Oak Grove Weather Forecast

    • 65
    • 87

    Rain Showers

    • 57
    • 82

    Becoming Sunny

    • 55
    • 81

    Mostly Sunny

    • 65
    • 84

    Partly Sunny

    • 68
    • 85

    Chance Rain Showers

    • 68
    • 83

    Rain Showers Likely

    • 68
    • 84

    Chance Thunderstorms

Today 28 Jul Washington

Showers with Thunderstorms likely. Highs in the mid to upper 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 28 Jul Washington

Partly cloudy. A chance of Showers and Thunderstorms this evening. Lows in the mid 60s. West Winds 10 Mph or less. Gusts up to 25 Mph this evening. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oak Grove Temperature Statistics

July Temperature

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

  • Lowest 15 July, 2026

    62.7 °F

  • Average July

    78.2 °F

  • Highest 3 July, 2026

    98.7 °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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