Atlas Weather Forecast

    • -2
    • 16

    Decreasing Clouds

    • -6
    • 14

    Partly Sunny

    • 3
    • 16

    Partly Sunny

    • 10
    • 20

    Partly Sunny

    • 11
    • 28

    Partly Sunny

    • 12
    • 29

    Partly Sunny

Today 29 Jan Northumberland

Partly sunny with a chance of Flurries. Highs around 20. West Winds 5 to 10 Mph with Gusts up to 20 Mph. Wind chill Values as low as 2 above.

Tonight 29 Jan Northumberland

Partly cloudy in the Evening, then becoming mostly clear. Cold with Lows around zero. Northwest Winds around 5 Mph. Gusts up to 20 Mph in the evening.

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  • Temperature Forecast NOAA

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Atlas Temperature Statistics

January Temperature

Selinsgrove Penn Valley Airport (23 miles)

  • Lowest 21 January, 2026

    0 °F

  • Average January

    27 °F

  • Highest 7 January, 2026

    50 °F

Climate (2021–Present)

Selinsgrove Penn Valley Airport (23 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    63 °F
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