Jonestown Weather Forecast

    • 71
    • 93

    Chance Thunderstorms

    • 65
    • 84

    Partly Sunny

    • 70
    • 86

    Rain Showers Likely

    • 64
    • 86

    Chance Thunderstorms

    • 64
    • 84

    Partly Sunny

    • 66
    • 85

    Chance Rain Showers

Today 17 Jul Lebanon

Mostly sunny. A chance of Showers and Thunderstorms in the afternoon. Hot with Highs in the lower 90s. Southwest Winds 10 to 15 Mph. Chance of rain 40 percent. Heat index Values around 100.

Tonight 17 Jul Lebanon

Mostly cloudy with a chance of Showers and Thunderstorms in the Evening, then partly cloudy after midnight. Warm with Lows in the lower 70s. West Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest after midnight. Chance of rain 30 percent.

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Jonestown Temperature Statistics

July Temperature

Muir Army Air Field / Indiantown (4.3 miles)

  • Lowest 5 July, 2025

    58.3 °F

  • Average July

    76.9 °F

  • Highest 7 July, 2025

    90.9 °F

Climate (2020–Present)

Muir Army Air Field / Indiantown (4.3 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    55 °F

  • Average High 2020–2025

    64.3 °F
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