Current weather conditions and 15 day weather forecast for Knoxville Downtown Island Airport, Tennessee, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
| 21 December 2025 Sunday 3.9 ° C / 39°F ![]() Clear |
Feels Like : 1.5 ° C / 34.7°F Humidity : % 67 Pressure : 1019 mb Wind Speed : 9.4 kmph / 5.8 miles from SW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 December 2025 Saturday | Sunny |
-0.5 ° C (31.1°F) |
15.8 ° C (60.4°F) |
5.4 ° C (41.6°F) |
% 59 | 0% | 0.5 | Sunrise:07:42 AM Sunset: 05:25 PM |
Moonrise:08:29 AM Moonset: 05:48 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
2.4 ° C (36.4°F) |
12.1 ° C (53.8°F) |
7.4 ° C (45.3°F) |
% 60 | 0% | 0.5 | Sunrise:07:43 AM Sunset: 05:26 PM |
Moonrise:09:15 AM Moonset: 06:47 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Cloudy |
0.9 ° C (33.6°F) |
14.9 ° C (58.8°F) |
6.6 ° C (43.9°F) |
% 51 | 0% | 0.5 | Sunrise:07:43 AM Sunset: 05:26 PM |
Moonrise:09:54 AM Moonset: 07:51 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Overcast |
5.9 ° C (42.6°F) |
11.7 ° C (53.1°F) |
8.9 ° C (48°F) |
% 73 | 0% | 0.2 | Sunrise:07:44 AM Sunset: 05:27 PM |
Moonrise:10:28 AM Moonset: 08:54 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Cloudy |
10.6 ° C (51.1°F) |
17.3 ° C (63.1°F) |
13.3 ° C (56°F) |
% 87 | 0% | 0.5 | Sunrise:07:44 AM Sunset: 05:27 PM |
Moonrise:10:57 AM Moonset: 09:57 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Mist |
11.6 ° C (52.9°F) |
18 ° C (64.4°F) |
14.1 ° C (57.5°F) |
% 85 | 0% | 0 | Sunrise:07:45 AM Sunset: 05:28 PM |
Moonrise:11:24 AM Moonset: 11:01 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
13.6 ° C (56.5°F) |
16 ° C (60.8°F) |
15.2 ° C (59.4°F) |
% 87 | 89% | 4 | Sunrise:07:45 AM Sunset: 05:29 PM |
Moonrise:11:49 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Cloudy |
8.3 ° C (46.9°F) |
15.3 ° C (59.5°F) |
11.1 ° C (52.1°F) |
% 81 | 0% | 3 | Sunrise:07:45 AM Sunset: 05:29 PM |
Moonrise:12:15 PM Moonset: 12:05 AM Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
5.2 ° C (41.4°F) |
15.1 ° C (59.3°F) |
9.4 ° C (49°F) |
% 73 | 0% | 3 | Sunrise:07:46 AM Sunset: 05:30 PM |
Moonrise:12:42 PM Moonset: 01:11 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Partly Cloudy |
6.2 ° C (43.2°F) |
14.8 ° C (58.6°F) |
10 ° C (50°F) |
% 77 | 0% | 4 | Sunrise:07:46 AM Sunset: 05:31 PM |
Moonrise:01:13 PM Moonset: 02:20 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Overcast |
8.5 ° C (47.3°F) |
16.1 ° C (60.9°F) |
12 ° C (53.6°F) |
% 77 | 0% | 3 | Sunrise:07:46 AM Sunset: 05:31 PM |
Moonrise:01:50 PM Moonset: 03:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Patchy rain nearby |
10.9 ° C (51.5°F) |
18.1 ° C (64.5°F) |
13.8 ° C (56.8°F) |
% 86 | 83% | 3 | Sunrise:07:46 AM Sunset: 05:32 PM |
Moonrise:02:36 PM Moonset: 04:49 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Patchy rain nearby |
11.9 ° C (53.4°F) |
12.6 ° C (54.8°F) |
12.5 ° C (54.5°F) |
% 95 | 72% | 3 | Sunrise:07:46 AM Sunset: 05:33 PM |
Moonrise:03:33 PM Moonset: 06:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Moderate rain |
10.1 ° C (50.2°F) |
12.2 ° C (54°F) |
11.3 ° C (52.4°F) |
% 94 | 85% | 3 | Sunrise:07:47 AM Sunset: 05:34 PM |
Moonrise:04:40 PM Moonset: 07:16 AM Moon Phase ( Waxing Gibbous ) |
|