Harleysville Weather Forecast

    • 27
    • 34

    Snow Likely

    • 27
    • 39

    Snow Likely

    • 17
    • 34

    Slight Chance Snow

    • 10
    • 33

    Mostly Sunny

    • 8
    • 20

    Mostly Sunny

    • 23
    • 31

    Mostly Cloudy

    • 19
    • 39

    Mostly Cloudy

Today 16 Jan Western Montgomery

Mostly sunny. Near steady temperature in the lower 30s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 16 Jan Western Montgomery

Partly cloudy this Evening, then mostly cloudy with a chance of snow after midnight. Snow accumulation up to 1 inch possible. Cold. Near steady temperature in the upper 20s. South Winds around 5 Mph. Chance of snow 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harleysville Temperature Statistics

January Temperature

Pottstown, Pottstown Limerick Airport (9.3 miles)

  • Lowest 3 January, 2026

    18 °F

  • Average January

    35 °F

  • Highest 8 January, 2026

    53.1 °F

Climate (2021–Present)

Pottstown, Pottstown Limerick Airport (9.3 miles)

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  • Average Low 2021–2026

    44.9 °F

  • Average 2021–2026

    54.8 °F

  • Average High 2021–2026

    64.6 °F
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