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

Severe Thunderstorms in the Midwest and Arizona; Heat Continues in the Southeast and Southwest

Thunderstorms, some severe, may lead to scattered instances of flash flooding across the Midwest and Ohio Valley and southern Arizona. The threat will shift to the Mid-Atlantic coast on Thursday. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

CW1035 Port Townsend (C1035)

Lat: 48.12517°NLon: 122.762°WElev: 244.46ft.

NA

57°F

14°C

Humidity 89%
Wind Speed W 0 MPH
Barometer 30.0 in (1015.92 mb)
Dewpoint 54°F (12°C)
Visibility NA
Last update 20 Aug 12:22 AM PDT
Extended Forecast for

Coupeville WA

  • Overnight

    Overnight: Partly cloudy, with a low around 53. Light west northwest wind.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68. Calm wind becoming west northwest 5 to 8 mph in the morning.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 55. West northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 69. Calm wind becoming west northwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 56. West wind 3 to 7 mph.

    Low: 56 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Rain likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Rain Likely

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance Rain
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain before 11am. Mostly cloudy, with a high near 64.

    High: 64 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 54.

    Low: 54 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. Light west northwest wind.
Thursday
Mostly sunny, with a high near 68. Calm wind becoming west northwest 5 to 8 mph in the morning.
Thursday Night
Partly cloudy, with a low around 55. West northwest wind around 5 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 69. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Friday Night
A 20 percent chance of rain after 11pm. Mostly cloudy, with a low around 56. West wind 3 to 7 mph.
Saturday
Rain likely. Mostly cloudy, with a high near 64. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A 50 percent chance of rain, mainly before 11pm. Mostly cloudy, with a low around 54.
Sunday
A slight chance of rain before 11am. Mostly cloudy, with a high near 64.
Sunday Night
Mostly cloudy, with a low around 54.
Monday
Partly sunny, with a high near 66.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
A slight chance of rain. Partly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Coupeville WA
 48.2°N 122.69°W (Elev. 62 ft)
Last Update:
11:26 pm PDT Aug 19, 2026
Forecast Valid:
12am PDT Aug 20, 2026-6pm PDT Aug 26, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation