California Weather Forecast

    • 66
    • 87

    Rain Showers

    • 59
    • 83

    Rain Showers Likely

    • 52
    • 74

    Partly Sunny

    • 61
    • 82

    Mostly Sunny

    • 65
    • 86

    Chance Rain Showers

    • 63
    • 85

    Chance Rain Showers

Today 12 Sep Washington

Partly sunny with a chance of Showers and Thunderstorms. Some Thunderstorms may produce heavy rainfall. Unseasonably warm. Near steady temperature in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 12 Sep Washington

Considerable cloudiness. Showers with Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Patchy fog. Some Thunderstorms may produce heavy rainfall in the evening. Some Thunderstorms may produce heavy rainfall after midnight. Warm with Lows in the mid 60s. Southwest Winds around 5 Mph. Chance of rain 90 percent.

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California Temperature Statistics

September Temperature

Pittsburgh - Allegheny County Airport (19.9 miles)

  • Lowest 6 September, 2026

    57.9 °F

  • Average September

    73.5 °F

  • Highest 2 September, 2026

    91 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (19.9 miles)

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  • Average Low 2021–2026

    46.1 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    63.3 °F
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