Jamestown Weather Forecast

    • 63
    • 80

    Increasing Clouds

    • 70
    • 78

    Partly Sunny

    • 65
    • 80

    Slight Chance Rain Showers

    • 61
    • 75

    Mostly Sunny

    • 64
    • 72

    Partly Sunny

    • 64
    • 74

    Partly Sunny

Today 8 Sep Newport

Mostly sunny. Highs around 80. Northwest Winds 5 to 10 Mph, becoming west in the afternoon.

Tonight 8 Sep Newport

Mostly cloudy. Lows in the lower 60s. Southeast Winds 5 to 10 Mph.

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Jamestown Temperature Statistics

September Temperature

Newport, Newport State Airport (4.3 miles)

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  • Average September

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Climate (2021–2026)

Newport, Newport State Airport (4.3 miles)

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  • Average Low 2021–2026

    44.7 °F
  • Average 2021–2026

    52 °F
  • Average High 2021–2026

    59.1 °F
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