National Weather Service forecast

Issaquah, Washington Weather

42°Tonight: Mostly Clear
Wind SSE 2 mph
7-DayHourlyRadar

Issaquah 7-Day Forecast

  1. Tonight
    42°F
    Mostly Clear
    2% chance of precipitation

    Mostly clear, with a low around 42. South southeast wind around 2 mph.

  2. Wednesday
    61°F
    Partly Sunny then Chance Light Rain
    32% chance of precipitation

    A chance of rain after 4pm. Partly sunny. High near 61, with temperatures falling to around 56 in the afternoon. South wind around 2 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

  3. Wednesday Night
    48°F
    Light Rain
    89% chance of precipitation

    Rain. Mostly cloudy. Low around 48, with temperatures rising to around 50 overnight. South wind 3 to 10 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.

  4. Thursday
    59°F
    Partly Sunny
    13% chance of precipitation

    Partly sunny, with a high near 59. South wind 2 to 10 mph. New rainfall amounts less than a tenth of an inch possible.

  5. Thursday Night
    46°F
    Mostly Cloudy then Light Rain Likely
    61% chance of precipitation

    Rain likely after 4am. Mostly cloudy, with a low around 46. South southeast wind 2 to 8 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

  6. Friday
    57°F
    Light Rain Likely
    71% chance of precipitation

    Rain likely. Cloudy, with a high near 57. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

  7. Friday Night
    49°F
    Light Rain Likely
    71% chance of precipitation

    Rain likely. Cloudy, with a low around 49.

  8. Saturday
    66°F
    Chance Light Rain
    29% chance of precipitation

    A chance of rain. Mostly cloudy, with a high near 66.

  9. Saturday Night
    50°F
    Light Rain
    80% chance of precipitation

    Rain. Mostly cloudy, with a low around 50.

  10. Sunday
    57°F
    Light Rain Likely
    71% chance of precipitation

    Rain likely. Mostly cloudy, with a high near 57.

  11. Sunday Night
    44°F
    Slight Chance Light Rain
    17% chance of precipitation

    A slight chance of rain. Mostly cloudy, with a low around 44.

  12. Monday
    58°F
    Chance Light Rain
    39% chance of precipitation

    A chance of rain. Mostly cloudy, with a high near 58.

  13. Monday Night
    47°F
    Chance Light Rain
    54% chance of precipitation

    A chance of rain. Mostly cloudy, with a low around 47.

  14. Tuesday
    60°F
    Light Rain Likely
    56% chance of precipitation

    Rain likely. Mostly cloudy, with a high near 60.

Issued by the National Weather Service (SEW office), updated .

Issaquah Hourly Forecast

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About Issaquah

Population (2020 Census)
40,051
Coordinates
47.546, -122.058
Elevation
200 ft
NWS forecast office
SEW
Time zone
America/Los Angeles
Sunrise today
6:55 AM PST
Sunset today
4:48 PM PST
Daylight today
9 h 53 min

Issaquah Weather Questions

What is the weather forecast for Issaquah, Washington?

Tonight: Mostly clear, with a low around 42. South southeast wind around 2 mph. Wednesday: A chance of rain after 4pm. Partly sunny. High near 61, with temperatures falling to around 56 in the afternoon. South wind around 2 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

Will it rain or snow in Issaquah this week?

The best chance of precipitation is Wednesday Night at 89%. Periods with a 30% chance or more: Wednesday (32%), Wednesday Night (89%), Thursday Night (61%), Friday (71%), Friday Night (71%), Saturday Night (80%), Sunday (71%), Monday (39%), Monday Night (54%), Tuesday (56%).

How warm and how cold will it get in Issaquah this week?

The warmest day is Saturday, with a high near 66°F. The coldest night is Tonight, with a low near 42°F.

What time are sunrise and sunset in Issaquah today?

Sunrise is at 6:55 AM PST and sunset is at 4:48 PM PST, for 9 h 53 min of daylight.

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