Riverhead Weather Forecast

    • 72
    • 90

    Slight Chance Thunderstorms

    • 75
    • 94

    Mostly Sunny

    • 76
    • 98

    Slight Chance Thunderstorms

    • 72
    • 97

    Chance Rain Showers

    • 69
    • 88

    Chance Rain Showers

    • 68
    • 85

    Chance Rain Showers

Today 1 Jul Northeast Suffolk

Sunny with a slight chance of Showers and Thunderstorms. Near steady temperature in the mid 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 20 percent. Heat index Values in the upper 90s.

Tonight 1 Jul Northeast Suffolk

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows in the lower 70s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening. 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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