South Mountain Park Weather Forecast

    • 70
    • 82

    Rain Showers

    • 63
    • 88

    Severe Tstms

    • 63
    • 81

    Mostly Sunny

    • 68
    • 86

    Partly Sunny

    • 72
    • 90

    Partly Sunny

    • 75
    • 94

    Mostly Sunny

Today 18 Jun Lehigh

Cloudy. Areas of fog this morning. A chance of Showers with possible drizzle and Thunderstorms this Morning, then Showers with Thunderstorms likely this afternoon. Some Thunderstorms may produce gusty Winds this afternoon. Highs in the lower 80s. South Winds around 5 Mph, becoming southwest this afternoon. Chance of rain 90 percent.

Tonight 18 Jun Lehigh

Mostly cloudy. A chance of Showers and Thunderstorms in the evening. Patchy fog after midnight. Some Thunderstorms may produce gusty Winds in the evening. Humid with Lows around 70. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

South Mountain Park Temperature Statistics

June Temperature

Allentown Queen City Municipal Airport (1.2 miles)

  • Lowest 1 June, 2025

    44.6 °F

  • Average June

    68.4 °F

  • Highest 5 June, 2025

    87.8 °F

Climate (2020–Present)

Allentown Queen City Municipal Airport (1.2 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    64.1 °F
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