Horsham Weather Forecast

    • 25
    • 46

    Mostly Cloudy

    • 41
    • 44

    Rain

    • 25
    • 55

    Rain Showers Likely

    • 32
    • 38

    Mostly Cloudy

    • 24
    • 46

    Mostly Sunny

    • 24
    • 36

    Partly Sunny

    • 32
    • 42

    Chance Rain

Today 17 Dec Eastern Montgomery

Partly sunny and not as cool. Near steady temperature in the mid 40s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 17 Dec Eastern Montgomery

Mostly cloudy. Patchy freezing fog after midnight. Cold with Lows in the mid 20s. Northwest Winds around 5 Mph.

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  • Temperature Real-Time

Horsham Temperature Statistics

December Temperature

Philadelphia - Wings Field Airport (7.5 miles)

  • Lowest 9 December, 2025

    8.8 °F

  • Average December

    29.6 °F

  • Highest 10 December, 2025

    43.3 °F

Climate (2020–Present)

Philadelphia - Wings Field Airport (7.5 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    64.5 °F
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