Herrs Island Weather Forecast

    • 67
    • 85

    Rain Showers

    • 64
    • 85

    Rain Showers Likely

    • 65
    • 86

    Partly Sunny

    • 67
    • 87

    Mostly Sunny

    • 70
    • 90

    Mostly Sunny

    • 70
    • 93

    Partly Sunny

Today 10 Jul Allegheny

Considerable cloudiness. A chance of Showers and Thunderstorms in the Morning, then Showers with Thunderstorms likely in the afternoon. Humid with Highs in the lower 80s. Southwest Winds 5 to 10 Mph. Chance of rain 90 percent.

Tonight 10 Jul Allegheny

Mostly cloudy. Showers with Thunderstorms likely in the Evening, then a chance of Showers with a slight chance of Thunderstorms after midnight. Humid with Lows in the mid 60s. West Winds 5 to 10 Mph in the Evening, becoming light and variable. Chance of rain 90 percent.

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Herrs Island Temperature Statistics

July Temperature

Pittsburgh - Allegheny County Airport (8.1 miles)

  • Lowest 5 July, 2026

    68 °F

  • Average July

    78.9 °F

  • Highest 2 July, 2026

    93 °F

Climate (2021–2026)

Pittsburgh - Allegheny County Airport (8.1 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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