Highland Terrace Weather Forecast

    • 49
    • 66

    Mostly Cloudy

    • 42
    • 67

    Partly Sunny

    • 46
    • 70

    Mostly Sunny

    • 48
    • 72

    Mostly Sunny

    • 49
    • 70

    Partly Sunny

    • 50
    • 72

    Mostly Sunny

Today 23 Sep Washington

Partly sunny with a slight chance of Showers in the Morning, then partly cloudy in the afternoon. Highs in the lower 60s. East Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

Tonight 23 Sep Washington

Mostly cloudy. Lows around 50. East Winds 10 to 15 Mph with Gusts up to 25 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Highland Terrace Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (13 miles)

  • Lowest 15 September, 2026

    53.1 °F

  • Average September

    71.5 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (13 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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