Horsham Weather Forecast

    • 65
    • 80

    Rain Showers Likely

    • 59
    • 82

    Rain Showers Likely

    • 55
    • 74

    Mostly Sunny

    • 49
    • 72

    Mostly Sunny

    • 51
    • 71

    Chance Rain Showers

    • 51
    • 69

    Rain Showers Likely

Today 16 May Eastern Montgomery

Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Areas of fog in the morning. Patchy fog in the afternoon. Humid with Highs around 80. South Winds 5 to 10 Mph. Chance of rain 80 percent.

Tonight 16 May Eastern Montgomery

Mostly cloudy. Areas of fog. Near steady temperature in the lower 60s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Horsham Temperature Statistics

May Temperature

Philadelphia - Wings Field Airport (7.5 miles)

  • Lowest 1 May, 2025

    44.4 °F

  • Average May

    64.8 °F

  • Highest 2 May, 2025

    85.3 °F

Climate (2020–Present)

Philadelphia - Wings Field Airport (7.5 miles)

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  • Average Low 2020–2025

    44.8 °F

  • Average 2020–2025

    55.3 °F

  • Average High 2020–2025

    64.7 °F
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