Line Mountain Weather Forecast

    • 44
    • 50

    Rain Showers

    • 23
    • 65

    Rain Showers

    • 18
    • 32

    Partly Sunny

    • 24
    • 37

    Mostly Cloudy

    • 31
    • 45

    Mostly Cloudy

    • 36
    • 52

    Chance Rain Showers

    • 34
    • 54

    Slight Chance Rain Showers

Today 15 Mar Northumberland

Mostly cloudy. Near steady temperature in the upper 40s. Southeast Winds 10 to 15 Mph with Gusts up to 35 Mph.

Tonight 15 Mar Northumberland

A chance of Showers this Evening, then Showers after midnight. Unseasonably mild. Lows in the mid 40s. Temperature rising into the lower 50s after midnight. Southeast Winds 10 to 15 Mph with Gusts up to 40 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Line Mountain Temperature Statistics

March Temperature

Selinsgrove Penn Valley Airport (17.4 miles)

  • Lowest 2 March, 2026

    19.9 °F

  • Average March

    43 °F

  • Highest 10 March, 2026

    77 °F

Climate (2021–Present)

Selinsgrove Penn Valley Airport (17.4 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    63 °F
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