National Weather Service forecast

Grand Coulee, Washington Weather

38°Tonight: Partly Cloudy
Wind NE 2 mph

Grand Coulee 7-Day Forecast

  1. Tonight
    38°F
    Partly Cloudy
    1% chance of precipitation

    Partly cloudy, with a low around 38. Northeast wind around 2 mph.

  2. Wednesday
    56°F
    Sunny
    2% chance of precipitation

    Sunny. High near 56, with temperatures falling to around 49 in the afternoon. South wind 0 to 6 mph.

  3. Wednesday Night
    39°F
    Chance Rain Showers
    40% chance of precipitation

    A chance of rain showers between 10pm and 4am. Mostly cloudy. Low around 39, with temperatures rising to around 41 overnight. Southeast wind around 5 mph. Chance of precipitation is 40%.

  4. Thursday
    55°F
    Mostly Sunny
    11% chance of precipitation

    Mostly sunny, with a high near 55. Southeast wind around 3 mph.

  5. Thursday Night
    38°F
    Partly Cloudy
    8% chance of precipitation

    Partly cloudy, with a low around 38. Southeast wind around 6 mph.

  6. Friday
    55°F
    Mostly Cloudy
    8% chance of precipitation

    Mostly cloudy, with a high near 55.

  7. Friday Night
    41°F
    Mostly Cloudy
    9% chance of precipitation

    Mostly cloudy, with a low around 41.

  8. Saturday
    60°F
    Partly Sunny
    6% chance of precipitation

    Partly sunny, with a high near 60.

  9. Saturday Night
    43°F
    Mostly Cloudy then Slight Chance Rain Showers
    15% chance of precipitation

    A slight chance of rain showers after 4am. Mostly cloudy, with a low around 43. Chance of precipitation is 20%.

  10. Sunday
    60°F
    Slight Chance Rain Showers then Partly Sunny
    15% chance of precipitation

    A slight chance of rain showers before 10am. Partly sunny, with a high near 60. Chance of precipitation is 20%.

  11. Sunday Night
    40°F
    Mostly Cloudy
    1% chance of precipitation

    Mostly cloudy, with a low around 40.

  12. Monday
    57°F
    Partly Sunny then Slight Chance Rain Showers
    15% chance of precipitation

    A slight chance of rain showers after 4pm. Partly sunny, with a high near 57. Chance of precipitation is 20%.

  13. Monday Night
    41°F
    Chance Rain Showers
    32% chance of precipitation

    A chance of rain showers. Mostly cloudy, with a low around 41. Chance of precipitation is 30%.

  14. Tuesday
    59°F
    Chance Rain Showers
    32% chance of precipitation

    A chance of rain showers. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.

Issued by the National Weather Service (OTX office), updated .

Grand Coulee Hourly Forecast

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About Grand Coulee

Population (2020 Census)
972
Coordinates
47.939, -119.002
Elevation
1,627 ft
NWS forecast office
OTX
Time zone
America/Los Angeles
Sunrise today
6:43 AM PST
Sunset today
4:35 PM PST
Daylight today
9 h 51 min

Grand Coulee Weather Questions

What is the weather forecast for Grand Coulee, Washington?

Tonight: Partly cloudy, with a low around 38. Northeast wind around 2 mph. Wednesday: Sunny. High near 56, with temperatures falling to around 49 in the afternoon. South wind 0 to 6 mph.

Will it rain or snow in Grand Coulee this week?

The best chance of precipitation is Wednesday Night at 40%. Periods with a 30% chance or more: Wednesday Night (40%), Monday Night (32%), Tuesday (32%).

How warm and how cold will it get in Grand Coulee this week?

The warmest day is Saturday, with a high near 60°F. The coldest night is Tonight, with a low near 38°F.

What time are sunrise and sunset in Grand Coulee today?

Sunrise is at 6:43 AM PST and sunset is at 4:35 PM PST, for 9 h 51 min of daylight.

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