Lewis Island Weather Forecast

    • 53
    • 64

    Mostly Sunny

    • 58
    • 70

    Rain Showers

    • 49
    • 67

    Rain Showers

    • 53
    • 65

    Chance Rain Showers

    • 46
    • 65

    Slight Chance Rain Showers

    • 43
    • 59

    Partly Sunny

    • 44
    • 60

    Partly Sunny

Today 18 Oct Southern New Haven

Sunny. Near steady temperature in the mid 60s. Southwest Winds around 5 Mph.

Tonight 18 Oct Southern New Haven

Partly cloudy in the Evening, then becoming mostly clear. Patchy fog after midnight. Lows in the lower 50s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lewis Island Temperature Statistics

October Temperature

New Haven, Tweed-New Haven Airport (6.2 miles)

  • Lowest 10 October, 2025

    39.9 °F

  • Average October

    61.2 °F

  • Highest 5 October, 2025

    82 °F

Climate (2020–Present)

New Haven, Tweed-New Haven Airport (6.2 miles)

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  • Average Low 2020–2025

    47.7 °F

  • Average 2020–2025

    55.9 °F

  • Average High 2020–2025

    63.8 °F
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