Troy Weather Forecast 15 Days, Weather in Troy Today
Current weather conditions and 15 day weather forecast for Troy, 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 Troy
| 17 December 2025 Wednesday 2.9 ° C / 37.2°F  Clear |
Feels Like : -0.3 ° C / 31.5°F Humidity : % 67 Pressure : 1016 mb Wind Speed : 11.9 kmph / 7.4 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Troy, IL, USA
Weather Forecast for next 15 Days for Troy 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 Troy, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 17 December 2025 Wednesday | Sunny |
1.6 ° C (34.9°F) |
16.4 ° C (61.5°F) |
7.4 ° C (45.3°F) |
% 69 | 0% | 0.4 | Sunrise:07:12 AM Sunset: 04:40 PM |
Moonrise:05:15 AM Moonset: 02:38 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Patchy rain nearby |
3.1 ° C (37.6°F) |
10 ° C (50°F) |
7.7 ° C (45.8°F) |
% 89 | 87% | 0.1 | Sunrise:07:13 AM Sunset: 04:41 PM |
Moonrise:06:16 AM Moonset: 03:19 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Overcast |
-3.8 ° C (25.2°F) |
3 ° C (37.4°F) |
-0.6 ° C (30.9°F) |
% 64 | 0% | 0.4 | Sunrise:07:14 AM Sunset: 04:41 PM |
Moonrise:07:13 AM Moonset: 04:07 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Sunny |
1 ° C (33.9°F) |
11.5 ° C (52.6°F) |
5.1 ° C (41.1°F) |
% 60 | 0% | 0.4 | Sunrise:07:14 AM Sunset: 04:41 PM |
Moonrise:08:05 AM Moonset: 05:03 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
0 ° C (32.1°F) |
6.3 ° C (43.3°F) |
2 ° C (35.5°F) |
% 63 | 0% | 0 | Sunrise:07:15 AM Sunset: 04:42 PM |
Moonrise:08:49 AM Moonset: 06:04 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Partly Cloudy |
-1.6 ° C (29.1°F) |
3 ° C (37.5°F) |
1.3 ° C (34.3°F) |
% 48 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:42 PM |
Moonrise:09:28 AM Moonset: 07:08 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Patchy rain nearby |
4.8 ° C (40.6°F) |
15.3 ° C (59.5°F) |
10.7 ° C (51.3°F) |
% 81 | 78% | 3 | Sunrise:07:16 AM Sunset: 04:43 PM |
Moonrise:09:59 AM Moonset: 08:13 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Overcast |
15.4 ° C (59.6°F) |
19.9 ° C (67.8°F) |
17.3 ° C (63.2°F) |
% 84 | 0% | 4 | Sunrise:07:16 AM Sunset: 04:44 PM |
Moonrise:10:26 AM Moonset: 09:19 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Overcast |
13.7 ° C (56.7°F) |
20 ° C (68°F) |
16.7 ° C (62.1°F) |
% 80 | 0% | 4 | Sunrise:07:16 AM Sunset: 04:44 PM |
Moonrise:10:51 AM Moonset: 10:24 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
6.7 ° C (44°F) |
10.3 ° C (50.5°F) |
8.6 ° C (47.4°F) |
% 49 | 0% | 3 | Sunrise:07:17 AM Sunset: 04:45 PM |
Moonrise:11:15 AM Moonset: 11:31 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Moderate rain |
2.8 ° C (37°F) |
5.7 ° C (42.3°F) |
4.8 ° C (40.6°F) |
% 81 | 77% | 1 | Sunrise:07:17 AM Sunset: 04:46 PM |
Moonrise:11:39 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Overcast |
3 ° C (37.4°F) |
7.4 ° C (45.3°F) |
4.6 ° C (40.2°F) |
% 78 | 0% | 1 | Sunrise:07:17 AM Sunset: 04:46 PM |
Moonrise:12:04 PM Moonset: 12:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Patchy rain nearby |
4.8 ° C (40.7°F) |
14.1 ° C (57.4°F) |
9.7 ° C (49.5°F) |
% 93 | 89% | 2 | Sunrise:07:18 AM Sunset: 04:47 PM |
Moonrise:12:32 PM Moonset: 01:50 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
7.8 ° C (46°F) |
9.8 ° C (49.6°F) |
9 ° C (48.2°F) |
% 85 | 0% | 3 | Sunrise:07:18 AM Sunset: 04:48 PM |
Moonrise:01:08 PM Moonset: 03:06 AM Moon Phase ( Waxing Gibbous ) |
|
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