Nashville Weather Forecast 15 Days, Weather in Nashville Today
Current weather conditions and 15 day weather forecast for Nashville, 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 Nashville
| 26 December 2025 Friday 16.3 ° C / 61.3°F  Overcast |
Feels Like : 16.3 ° C / 61.3°F Humidity : % 100 Pressure : 1013 mb Wind Speed : 12.2 kmph / 7.6 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0.02 mm Cloud (%) : 100 |
15 day weather forecast for Nashville, IL, USA
Weather Forecast for next 15 Days for Nashville 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 Nashville, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 December 2025 Thursday |  Patchy rain nearby |
13.3 ° C (55.9°F) |
18.9 ° C (66°F) |
16.4 ° C (61.4°F) |
% 93 | 82% | 0.2 | Sunrise:07:13 AM Sunset: 04:43 PM |
Moonrise:10:48 AM Moonset: 10:22 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Overcast |
10 ° C (50°F) |
19.9 ° C (67.8°F) |
15.8 ° C (60.4°F) |
% 87 | 0% | 0.5 | Sunrise:07:13 AM Sunset: 04:43 PM |
Moonrise:11:12 AM Moonset: 11:28 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Overcast |
8.1 ° C (46.6°F) |
12.3 ° C (54.2°F) |
10.2 ° C (50.3°F) |
% 93 | 0% | 0.4 | Sunrise:07:14 AM Sunset: 04:44 PM |
Moonrise:11:36 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Moderate rain |
9.5 ° C (49°F) |
18.1 ° C (64.6°F) |
15.9 ° C (60.6°F) |
% 95 | 85% | 0.3 | Sunrise:07:14 AM Sunset: 04:45 PM |
Moonrise:12:01 PM Moonset: 12:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Moderate or heavy snow showers |
-4.5 ° C (24°F) |
-1.1 ° C (30°F) |
-1.9 ° C (28.6°F) |
% 61 | 69% | 0.4 | Sunrise:07:14 AM Sunset: 04:45 PM |
Moonrise:12:30 PM Moonset: 01:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday |  Sunny |
-5.8 ° C (21.5°F) |
2.5 ° C (36.6°F) |
-3.5 ° C (25.7°F) |
% 54 | 0% | 0 | Sunrise:07:14 AM Sunset: 04:46 PM |
Moonrise:01:06 PM Moonset: 03:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-1.9 ° C (28.6°F) |
7 ° C (44.6°F) |
1.7 ° C (35°F) |
% 62 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:47 PM |
Moonrise:01:51 PM Moonset: 04:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
0.9 ° C (33.7°F) |
12.3 ° C (54.1°F) |
5.3 ° C (41.5°F) |
% 65 | 0% | 3 | Sunrise:07:15 AM Sunset: 04:48 PM |
Moonrise:02:46 PM Moonset: 05:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday |  Light freezing rain |
-1.5 ° C (29.4°F) |
0.9 ° C (33.7°F) |
-0.2 ° C (31.7°F) |
% 56 | 83% | 1 | Sunrise:07:15 AM Sunset: 04:49 PM |
Moonrise:03:54 PM Moonset: 06:47 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Light freezing rain |
-5 ° C (23°F) |
2.7 ° C (36.9°F) |
-0.5 ° C (31°F) |
% 44 | 71% | 1 | Sunrise:07:15 AM Sunset: 04:49 PM |
Moonrise:05:09 PM Moonset: 07:47 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Partly Cloudy |
-1.4 ° C (29.4°F) |
8 ° C (46.3°F) |
2.7 ° C (36.8°F) |
% 61 | 0% | 2 | Sunrise:07:15 AM Sunset: 04:50 PM |
Moonrise:06:25 PM Moonset: 08:33 AM Moon Phase ( Waning Gibbous ) |
|
| 05 January 2026 Monday | Patchy rain nearby |
2.9 ° C (37.2°F) |
10.1 ° C (50.1°F) |
7 ° C (44.5°F) |
% 93 | 75% | 2 | Sunrise:07:15 AM Sunset: 04:51 PM |
Moonrise:07:40 PM Moonset: 09:10 AM Moon Phase ( Waning Gibbous ) |
|
| 06 January 2026 Tuesday | Moderate rain |
12 ° C (53.7°F) |
15.9 ° C (60.6°F) |
14.2 ° C (57.6°F) |
% 97 | 87% | 3 | Sunrise:07:15 AM Sunset: 04:52 PM |
Moonrise:08:50 PM Moonset: 09:40 AM Moon Phase ( Waning Gibbous ) |
|
| 07 January 2026 Wednesday | Moderate rain |
5.5 ° C (41.8°F) |
10.2 ° C (50.3°F) |
9.4 ° C (48.9°F) |
% 84 | 84% | 2 | Sunrise:07:15 AM Sunset: 04:53 PM |
Moonrise:09:56 PM Moonset: 10:05 AM Moon Phase ( Waning Gibbous ) |
|
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