Fountain Green Weather Forecast 15 Days, Weather in Fountain Green Today
Current weather conditions and 15 day weather forecast for Fountain Green, 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 Fountain Green
| 23 December 2025 Tuesday 3.3 ° C / 37.9°F  Partly Cloudy |
Feels Like : 0 ° C / 32°F Humidity : % 70 Pressure : 1015 mb Wind Speed : 13 kmph / 8.1 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Fountain Green, IL, USA
Weather Forecast for next 15 Days for Fountain Green 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 Fountain Green, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 December 2025 Monday | Partly Cloudy |
-3.6 ° C (25.5°F) |
8.7 ° C (47.7°F) |
3.6 ° C (38.4°F) |
% 54 | 0% | 0.2 | Sunrise:07:25 AM Sunset: 04:41 PM |
Moonrise:09:38 AM Moonset: 07:07 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Fog |
0.3 ° C (32.5°F) |
4.4 ° C (39.9°F) |
3 ° C (37.4°F) |
% 94 | 0% | 0.4 | Sunrise:07:25 AM Sunset: 04:42 PM |
Moonrise:10:08 AM Moonset: 08:13 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday |  Overcast |
-0.9 ° C (30.4°F) |
1.2 ° C (34.2°F) |
0.2 ° C (32.3°F) |
% 98 | 0% | 0.1 | Sunrise:07:26 AM Sunset: 04:42 PM |
Moonrise:10:34 AM Moonset: 09:20 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Overcast |
0.4 ° C (32.7°F) |
1.7 ° C (35.1°F) |
2 ° C (35.6°F) |
% 95 | 0% | 0.4 | Sunrise:07:26 AM Sunset: 04:43 PM |
Moonrise:10:58 AM Moonset: 10:27 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
7.8 ° C (46°F) |
12.8 ° C (55.1°F) |
9.8 ° C (49.6°F) |
% 86 | 0% | 0.3 | Sunrise:07:27 AM Sunset: 04:43 PM |
Moonrise:11:20 AM Moonset: 11:35 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Sunny |
7.9 ° C (46.2°F) |
15.2 ° C (59.4°F) |
9.6 ° C (49.3°F) |
% 83 | 0% | 0 | Sunrise:07:27 AM Sunset: 04:44 PM |
Moonrise:11:42 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-2.8 ° C (26.9°F) |
2.2 ° C (35.9°F) |
0.2 ° C (32.4°F) |
% 49 | 0% | 2 | Sunrise:07:27 AM Sunset: 04:45 PM |
Moonrise:12:05 PM Moonset: 12:44 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-6.4 ° C (20.5°F) |
-1.9 ° C (28.6°F) |
-4.6 ° C (23.8°F) |
% 30 | 0% | 2 | Sunrise:07:27 AM Sunset: 04:46 PM |
Moonrise:12:33 PM Moonset: 01:58 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Overcast |
-7.5 ° C (18.5°F) |
0.3 ° C (32.6°F) |
-3.8 ° C (25.2°F) |
% 39 | 0% | 1 | Sunrise:07:28 AM Sunset: 04:46 PM |
Moonrise:01:07 PM Moonset: 03:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-1.1 ° C (29.9°F) |
7.9 ° C (46.2°F) |
2.6 ° C (36.8°F) |
% 76 | 0% | 2 | Sunrise:07:28 AM Sunset: 04:47 PM |
Moonrise:01:49 PM Moonset: 04:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Partly Cloudy |
3 ° C (37.5°F) |
15.5 ° C (59.9°F) |
8.3 ° C (46.9°F) |
% 64 | 0% | 3 | Sunrise:07:28 AM Sunset: 04:48 PM |
Moonrise:02:44 PM Moonset: 05:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Sunny |
3.6 ° C (38.5°F) |
12.3 ° C (54.1°F) |
8.6 ° C (47.5°F) |
% 69 | 0% | 3 | Sunrise:07:28 AM Sunset: 04:49 PM |
Moonrise:03:52 PM Moonset: 07:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Sunny |
-5.2 ° C (22.7°F) |
-1.1 ° C (30°F) |
-2.8 ° C (27°F) |
% 51 | 0% | 2 | Sunrise:07:28 AM Sunset: 04:50 PM |
Moonrise:05:08 PM Moonset: 08:01 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday | Sunny |
-7.2 ° C (19.1°F) |
1.2 ° C (34.2°F) |
-3.7 ° C (25.3°F) |
% 38 | 0% | 2 | Sunrise:07:28 AM Sunset: 04:51 PM |
Moonrise:06:26 PM Moonset: 08:47 AM Moon Phase ( Waning Gibbous ) |
|
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