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

Ephrata, Ephrata Municipal Airport (KEPH)

Lat: 47.3075°NLon: 119.51583°WElev: 1276.0ft.

Clear

61°F

16°C

Humidity 31%
Wind Speed NNE 5 MPH
Barometer 30.17 in (1021.67 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 21 May 07:35 AM PDT
Extended Forecast for

4 Miles WSW Coulee City WA

  • Today

    Today: Increasing clouds, with a high near 77. North wind around 6 mph becoming light and variable.

    High: 77 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 53. South wind 5 to 8 mph becoming calm in the evening.

    Low: 53 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 82. Light and variable wind becoming south 5 to 8 mph in the morning.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. South wind 5 to 9 mph becoming calm after midnight.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85. Light and variable wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 55. Breezy.

    Low: 55 °F

    Partly Cloudy
    and Breezy

  • Sunday

    Sunday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 52. Breezy.

    Low: 52 °F

    Slight Chance
    Showers and
    Breezy

  • Memorial Day

    Memorial Day: A 20 percent chance of showers after 11am. Partly sunny, with a high near 70.

    High: 70 °F

    Slight Chance
    Showers

Detailed Forecast

Today
Increasing clouds, with a high near 77. North wind around 6 mph becoming light and variable.
Tonight
Partly cloudy, with a low around 53. South wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 82. Light and variable wind becoming south 5 to 8 mph in the morning.
Friday Night
Partly cloudy, with a low around 55. South wind 5 to 9 mph becoming calm after midnight.
Saturday
Mostly sunny, with a high near 85. Light and variable wind becoming southwest 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 55. Breezy.
Sunday
Mostly sunny, with a high near 78.
Sunday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 52. Breezy.
Memorial Day
A 20 percent chance of showers after 11am. Partly sunny, with a high near 70.
Monday Night
A 20 percent chance of showers before 11pm. Mostly cloudy, with a low around 47.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 50.
Wednesday
A 20 percent chance of showers. Mostly sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Coulee City WA
 47.6°N 119.37°W (Elev. 1555 ft)
Last Update:
4:31 am PDT May 21, 2026
Forecast Valid:
7am PDT May 21, 2026-6pm PDT May 27, 2026
 
Forecast Discussion
 
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Additional Resources

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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