Canonsburg Weather Forecast

    • 55
    • 75

    Partly Sunny

    • 57
    • 76

    Chance Thunderstorms

    • 63
    • 79

    Rain Showers

    • 58
    • 76

    Rain Showers Likely

    • 57
    • 76

    Partly Sunny

    • 59
    • 78

    Slight Chance Thunderstorms

Today 19 Jun Washington

Mostly sunny. Highs in the mid 70s. West Winds 10 to 15 Mph.

Tonight 19 Jun Washington

Mainly clear. Lows in the mid 50s. West Winds 10 to 15 Mph with Gusts up to 25 Mph, Diminishing to around 5 Mph after midnight.

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Canonsburg Temperature Statistics

June Temperature

Washington - Washington County Airport (9.9 miles)

  • Lowest 1 June, 2026

    45 °F

  • Average June

    68.6 °F

  • Highest 8 June, 2026

    86 °F

Climate (2021–2026)

Washington - Washington County Airport (9.9 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    62.6 °F
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