Saco River - Thunder Island Weather Forecast

    • 62
    • 81

    Rain Showers

    • 61
    • 88

    Mostly Sunny

    • 63
    • 85

    Partly Sunny

    • 68
    • 87

    Partly Sunny

    • 69
    • 89

    Slight Chance Thunderstorms

    • 67
    • 86

    Slight Chance Rain Showers

Today 3 Aug Coastal York

Areas of fog in the morning. Showers. A slight chance of Thunderstorms in the Morning, then a chance of Thunderstorms in the afternoon. Humid with Highs in the upper 70s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain near 100 percent.

Tonight 3 Aug Coastal York

Partly cloudy with Showers with a slight chance of Thunderstorms in the Evening, then clear after midnight. Humid with Lows in the lower 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable. Chance of rain 90 percent.

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Saco River - Thunder Island Temperature Statistics

August Temperature

Portland, Portland International Jetport (12.4 miles)

  • Lowest

  • Average August

  • Highest

Climate (2021–2026)

Portland, Portland International Jetport (12.4 miles)

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  • Average Low 2021–2026

    40.1 °F
  • Average 2021–2026

    48.7 °F
  • Average High 2021–2026

    57.3 °F
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