Gastonville Weather Forecast

    • 28
    • 45

    Decreasing Clouds

    • 13
    • 33

    Mostly Sunny

    • 32
    • 39

    Rain

    • 30
    • 49

    Chance Rain

    • 34
    • 42

    Rain

    • 49
    • 56

    Rain Likely

Today 20 Dec Washington

Partly sunny. Highs in the mid 40s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 20 Dec Washington

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the upper 20s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gastonville Temperature Statistics

December Temperature

Pittsburgh - Allegheny County Airport (7.5 miles)

  • Lowest 15 December, 2025

    7 °F

  • Average December

    27.8 °F

  • Highest 18 December, 2025

    57.9 °F

Climate (2020–Present)

Pittsburgh - Allegheny County Airport (7.5 miles)

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  • Average Low 2020–2025

    46.1 °F

  • Average 2020–2025

    54.6 °F

  • Average High 2020–2025

    63.2 °F
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