Parnassus Weather Forecast

    • 37
    • 63

    Rain

    • 30
    • 51

    Rain

    • 25
    • 36

    Snow Likely

    • 28
    • 38

    Partly Sunny

    • 35
    • 45

    Mostly Cloudy

    • 25
    • 43

    Rain Likely

Today 9 Jan Westmoreland

Rain. Unseasonably warm with Highs in the lower 60s. South Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain 90 percent.

Tonight 9 Jan Westmoreland

Considerable cloudiness. A slight chance of rain in the evening. Patchy fog after midnight. Lows in the upper 30s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming north around 5 Mph after midnight. Chance of rain 20 percent.

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Parnassus Temperature Statistics

January Temperature

Pittsburgh - Allegheny County Airport (16.2 miles)

  • Lowest 3 January, 2026

    12 °F

  • Average January

    26.3 °F

  • Highest 6 January, 2026

    50 °F

Climate (2021–Present)

Pittsburgh - Allegheny County Airport (16.2 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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