El Cajon Bay Weather Forecast

    • 45
    • 51

    Chance Rain Showers

    • 55
    • 71

    Rain Showers Likely

    • 42
    • 75

    Rain Showers Likely

    • 38
    • 50

    Partly Sunny

    • 41
    • 49

    Partly Sunny

    • 43
    • 54

    Partly Sunny

Today 17 May Alpena

Mostly cloudy. A 50 percent chance of rain Showers in the afternoon. Highs in the mid 60s. East Winds up to 15 Mph.

Tonight 17 May Alpena

Mostly cloudy with chance of rain Showers Early, then partly cloudy after midnight. Lows in the upper 40s. Southeast Winds 5 to 10 Mph with Gusts to around 20 Mph. Chance of Showers 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

El Cajon Bay Temperature Statistics

May Temperature

Alpena, Alpena County Regional Airport (11.8 miles)

  • Lowest 12 May, 2026

    25.6 °F

  • Average May

    44.5 °F

  • Highest 4 May, 2026

    77.6 °F

Climate (2021–Present)

Alpena, Alpena County Regional Airport (11.8 miles)

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  • Average Low 2021–2026

    36.9 °F

  • Average 2021–2026

    46.6 °F

  • Average High 2021–2026

    56.2 °F
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