Sprague River Mouth Weather Forecast

    • 66
    • 72

    Partly Sunny

    • 66
    • 73

    Slight Chance Rain Showers

    • 65
    • 70

    Chance Thunderstorms

    • 65
    • 75

    Mostly Sunny

    • 65
    • 74

    Chance Rain Showers

    • 62
    • 72

    Chance Rain Showers

Today 6 Aug Sagadahoc

Mostly sunny. Hot with Highs around 90. Light and variable Winds, becoming south around 10 Mph in the afternoon.

Tonight 6 Aug Sagadahoc

Partly cloudy. Patchy fog after midnight. Humid with Lows in the upper 60s. Light and variable Winds.

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  • Temperature Real-Time

Sprague River Mouth Temperature Statistics

August Temperature

Wiscasset Airport (17.4 miles)

  • Lowest 1 August, 2026

    59 °F

  • Average August

    72.3 °F

  • Highest 1 August, 2026

    84.9 °F

Climate (2021–2026)

Wiscasset Airport (17.4 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    58 °F
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