |
|
| 13 December 2025 Saturday | Sunny |
-8.2 ° C (17.2°F) |
-3.3 ° C (26.1°F) |
-5.4 ° C (22.3°F) |
% 78 | 0% | 2 | Sunrise:07:08 AM Sunset: 04:20 PM |
Moonrise:01:04 AM Moonset: 12:36 PM Moon Phase ( Waning Crescent ) |
|
| 14 December 2025 Sunday | Sunny |
-3.7 ° C (25.3°F) |
3.1 ° C (37.6°F) |
0.6 ° C (33.1°F) |
% 72 | 0% | 2 | Sunrise:07:09 AM Sunset: 04:20 PM |
Moonrise:02:06 AM Moonset: 12:56 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Partly Cloudy |
-5.7 ° C (21.7°F) |
-1.6 ° C (29.1°F) |
-3.4 ° C (25.8°F) |
% 62 | 0% | 2 | Sunrise:07:10 AM Sunset: 04:20 PM |
Moonrise:03:08 AM Moonset: 01:19 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Light freezing rain |
-3.3 ° C (26.1°F) |
-0.8 ° C (30.5°F) |
-1.8 ° C (28.7°F) |
% 69 | 76% | 1 | Sunrise:07:11 AM Sunset: 04:20 PM |
Moonrise:04:11 AM Moonset: 01:45 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday |  Patchy rain nearby |
-0.2 ° C (31.7°F) |
1.8 ° C (35.3°F) |
1.1 ° C (34.1°F) |
% 91 | 73% | 1 | Sunrise:07:11 AM Sunset: 04:21 PM |
Moonrise:05:15 AM Moonset: 02:17 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Patchy rain nearby |
0.9 ° C (33.6°F) |
1.6 ° C (34.9°F) |
1.3 ° C (34.3°F) |
% 96 | 78% | 1 | Sunrise:07:12 AM Sunset: 04:21 PM |
Moonrise:06:17 AM Moonset: 02:56 PM Moon Phase ( Waning Crescent ) |
|
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