Highland Terrace Weather Forecast

    • 68
    • 80

    Slight Chance Thunderstorms

    • 59
    • 79

    Partly Sunny

    • 65
    • 80

    Rain Showers

    • 62
    • 79

    Rain Showers

    • 61
    • 74

    Chance Rain Showers

    • 54
    • 70

    Chance Rain Showers

    • 54
    • 69

    Chance Rain Showers

Today 17 Sep Washington

Partly sunny. A chance of Showers in the morning. Highs in the upper 60s. Chance of rain 40 percent.

Tonight 17 Sep Washington

A slight chance of Thunderstorms this evening. Mostly cloudy with a slight chance of Showers. Warm with Lows in the upper 60s. West Winds 5 to 10 Mph, becoming north after midnight. Chance of rain 20 percent.

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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

    71.9 °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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