Sammamish Valley Weather Forecast

    • 47
    • 53

    Chance Rain

    • 43
    • 58

    Patchy Fog

    • 41
    • 51

    Mostly Cloudy

    • 37
    • 51

    Partly Sunny

    • 37
    • 52

    Mostly Sunny

    • 35
    • 53

    Mostly Sunny

    • 36
    • 52

    Partly Sunny

Today 12 Jan Eastside

Cloudy with rain likely in the Morning, then cloudy with a chance of rain in the afternoon. Rainfall Amounts less than a tenth of an inch likely. Highs in the lower to mid 50s. South wind around 10 Mph with Gusts to 20 Mph.

Tonight 12 Jan Eastside

Mostly cloudy. A slight chance of rain in the evening. Lows in the upper 40s. South wind to 10 Mph. Gusts to 20 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Sammamish Valley Temperature Statistics

January Temperature

Boeing Field - King County International Airport (13 miles)

  • Lowest 1 January, 2026

    33.1 °F

  • Average January

    43.7 °F

  • Highest 3 January, 2026

    54 °F

Climate (2021–Present)

Boeing Field - King County International Airport (13 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    54.1 °F

  • Average High 2021–2026

    61.5 °F
Get WillyWeather+ to remove ads