Gastonville Weather Forecast

    • 49
    • 60

    Rain Showers

    • 51
    • 69

    Rain Showers

    • 44
    • 69

    Rain Showers Likely

    • 36
    • 60

    Partly Sunny

    • 46
    • 61

    Rain Showers

    • 46
    • 65

    Rain Showers

    • 47
    • 65

    Slight Chance Thunderstorms

Today 8 May Washington

Mostly cloudy with a 20 percent chance of Showers. Near steady temperature in the lower 60s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 8 May Washington

A slight chance of Showers this Evening, then Showers after midnight. Lows in the upper 40s. Northeast Winds 5 to 10 Mph, becoming southeast with Gusts up to 20 Mph after midnight. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Gastonville Temperature Statistics

May Temperature

Pittsburgh - Allegheny County Airport (7.5 miles)

  • Lowest 2 May, 2026

    34 °F

  • Average May

    52.4 °F

  • Highest 5 May, 2026

    73.9 °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

    63.4 °F
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