Lake Washington Weather Forecast

    • 61
    • 77

    Chance Rain Showers

    • 63
    • 83

    Mostly Sunny

    • 67
    • 86

    Mostly Cloudy

    • 65
    • 81

    Rain Showers Likely

    • 61
    • 83

    Slight Chance Thunderstorms

    • 63
    • 84

    Mostly Sunny

Today 30 Jul Orange

Mostly cloudy late this Morning, then becoming partly sunny. A chance of Showers late this Morning, then a chance of Showers with isolated Thunderstorms this afternoon. Highs in the mid 70s. North Winds 5 to 10 Mph with Gusts up to 20 Mph. Chance of rain 50 percent.

Tonight 30 Jul Orange

Partly cloudy with a chance of Showers with isolated Thunderstorms in the Evening, then mostly clear after midnight. Lows in the upper 50s. North Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Washington Temperature Statistics

July Temperature

Newburgh / Stewart (1.2 miles)

  • Lowest 20 July, 2026

    51.8 °F

  • Average July

    74.7 °F

  • Highest 2 July, 2026

    102.2 °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

    61.3 °F
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