Riverhead Weather Forecast

    • 72
    • 90

    Slight Chance Thunderstorms

    • 75
    • 94

    Mostly Sunny

    • 76
    • 98

    Slight Chance Thunderstorms

    • 73
    • 97

    Chance Rain Showers

    • 70
    • 88

    Chance Rain Showers

    • 69
    • 85

    Chance Rain Showers

Today 1 Jul Northeast Suffolk

Partly sunny. A chance of Showers with a slight chance of Thunderstorms this morning. Highs in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 30 percent.

Tonight 1 Jul Northeast Suffolk

Partly cloudy with a slight chance of Showers and Thunderstorms. Humid with Lows in the lower 70s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent.

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Riverhead Temperature Statistics

July Temperature

The Gabreski Airport (5 miles)

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  • Average July

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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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