Atlas Weather Forecast

    • 47
    • 52

    Rain

    • 47
    • 51

    Rain Likely

    • 45
    • 54

    Chance Rain

    • 44
    • 58

    Slight Chance Rain Showers

    • 46
    • 65

    Mostly Cloudy

    • 51
    • 67

    Chance Rain Showers

    • 53
    • 64

    Chance Rain Showers

Today 21 May Northumberland

Rain, cooler. Near steady temperature in the lower 50s. Southeast Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 80 percent.

Tonight 21 May Northumberland

Rain. Near steady temperature in the upper 40s. Southeast Winds 5 to 10 Mph with Gusts up to 25 Mph. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Atlas Temperature Statistics

May Temperature

Selinsgrove Penn Valley Airport (23 miles)

  • Lowest 10 May, 2025

    41.6 °F

  • Average May

    63.1 °F

  • Highest 17 May, 2025

    82.7 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (23 miles)

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  • Average Low 2020–2025

    42.5 °F

  • Average 2020–2025

    52.7 °F

  • Average High 2020–2025

    63.3 °F
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