Norristown Weather Forecast

    • 68
    • 87

    Rain Showers Likely

    • 65
    • 86

    Partly Sunny

    • 64
    • 85

    Mostly Sunny

    • 69
    • 87

    Partly Sunny

    • 71
    • 89

    Partly Sunny

    • 71
    • 92

    Slight Chance Rain Showers

Today 27 Aug Eastern Montgomery

Partly sunny in the Morning, then becoming mostly cloudy. A chance of Thunderstorms. A chance of Showers in the Morning, then Showers likely in the afternoon. Hot with Highs in the mid 80s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

Tonight 27 Aug Eastern Montgomery

Mostly cloudy. Showers likely with a chance of Thunderstorms in the Evening, then a chance of Showers after midnight. Humid with Lows in the upper 60s. South Winds 5 to 10 Mph in the Evening, becoming light and variable. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Norristown Temperature Statistics

August Temperature

Philadelphia - Wings Field Airport (3.7 miles)

  • Lowest 24 August, 2026

    55.9 °F

  • Average August

    75 °F

  • Highest 6 August, 2026

    91.4 °F

Climate (2021–2026)

Philadelphia - Wings Field Airport (3.7 miles)

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  • Average Low 2021–2026

    44.5 °F

  • Average 2021–2026

    55.1 °F

  • Average High 2021–2026

    64.4 °F
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