Fall Branch Weather Forecast
- 68
- 90
Chance Thunderstorms
- 66
- 89
Chance Thunderstorms
- 66
- 89
Chance Rain Showers
- 66
- 88
Chance Thunderstorms
- 65
- 88
Chance Thunderstorms
- 64
- 85
Rain Showers Likely
Today 17 Sep Washington
Mostly sunny. A slight chance of Showers and Thunderstorms early in the afternoon. A chance of Showers and Thunderstorms late. Highs in the upper 80s to lower 90s. Light Winds. Chance of rain 50 percent.
Tonight 17 Sep Washington
Partly cloudy. Lows in the upper 60s. Light Winds.
Fall Branch Temperature Statistics
September Temperature
Bristol / Johnson / Kingsport, Tri-City Regional Airport (13 miles)
Lowest 8 September, 2026
58.6 °FAverage September
77.4 °FHighest 4 September, 2026
97.6 °F
Climate (2021–2026)
Bristol / Johnson / Kingsport, Tri-City Regional Airport (13 miles)
Average Low 2021–2026
46.6 °FAverage 2021–2026
58 °FAverage High 2021–2026
70.3 °F