Oak Grove Weather Forecast

    • 68
    • 89

    Rain Showers Likely

    • 69
    • 87

    Chance Thunderstorms

    • 71
    • 88

    Chance Thunderstorms

    • 70
    • 89

    Thunderstorms Likely

    • 70
    • 89

    Chance Thunderstorms

    • 71
    • 90

    Slight Chance Thunderstorms

    • 68
    • 91

    Chance Thunderstorms

Today 11 Aug Washington

Mostly sunny with a chance of Showers and Thunderstorms. Highs in the mid to upper 80s. West Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 11 Aug Washington

Mostly cloudy. A chance of Showers and Thunderstorms until early Morning, then a chance of Showers with a slight chance of Thunderstorms late. Some Thunderstorms may be severe with damaging Winds and large hail until early morning. Lows in the upper 60s. Light Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oak Grove Temperature Statistics

August Temperature

Bristol / Johnson / Kingsport, Tri-City Regional Airport (4.3 miles)

  • Lowest 1 August, 2026

    61.6 °F

  • Average August

    75.8 °F

  • Highest 2 August, 2026

    89.7 °F

Climate (2021–2026)

Bristol / Johnson / Kingsport, Tri-City Regional Airport (4.3 miles)

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  • Average Low 2021–2026

    46.6 °F

  • Average 2021–2026

    57.9 °F

  • Average High 2021–2026

    70.3 °F
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