Rattlesnake Mountain Weather Forecast

    • 48
    • 64

    Increasing Clouds

    • 46
    • 65

    Partly Sunny

    • 51
    • 65

    Rain Showers Likely

    • 46
    • 63

    Chance Rain Showers

    • 46
    • 62

    Chance Rain Showers

    • 45
    • 55

    Rain Showers

Today 15 Jun Foothills and Valleys of Central King County

Sunny. Patchy fog in the morning. Highs in the lower to mid 70s. Light wind.

Tonight 15 Jun Foothills and Valleys of Central King County

Partly cloudy. Patchy fog in the morning. Lows in the mid to upper 40s. Light wind.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Rattlesnake Mountain Temperature Statistics

June Temperature

Stampede Pass (24.2 miles)

  • Lowest 1 June, 2025

    36 °F

  • Average June

    54.5 °F

  • Highest 8 June, 2025

    81 °F

Climate (2020–Present)

Stampede Pass (24.2 miles)

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  • Average Low 2020–2025

    36.2 °F

  • Average 2020–2025

    41.5 °F

  • Average High 2020–2025

    48.4 °F
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