Lake Washington Weather Forecast

    • 60
    • 79

    Chance Thunderstorms

    • 58
    • 78

    Slight Chance Thunderstorms

    • 56
    • 79

    Partly Sunny

    • 62
    • 82

    Partly Sunny

    • 66
    • 82

    Rain Showers Likely

    • 62
    • 84

    Chance Rain Showers

    • 58
    • 81

    Partly Sunny

Today 23 Aug Orange

Partly sunny with a chance of Showers and Thunderstorms. Near steady temperature in the upper 70s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain 40 percent.

Tonight 23 Aug Orange

Partly cloudy with a chance of Showers and Thunderstorms in the Evening, then clear after midnight. Lows in the mid 50s. Southwest Winds 5 to 10 Mph. Chance of rain 40 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Washington Temperature Statistics

August Temperature

Newburgh / Stewart (1.2 miles)

  • Lowest 15 August, 2026

    59 °F

  • Average August

    73.8 °F

  • Highest 6 August, 2026

    89.6 °F

Climate (2021–2026)

Newburgh / Stewart (1.2 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    52.5 °F

  • Average High 2021–2026

    61.4 °F
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