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Slater, Washington Weather Forecast
Slater, Washington Weather
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Weather Forecast for Slater, Washington : Walla Walla County
Issued: 3:15 am PST Dec 16, 2025 Latitude: 46.1865246 Longitude: -118.8069399 View on Google Maps

MouseOver for Detail Forecast
Overnight Tuesday Wednesday Thursday Friday Saturday Sunday Monday
20% chance of rain on Overnight 20% chance of rain on Tuesday 30% chance of rain on Wednesday 90% chance of rain on Thursday 60% chance of rain on Friday 10% chance of rain & snow on Saturday 20% chance of rain & snow on Sunday 20% chance of rain on Monday
Low: 48°F High: 59°F High: 50°F High: 53°F High: 47°F High: 45°F High: 42°F High: 47°F
Low: 42°F Low: 39°F Low: 41°F Low: 34°F Low: 31°F Low: 33°F  
Rain Rain Rain Rain Rain Rain & Snow Rain & Snow Rain
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Current Conditions at
PASCO - (KPSC)
52°
Cloudy
as of 3:53 AM PST
Rel. Humidity: 71%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.05 in.
Flight Rule: VFR
Wind Data
7 MPH
220° Southwest
Cloud Level(s): Solid Overcast at 7000ft
Current Conditions at
WALLA WALLA - (KALW)
52°
Partly Cloudy
as of 3:53 AM PST
Rel. Humidity: 71%
Dew Point: 43°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
8 MPH
190° South
Cloud Level(s): Scattered at 6000ft
Current Conditions at
HERMISTON - (KHRI)
46°
Clear
as of 3:53 AM PST
Rel. Humidity: 81%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
6 MPH
180° South
Cloud Level(s): Clear
Current Conditions at
PENDLETON - (KPDT)
45°
Clear
as of 3:53 AM PST
Rel. Humidity: 87%
Dew Point: 41°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
20% chance of rain Overnight Overnight... A 20 percent chance of rain. Mostly cloudy, with a steady temperature around 48. South wind around 11 mph, with gusts as high as 20 mph.
20% chance of rain Tuesday Tuesday... A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 59. Southwest wind 13 to 16 mph, with gusts as high as 25 mph.
90% chance of rain Tuesday Night Tuesday Night... Rain, mainly between 10pm and 4am. Low around 42. Windy, with a southwest wind 16 to 21 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 46 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
30% chance of rain Wednesday Wednesday... A 30 percent chance of rain before 10am. Mostly sunny, with a high near 50. Windy, with a southwest wind 26 to 30 mph, with gusts as high as 41 mph.
20% chance of rain Wednesday Night Wednesday Night... A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 39. South wind 10 to 14 mph, with gusts as high as 23 mph.
90% chance of rain Thursday Thursday... Rain. High near 53. Chance of precipitation is 90%.
80% chance of rain Thursday Night Thursday Night... Rain. Low around 41. Chance of precipitation is 80%.
60% chance of rain Friday Friday... Rain likely, mainly before 10am. Partly sunny, with a high near 47. Chance of precipitation is 60%.
30% chance of rain & snow Friday Night Friday Night... A chance of rain before 10pm, then a slight chance of snow after 4am. Partly cloudy, with a low around 34. Chance of precipitation is 30%.
10% chance of rain & snow Saturday Saturday... A slight chance of rain and snow before 10am, then a slight chance of rain. Snow level 1900 feet rising to 2400 feet in the afternoon. Mostly sunny, with a high near 45.
10% chance of rain Saturday Night Saturday Night... A slight chance of rain. Partly cloudy, with a low around 31.
20% chance of rain & snow Sunday Sunday... A chance of rain and snow. Partly sunny, with a high near 42.
20% chance of rain Sunday Night Sunday Night... A chance of rain. Mostly cloudy, with a low around 33.
20% chance of rain Monday Monday... A chance of rain. Partly sunny, with a high near 47.
Current Radar Image


Sun Almanac for Slater, Washington
Sunrise: 07:32 AM
Sunset: 4:10 PM
Civil Sunrise:06:57 AM
Civil Sunset: 4:45 PM
Nautical Sunrise: 06:19 AM
Nautical Sunset: 5:23 PM
Astro Sunrise: 05:43 AM
Astro Sunset: 5:59 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.