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

Autumn Temperatures for Eastern Third of the Country; Super Typhoon Approaching Guam

Cooler and less humid conditions for the eastern third of the nation as a cold slides off the east coast. Combination of dry and breezy conditions may result in spread of wildfires across the lower Mississippi Valley. In addition, fire weather conditions linger into portions of Southern California. For Guam, a super typhoon is approaching. Read More >

Current conditions at

Tri-Cities Airport (KPSC)

Lat: 46.26955°NLon: 119.11813°WElev: 397.0ft.

Clear

45°F

7°C

Humidity 81%
Wind Speed N 4 MPH
Barometer 30.15 in (1021.0 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 18 Oct 12:00 AM PDT
Extended Forecast for

Pasco WA

  • Overnight

    Overnight: Partly cloudy, with a low around 36. Calm wind.

    Low: 36 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy frost between 8am and 11am. Otherwise, sunny, with a high near 66. Calm wind becoming north 5 to 8 mph in the afternoon.

    High: 66 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 36. Northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 36 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 64. Calm wind.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 35. Light north wind.

    Low: 35 °F

    Mostly Cloudy
    then Patchy
    Frost

  • Tuesday

    Tuesday: Patchy frost before 8am. Otherwise, mostly sunny, with a high near 68.

    High: 68 °F

    Patchy Frost
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 36. Calm wind.
Sunday
Patchy frost between 8am and 11am. Otherwise, sunny, with a high near 66. Calm wind becoming north 5 to 8 mph in the afternoon.
Sunday Night
Increasing clouds, with a low around 36. Northwest wind 5 to 7 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 64. Calm wind.
Monday Night
Patchy frost after 5am. Otherwise, mostly cloudy, with a low around 35. Light north wind.
Tuesday
Patchy frost before 8am. Otherwise, mostly sunny, with a high near 68.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Mostly sunny, with a high near 67.
Wednesday Night
Partly cloudy, with a low around 36.
Thursday
A slight chance of showers before 11am. Mostly sunny, with a high near 67.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Sunny, with a high near 63.
Friday Night
Mostly clear, with a low around 30.
Saturday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pasco WA
 46.26°N 119.11°W (Elev. 400 ft)
Last Update:
11:46 pm PDT Oct 17, 2026
Forecast Valid:
12am PDT Oct 18, 2026-6pm PDT Oct 24, 2026
 
Forecast Discussion
 
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Additional Resources

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