Flat Island Weather Forecast

    • 55
    • 68

    Mostly Cloudy

    • 54
    • 61

    Chance Rain Showers

    • 60
    • 72

    Partly Sunny

    • 65
    • 83

    Partly Sunny

    • 63
    • 84

    Chance Rain Showers

    • 62
    • 81

    Slight Chance Rain Showers

Today 6 Jul Coastal Waldo

Partly sunny. Highs in the upper 70s. Light and variable Winds, becoming southeast around 10 Mph in the afternoon.

Tonight 6 Jul Coastal Waldo

Mostly cloudy. Lows in the mid 50s. Light and variable Winds.

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  • Temperature Real-Time

Flat Island Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (18.6 miles)

  • Lowest 1 July, 2026

    60.1 °F

  • Average July

    77.8 °F

  • Highest 2 July, 2026

    91.9 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (18.6 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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