Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

Port Townsend Jefferson County International Airport (K0S9)

Lat: 48.05517°NLon: 122.81159°WElev: 105.0ft.

Overcast

48°F

9°C

Humidity 87%
Wind Speed N 3 MPH
Barometer 29.93 in (1013.55 mb)
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 13 Apr 05:55 AM PDT
Extended Forecast for

Chimacum WA

  • Today

    Today: A 40 percent chance of rain.  Cloudy, with a high near 52. Calm wind becoming north northwest around 5 mph in the afternoon.

    High: 52 °F

    Chance Rain

  • Tonight

    Tonight: Rain likely, mainly after 4am.  Cloudy, with a low around 40. Light and variable wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 52. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph.  Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 11pm.  Low around 34. South wind 6 to 13 mph becoming west in the evening. Winds could gust as high as 26 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 34 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm.  High near 50. Light and variable wind becoming west northwest 5 to 7 mph in the morning.  Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 50 °F

    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain before 11pm.  Partly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
A 40 percent chance of rain. Cloudy, with a high near 52. Calm wind becoming north northwest around 5 mph in the afternoon.
Tonight
Rain likely, mainly after 4am. Cloudy, with a low around 40. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday
Rain. High near 52. Light south wind increasing to 9 to 14 mph in the morning. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain, mainly before 11pm. Low around 34. South wind 6 to 13 mph becoming west in the evening. Winds could gust as high as 26 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain, mainly between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 50. Light and variable wind becoming west northwest 5 to 7 mph in the morning. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A 40 percent chance of rain before 11pm. Partly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 58.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42.
Sunday
A chance of rain. Mostly cloudy, with a high near 58.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Chimacum WA
 48.02°N 122.76°W (Elev. 194 ft)
11:27 pm PDT Apr 12, 2026
6am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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