Deronda Bay Weather Forecast

    • 40
    • 45

    Rain Showers

    • 38
    • 50

    Rain Showers

    • 34
    • 42

    Rain Showers

    • 38
    • 45

    Partly Sunny

    • 40
    • 49

    Partly Sunny

    • 40
    • 49

    Mostly Cloudy

Today 17 May Southern Cook/North Shore

Partly sunny. Areas of frost this morning. A slight chance of rain Showers this afternoon. Much cooler with Highs in the upper 40s. East Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain 20 percent.

Tonight 17 May Southern Cook/North Shore

Cloudy with a chance of Thunderstorms. A chance of Showers in the Evening, then Showers after midnight. Near steady temperature in the lower 40s. East Winds 10 to 15 Mph with Gusts up to 35 Mph. Chance of rain 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deronda Bay Temperature Statistics

May Temperature

Grand Marais, The Bay of Grand Marais (29.2 miles)

  • Lowest 2 May, 2026

    26.1 °F

  • Average May

    40.5 °F

  • Highest 15 May, 2026

    70 °F

Climate (2021–Present)

Grand Marais, The Bay of Grand Marais (29.2 miles)

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  • Average Low 2021–2026

    33.6 °F

  • Average 2021–2026

    41.1 °F

  • Average High 2021–2026

    48.3 °F
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