Northumberland County Airport Weather Forecast

    • 41
    • 60

    Increasing Clouds

    • 48
    • 66

    Partly Sunny

    • 49
    • 72

    Rain Showers

    • 42
    • 60

    Chance Rain Showers

    • 43
    • 64

    Chance Rain Showers

    • 40
    • 58

    Slight Chance Rain Showers

Today 17 Oct Northumberland

Areas of frost this morning. Sunny. Highs in the lower 60s. Northwest Winds around 5 Mph.

Tonight 17 Oct Northumberland

Mostly clear in the Evening, then becoming partly cloudy. Lows in the lower 40s. North Winds around 5 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Northumberland County Airport Temperature Statistics

October Temperature

Selinsgrove Penn Valley Airport (16.2 miles)

  • Lowest 10 October, 2025

    32 °F

  • Average October

    56.6 °F

  • Highest 5 October, 2025

    82.9 °F

Climate (2020–Present)

Selinsgrove Penn Valley Airport (16.2 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    63.3 °F
Get WillyWeather+ to remove ads