El Cajon Bay Weather Forecast

    • 58
    • 66

    Breezy

    • 55
    • 73

    Rain Showers

    • 61
    • 66

    Mostly Cloudy

    • 60
    • 67

    Slight Chance Rain Showers

    • 60
    • 65

    Mostly Cloudy

    • 58
    • 65

    Chance Rain Showers

Today 14 Sep Alpena

Mostly sunny. Highs in the upper 60s. Northwest Winds up to 10 Mph shifting to the southeast in the afternoon.

Tonight 14 Sep Alpena

Mostly cloudy. Isolated rain Showers Early, then rain likely and isolated Thunderstorms after midnight. Lows in the lower 50s. South Winds 10 to 15 Mph. Gusts up to 30 Mph increasing to 40 Mph after midnight. Chance of precipitation 70 percent.

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  • Temperature Real-Time

El Cajon Bay Temperature Statistics

September Temperature

Alpena, Alpena County Regional Airport (11.8 miles)

  • Lowest 11 September, 2026

    44.1 °F

  • Average September

    65.9 °F

  • Highest 1 September, 2026

    86.6 °F

Climate (2021–2026)

Alpena, Alpena County Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    36.8 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    56.2 °F
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