Oak Grove Weather Forecast

    • 45
    • 76

    Rain Showers Likely

    • 41
    • 67

    Mostly Sunny

    • 53
    • 76

    Mostly Sunny

    • 58
    • 85

    Chance Thunderstorms

    • 61
    • 89

    Partly Sunny

    • 63
    • 91

    Slight Chance Thunderstorms

Today 13 May Washington

Mostly sunny. A chance of Showers with a slight chance of Thunderstorms early in the afternoon. Showers likely with a chance of Thunderstorms late. Highs in the lower to mid 70s. Southwest Winds 5 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 13 May Washington

Partly cloudy with a chance of Showers in the Evening, then partly cloudy after midnight. Lows in the upper 40s. Northwest Winds 10 Mph or less. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Oak Grove Temperature Statistics

May Temperature

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

  • Lowest 3 May, 2026

    32.6 °F

  • Average May

    57.7 °F

  • Highest 10 May, 2026

    80.1 °F

Climate (2021–Present)

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

    70.2 °F
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