Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Current conditions at

Renton Municipal Airport (KRNT)

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

Clear

64°F

18°C

Humidity 77%
Wind Speed S 8 MPH
Barometer 29.99 in (1015.58 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 Jul 02:20 AM PDT
Extended Forecast for

2 Miles WNW Newcastle WA

  • Overnight

    Overnight: A slight chance of rain before 4am, then a slight chance of rain after 5am.  Mostly cloudy, with a low around 65. South wind around 11 mph.  Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A 40 percent chance of rain between 9am and 11am.  Partly sunny, with a high near 80. Southwest wind 6 to 9 mph.

    High: 80 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm  in the evening.

    Low: 62 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 61. West northwest wind 5 to 9 mph becoming south southwest after midnight.

    Low: 61 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: A slight chance of rain after 11am.  Partly sunny, with a high near 75.

    High: 75 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 58.

    Low: 58 °F

    Mostly Cloudy

Detailed Forecast

Overnight
A slight chance of rain before 4am, then a slight chance of rain after 5am. Mostly cloudy, with a low around 65. South wind around 11 mph. Chance of precipitation is 20%.
Thursday
A 40 percent chance of rain between 9am and 11am. Partly sunny, with a high near 80. Southwest wind 6 to 9 mph.
Thursday Night
Partly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 84. Light and variable wind.
Friday Night
Mostly clear, with a low around 61. West northwest wind 5 to 9 mph becoming south southwest after midnight.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
A slight chance of rain after 11am. Partly sunny, with a high near 75.
Sunday Night
Mostly cloudy, with a low around 58.
Monday
Partly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 58.
Tuesday
Partly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 77.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Newcastle WA
 47.54°N 122.17°W (Elev. 397 ft)
11:26 pm PDT Jul 22, 2026
2am PDT Jul 23, 2026-6pm PDT Jul 29, 2026
 
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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