Gastonville Weather Forecast

    • 63
    • 80

    Chance Rain Showers

    • 60
    • 78

    Rain Showers Likely

    • 49
    • 76

    Mostly Sunny

    • 50
    • 75

    Mostly Sunny

    • 52
    • 74

    Partly Sunny

    • 51
    • 72

    Mostly Sunny

Today 26 May Washington

Partly sunny in the Morning, then mostly cloudy with a slight chance of Showers in the afternoon. Highs in the upper 70s. Light and variable Winds, becoming southwest around 5 Mph in the afternoon. Chance of rain 20 percent.

Tonight 26 May Washington

Considerable cloudiness. A slight chance of Showers in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Warm with Lows in the lower 60s. Southwest Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 70 percent.

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Gastonville Temperature Statistics

May Temperature

Pittsburgh - Allegheny County Airport (7.5 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    57.1 °F

  • Highest 18 May, 2026

    87.1 °F

Climate (2021–Present)

Pittsburgh - Allegheny County Airport (7.5 miles)

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  • Average Low 2021–2026

    46 °F

  • Average 2021–2026

    54.6 °F

  • Average High 2021–2026

    63.3 °F
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