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Critical Fire Weather in the West; Monitoring Tropical Storm Erin

Gusty winds and low relative humidity will bring critical fire weather conditions to parts of the Great Basin, interior Northwest, and Rockies Thursday. Red Flag Warnings have been issued. While there is still uncertainty in what impacts might occur to the U.S. east coast next week, the risk of dangerous surf and rip currents across the western Atlantic basin is increasing. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

Lat: 47.49509°NLon: 122.21437°WElev: 23.0ft.

Overcast

67°F

19°C

Humidity 70%
Wind Speed SSW 4 MPH
Barometer 29.97 in (1014.9 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 14 Aug 12:53 AM PDT
Extended Forecast for

Sammamish WA

  • Overnight

    Overnight: A 20 percent chance of rain before 2am. Cloudy, with a low around 58. Calm wind.

    Low: 58 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 72. Light southwest wind.

    High: 72 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly after 11pm. Cloudy, with a low around 59. Light south southeast wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Rain Likely

  • Friday

    Friday: Rain. High near 68. South wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 68 °F

    Rain

  • Friday Night

    Friday Night: Rain. Low around 60. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 60 °F

    Rain

  • Saturday

    Saturday: Rain likely, mainly before 11am. Mostly cloudy, with a high near 73. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 73 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance Rain

  • Sunday

    Sunday: A slight chance of rain. Partly sunny, with a high near 76.

    High: 76 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain before 2am. Cloudy, with a low around 58. Calm wind.
Thursday
A 20 percent chance of rain after 4pm. Mostly cloudy, with a high near 72. Light southwest wind.
Thursday Night
Rain likely, mainly after 11pm. Cloudy, with a low around 59. Light south southeast wind. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Friday
Rain. High near 68. South wind 5 to 7 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Rain. Low around 60. South wind around 7 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Saturday
Rain likely, mainly before 11am. Mostly cloudy, with a high near 73. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
A 30 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 56.
Sunday
A slight chance of rain. Partly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 56.
Monday
Partly sunny, with a high near 76.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
Partly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sammamish WA
 47.62°N 122.04°W (Elev. 469 ft)
Last Update:
8:01 pm PDT Aug 13, 2025
Forecast Valid:
1am PDT Aug 14, 2025-6pm PDT Aug 20, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation