Sammamish Weather Forecast

    • 57
    • 74

    Decreasing Clouds

    • 57
    • 81

    Partly Sunny

    • 55
    • 78

    Mostly Cloudy

    • 53
    • 77

    Mostly Sunny

    • 54
    • 80

    Mostly Sunny

    • 56
    • 83

    Mostly Sunny

Today 26 Jul Eastside

Mostly cloudy. Highs in the lower to mid 70s. South wind around 10 Mph becoming southwest to 10 Mph in the afternoon.

Tonight 26 Jul Eastside

Mostly cloudy with a slight chance of Showers in the Evening, then mostly cloudy after midnight. Lows in the mid to upper 50s. Light wind becoming south around 10 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sammamish Temperature Statistics

July Temperature

Renton Municipal Airport (11.8 miles)

  • Lowest 13 July, 2026

    53.1 °F

  • Average July

    67.8 °F

  • Highest 22 July, 2026

    93.9 °F

Climate (2021–2026)

Renton Municipal Airport (11.8 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    54.7 °F

  • Average High 2021–2026

    62.3 °F
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