Harlem Weather Forecast

    • 45
    • 65

    Rain

    • 47
    • 50

    Rain

    • 54
    • 62

    Rain

    • 58
    • 72

    Chance Rain Showers

    • 59
    • 78

    Mostly Cloudy

    • 59
    • 81

    Slight Chance Thunderstorms

Today 22 May Berks

Mostly cloudy with a 20 percent chance of rain. Highs in the upper 60s. Temperature falling into the lower 60s late. East Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 22 May Berks

Cloudy. A slight chance of rain in the Evening, then rain likely after midnight. Lows in the mid 40s. Southeast Winds 5 to 10 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harlem Temperature Statistics

May Temperature

Allentown Queen City Municipal Airport (9.3 miles)

  • Lowest 1 May, 2026

    37.4 °F

  • Average May

    61.4 °F

  • Highest 18 May, 2026

    93.2 °F

Climate (2021–Present)

Allentown Queen City Municipal Airport (9.3 miles)

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  • Average Low 2021–2026

    45.8 °F

  • Average 2021–2026

    54.9 °F

  • Average High 2021–2026

    64 °F
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