Lake Washington Weather Forecast

    • 55
    • 62

    Rain

    • 57
    • 64

    Rain

    • 57
    • 65

    Rain

    • 56
    • 72

    Mostly Cloudy

    • 58
    • 75

    Mostly Cloudy

    • 59
    • 76

    Partly Sunny

Today 26 Sep Orange

Mostly cloudy. A chance of rain in the Morning, then rain likely in the afternoon. Highs in the lower 60s. North Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

Tonight 26 Sep Orange

Rain likely. Lows in the mid 50s. North Winds 15 to 20 Mph with Gusts up to 35 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Lake Washington Temperature Statistics

September Temperature

Newburgh / Stewart (1.2 miles)

  • Lowest 15 September, 2026

    46.4 °F

  • Average September

    66.8 °F

  • Highest 10 September, 2026

    84.2 °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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