Line Mountain Weather Forecast

    • 57
    • 85

    Decreasing Clouds

    • 57
    • 81

    Mostly Sunny

    • 63
    • 85

    Mostly Sunny

    • 66
    • 88

    Mostly Sunny

    • 68
    • 88

    Chance Thunderstorms

    • 65
    • 85

    Chance Thunderstorms

    • 65
    • 85

    Chance Rain Showers

Today 3 Jul Northumberland

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may be severe with damaging Winds, large Hail, and frequent lightning. Very warm with Highs in the mid 80s. Northwest Winds around 5 Mph. Chance of rain 50 percent.

Tonight 3 Jul Northumberland

Partly cloudy with a chance of Thunderstorms this Evening, then mostly clear after midnight. Some Thunderstorms may be severe with damaging Winds, large Hail, and frequent lightning. Lows in the upper 50s. Northwest Winds around 5 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Line Mountain Temperature Statistics

July Temperature

Selinsgrove Penn Valley Airport (17.4 miles)

  • Lowest 1 July, 2025

    71.1 °F

  • Average July

    75.6 °F

  • Highest 1 July, 2025

    86 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (17.4 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    63.2 °F
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