Riverhead Weather Forecast

    • 63
    • 73

    Decreasing Clouds

    • 58
    • 76

    Rain Showers Likely

    • 55
    • 68

    Mostly Sunny

    • 55
    • 64

    Chance Rain Showers

    • 49
    • 67

    Mostly Sunny

    • 47
    • 58

    Mostly Sunny

Today 1 Oct Northeast Suffolk

Mostly cloudy. Highs in the lower 70s. Southwest Winds 5 to 10 Mph.

Tonight 1 Oct Northeast Suffolk

Mostly cloudy in the Evening, then becoming partly cloudy. Lows in the mid 60s. Southwest Winds 5 to 10 Mph.

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Riverhead Temperature Statistics

October Temperature

The Gabreski Airport (5 miles)

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  • Average October

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Climate (2021–2026)

The Gabreski Airport (5 miles)

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  • Average Low 2021–2026

    43.7 °F

  • Average 2021–2026

    53.4 °F

  • Average High 2021–2026

    61.9 °F
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