El Cajon Bay Weather Forecast

    • 51
    • 63

    Rain Showers Likely

    • 49
    • 59

    Chance Rain Showers

    • 46
    • 59

    Chance Rain Showers

    • 51
    • 62

    Partly Sunny

    • 55
    • 67

    Mostly Cloudy

    • 55
    • 67

    Slight Chance Rain Showers

Today 5 Sep Alpena

Partly sunny. Chance of rain Showers Early, then chance of rain Showers and slight chance of Thunderstorms in the afternoon. Breezy. Highs in the lower 60s. Southwest Winds 10 to 25 Mph with Gusts to around 45 Mph. Chance of precipitation 50 percent.

Tonight 5 Sep Alpena

Partly cloudy. Lows in the mid 40s. Southwest Winds 5 to 15 Mph with Gusts to around 25 Mph.

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El Cajon Bay Temperature Statistics

September Temperature

Alpena, Alpena County Regional Airport (11.8 miles)

  • Lowest 2 September, 2025

    46.9 °F

  • Average September

    60.9 °F

  • Highest 2 September, 2025

    73.9 °F

Climate (2020–Present)

Alpena, Alpena County Regional Airport (11.8 miles)

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  • Average Low 2020–2025

    37.2 °F

  • Average 2020–2025

    46.9 °F

  • Average High 2020–2025

    56.5 °F
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