Canonsburg Weather Forecast

    • 0
    • 15

    Mostly Cloudy

    • 4
    • 19

    Mostly Cloudy

    • 18
    • 27

    Slight Chance Snow

    • 8
    • 31

    Mostly Cloudy

    • 7
    • 25

    Mostly Cloudy

    • 13
    • 25

    Snow Likely

    • 7
    • 32

    Snow

Today 31 Jan Washington

Partly sunny. Very cold. Near steady temperature around 13. North Winds 5 to 10 Mph.

Tonight 31 Jan Washington

Mostly cloudy. A slight chance of Flurries after midnight. Frigid. Lows around 1 below. Northwest Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Canonsburg Temperature Statistics

January Temperature

Washington - Washington County Airport (9.9 miles)

  • Lowest 28 January, 2026

    -4 °F

  • Average January

    25.6 °F

  • Highest 9 January, 2026

    66 °F

Climate (2021–Present)

Washington - Washington County Airport (9.9 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    62.4 °F
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