Newtown Square Weather Forecast

    • 55
    • 73

    Mostly Sunny

    • 50
    • 74

    Mostly Sunny

    • 53
    • 73

    Slight Chance Rain Showers

    • 56
    • 77

    Partly Sunny

    • 61
    • 82

    Mostly Sunny

    • 67
    • 87

    Partly Sunny

Today 31 May Delaware

Sunny. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 31 May Delaware

Mostly clear in the Evening, then becoming partly cloudy. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

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Newtown Square Temperature Statistics

May Temperature

Philadelphia, Philadelphia International Airport (11.8 miles)

  • Lowest 1 May, 2026

    47.6 °F

  • Average May

    66.4 °F

  • Highest 19 May, 2026

    98.7 °F

Climate (2021–Present)

Philadelphia, Philadelphia International Airport (11.8 miles)

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  • Average Low 2021–2026

    50.2 °F

  • Average 2021–2026

    58.4 °F

  • Average High 2021–2026

    67 °F
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