Highland Terrace Weather Forecast

    • 58
    • 76

    Chance Rain Showers

    • 56
    • 68

    Rain Showers

    • 53
    • 68

    Rain Showers Likely

    • 51
    • 65

    Rain Showers Likely

    • 47
    • 65

    Slight Chance Rain Showers

    • 46
    • 68

    Partly Sunny

    • 49
    • 71

    Partly Sunny

Today 20 Sep Washington

Partly cloudy. Highs in the lower 70s.

Tonight 20 Sep Washington

A slight chance of Thunderstorms this evening. Mostly cloudy with a chance of Showers. Patchy fog. Some Thunderstorms may produce heavy rainfall this evening. Lows in the upper 50s. Northeast Winds 5 to 10 Mph. Chance of rain 50 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

    72 °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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