Lake Washington Weather Forecast

    • 71
    • 90

    Chance Thunderstorms

    • 64
    • 89

    Mostly Sunny

    • 70
    • 90

    Chance Rain Showers

    • 65
    • 88

    Chance Rain Showers

    • 64
    • 85

    Chance Rain Showers

    • 62
    • 85

    Chance Rain Showers

Today 8 Aug Orange

Partly sunny. Patchy fog this morning. A chance of Showers and Thunderstorms this afternoon. Highs in the upper 80s. Southwest Winds 5 to 10 Mph. Gusts up to 20 Mph this afternoon. Chance of rain 40 percent.

Tonight 8 Aug Orange

Partly cloudy. A slight chance of Showers and Thunderstorms in the evening. Humid with Lows around 70. Southwest Winds 5 to 10 Mph. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Washington Temperature Statistics

August Temperature

Newburgh / Stewart (1.2 miles)

  • Lowest 4 August, 2026

    60.8 °F

  • Average August

    75.3 °F

  • Highest 6 August, 2026

    89.6 °F

Climate (2021–2026)

Newburgh / Stewart (1.2 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    52.6 °F

  • Average High 2021–2026

    61.4 °F
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