Sammamish Weather Forecast

    • 53
    • 70

    Mostly Cloudy

    • 53
    • 68

    Mostly Cloudy

    • 51
    • 67

    Mostly Cloudy

    • 50
    • 66

    Mostly Cloudy

    • 51
    • 67

    Chance Rain

    • 51
    • 69

    Chance Rain

Today 28 Jun Eastside

Mostly cloudy. Highs near 70. South wind around 10 Mph.

Tonight 28 Jun Eastside

Mostly cloudy. A slight chance of Showers in the evening. A slight chance of Showers in the morning. Lows in the lower to mid 50s. Southwest wind around 10 Mph becoming south after midnight. Gusts to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Sammamish Temperature Statistics

June Temperature

Renton Municipal Airport (11.8 miles)

  • Lowest 1 June, 2026

    46 °F

  • Average June

    65.2 °F

  • Highest 15 June, 2026

    89.1 °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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