National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

MARTEN RIDGE (MRTW1)

Lat: 48.76292°NLon: 121.69823°WElev: 3520.0ft.

NA

49°F

9°C

Humidity NA
Wind Speed NA NA MPH
Barometer NA
Dewpoint N/A
Visibility NA
Last update NA
Extended Forecast for

Newhalem WA

  • Tonight

    Tonight: Mostly clear, with a low around 42. Light and variable wind.

    Low: 42 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers after 3pm. Increasing clouds, with a high near 54. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.

    High: 54 °F

    Sunny then
    Slight Chance
    Showers

  • Friday Night

    Friday Night: Showers likely. Mostly cloudy, with a low around 45. West southwest wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 45 °F

    Showers
    Likely

  • Saturday

    Saturday: Showers likely, mainly before 11am. Partly sunny, with a high near 51. West wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 51 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 40. West wind 5 to 8 mph becoming northeast in the evening.

    Low: 40 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 42. Light and variable wind.
Friday
A 20 percent chance of showers after 3pm. Increasing clouds, with a high near 54. Light and variable wind becoming west southwest 5 to 8 mph in the afternoon.
Friday Night
Showers likely. Mostly cloudy, with a low around 45. West southwest wind around 6 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
Showers likely, mainly before 11am. Partly sunny, with a high near 51. West wind 3 to 6 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 40. West wind 5 to 8 mph becoming northeast in the evening.
Sunday
Sunny, with a high near 55.
Sunday Night
Clear, with a low around 41.
Monday
Sunny, with a high near 61.
Monday Night
Clear, with a low around 45.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 58.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 44.
Thursday
A chance of showers. Partly sunny, with a high near 55.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newhalem WA
 48.67°N 121.23°W (Elev. 1493 ft)
Last Update:
2:25 pm PDT Oct 2, 2025
Forecast Valid:
6pm PDT Oct 2, 2025-6pm PDT Oct 9, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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