Oak Grove Weather Forecast
- 57
- 77
Rain Showers Likely
- 48
- 73
Mostly Cloudy
- 43
- 74
Mostly Sunny
- 45
- 75
Mostly Sunny
- 47
- 75
Partly Sunny
- 49
- 77
Partly Sunny
Today 23 Sep Washington
Partly sunny. A chance of Showers this Morning, then a chance of Showers and Thunderstorms this afternoon. Highs in the mid to upper 70s. East Winds 10 Mph or less. Chance of rain 50 percent.
Tonight 23 Sep Washington
Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a slight chance of Thunderstorms after midnight. A chance of Showers after midnight. Lows in the upper 50s. East Winds 10 Mph or less. Chance of rain 70 percent.
Oak Grove Temperature Statistics
September Temperature
Bristol / Johnson / Kingsport, Tri-City Regional Airport (4.3 miles)
Lowest 8 September, 2026
58.6 °FAverage September
77.3 °FHighest 4 September, 2026
97.6 °F
Climate (2021–2026)
Bristol / Johnson / Kingsport, Tri-City Regional Airport (4.3 miles)
Average Low 2021–2026
46.6 °FAverage 2021–2026
58 °FAverage High 2021–2026
70.4 °F