Johnson City Weather Forecast 15 Days, Weather in Johnson City Today
Current weather conditions and 15 day weather forecast for Johnson City, 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.
Current weather conditions at Johnson City
| 21 August 2026 Friday 23.3 ° C / 73.9°F  Cloudy |
Feels Like : 25.2 ° C / 77.4°F Humidity : % 72 Pressure : 1017 mb Wind Speed : 4.7 kmph / 2.9 miles from SE  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 86 |
15 day weather forecast for Johnson City, TN, USA
Weather Forecast for next 15 Days for Johnson City 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 Johnson City, Tennessee 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 20 August 2026 Thursday |  Sunny |
19.7 ° C (67.5°F) |
30 ° C (86°F) |
24.2 ° C (75.5°F) |
% 68 | 36% | 9.4 | Sunrise:06:51 AM Sunset: 08:14 PM |
Moonrise:03:27 PM Moonset: 12:03 AM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday |  Moderate rain |
20.1 ° C (68.3°F) |
25.5 ° C (77.9°F) |
22.2 ° C (72°F) |
% 84 | 88% | 9.3 | Sunrise:06:52 AM Sunset: 08:12 PM |
Moonrise:04:25 PM Moonset: 12:47 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday |  Patchy rain nearby |
17.1 ° C (62.8°F) |
24.7 ° C (76.4°F) |
20.8 ° C (69.4°F) |
% 84 | 82% | 8 | Sunrise:06:53 AM Sunset: 08:11 PM |
Moonrise:05:16 PM Moonset: 01:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
14.7 ° C (58.5°F) |
22.9 ° C (73.3°F) |
19.3 ° C (66.8°F) |
% 75 | 38% | 8.4 | Sunrise:06:53 AM Sunset: 08:10 PM |
Moonrise:05:59 PM Moonset: 02:33 AM Moon Phase ( Waxing Gibbous ) |
|
| 24 August 2026 Monday |  Partly Cloudy |
17.1 ° C (62.8°F) |
24.3 ° C (75.7°F) |
20.5 ° C (68.9°F) |
% 68 | 57% | 8.4 | Sunrise:06:54 AM Sunset: 08:09 PM |
Moonrise:06:36 PM Moonset: 03:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 August 2026 Tuesday |  Mist |
16 ° C (60.7°F) |
21.6 ° C (70.8°F) |
19.3 ° C (66.7°F) |
% 91 | 78% | 5 | Sunrise:06:55 AM Sunset: 08:07 PM |
Moonrise:07:07 PM Moonset: 04:32 AM Moon Phase ( Full Moon ) |
|
| 26 August 2026 Wednesday | Mist |
18.6 ° C (65.4°F) |
22.8 ° C (73.1°F) |
20.8 ° C (69.4°F) |
% 89 | 84% | 5 | Sunrise:06:56 AM Sunset: 08:06 PM |
Moonrise:07:34 PM Moonset: 05:32 AM Moon Phase ( Full Moon ) |
|
| 27 August 2026 Thursday |  Light rain shower |
16.2 ° C (61.1°F) |
21.5 ° C (70.7°F) |
19.3 ° C (66.7°F) |
% 94 | 92% | 5 | Sunrise:06:57 AM Sunset: 08:04 PM |
Moonrise:07:59 PM Moonset: 06:31 AM Moon Phase ( Full Moon ) |
|
| 28 August 2026 Friday | Sunny |
19 ° C (66.2°F) |
25 ° C (77°F) |
21.8 ° C (71.2°F) |
% 75 | 9% | 6 | Sunrise:06:57 AM Sunset: 08:03 PM |
Moonrise:08:22 PM Moonset: 07:29 AM Moon Phase ( Full Moon ) |
|
| 29 August 2026 Saturday | Cloudy |
20 ° C (67.9°F) |
25.8 ° C (78.4°F) |
22.6 ° C (72.7°F) |
% 61 | 8% | 7 | Sunrise:06:58 AM Sunset: 08:02 PM |
Moonrise:08:44 PM Moonset: 08:27 AM Moon Phase ( Waning Gibbous ) |
|
| 30 August 2026 Sunday |  Overcast |
19.9 ° C (67.8°F) |
24.3 ° C (75.7°F) |
21.9 ° C (71.5°F) |
% 76 | 61% | 6 | Sunrise:06:59 AM Sunset: 08:00 PM |
Moonrise:09:07 PM Moonset: 09:26 AM Moon Phase ( Waning Gibbous ) |
|
| 31 August 2026 Monday | Overcast |
19.8 ° C (67.7°F) |
24.9 ° C (76.8°F) |
21.9 ° C (71.5°F) |
% 86 | 85% | 5 | Sunrise:07:00 AM Sunset: 07:59 PM |
Moonrise:09:33 PM Moonset: 10:26 AM Moon Phase ( Waning Gibbous ) |
|
| 01 September 2026 Tuesday | Mist |
21.2 ° C (70.1°F) |
23.1 ° C (73.6°F) |
22 ° C (71.6°F) |
% 89 | 90% | 5 | Sunrise:07:01 AM Sunset: 07:57 PM |
Moonrise:10:02 PM Moonset: 11:29 AM Moon Phase ( Waning Gibbous ) |
|
| 02 September 2026 Wednesday | Light rain shower |
21 ° C (69.7°F) |
25.5 ° C (77.8°F) |
22.4 ° C (72.4°F) |
% 85 | 81% | 6 | Sunrise:07:01 AM Sunset: 07:56 PM |
Moonrise:10:36 PM Moonset: 12:34 PM Moon Phase ( Last Quarter ) |
|
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