Alto, Washington Weather
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Weather Forecast for Alto, Washington : Columbia County
Issued: 10:15 pm PDT Aug 1, 2025 Latitude: 46.3862527 Longitude: -118.1116182 View on Google Maps

MouseOver for Detail Forecast
Overnight Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Cloudy on Overnight Sunny on Saturday Mostly Sunny on Sunday 30% chance of thunderstorms on Monday Sunny on Tuesday Mostly Sunny on Wednesday Mostly Sunny on Thursday Mostly Sunny on Friday
Low: 61°F High: 90°F High: 85°F High: 76°F High: 81°F High: 81°F High: 81°F High: 84°F
Low: 61°F Low: 57°F Low: 56°F Low: 57°F Low: 59°F Low: 58°F  
Cloudy Sunny Mostly Sunny Thunderstorms Sunny Mostly Sunny Mostly Sunny Mostly Sunny
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Current Conditions at
WALLA WALLA - (KALW)
70°
Clear
as of 11:53 PM PDST
Rel. Humidity: 56%
Dew Point: 54°F
Visibility: 10 Miles
Pressure: 30.07 in.
Flight Rule: VFR
Wind Data
5 MPH
100° East
Cloud Level(s): Clear
Current Conditions at
PASCO - (KPSC)
64°
Clear
as of 11:53 PM PDST
Rel. Humidity: 88%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.06 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
LEWISTON - (KLWS)
72°
Partly Cloudy
as of 11:56 PM PDST
Rel. Humidity: 68%
Dew Point: 61°F
Visibility: 10 Miles
Pressure: 30.11 in.
Flight Rule: VFR
Wind Data
3 MPH
130° Southeast
Cloud Level(s): Scattered at 10000ft
Current Conditions at
PULLMAN - (KPUW)
64°
Mostly Cloudy
as of 11:53 PM PDST
Rel. Humidity: 82%
Dew Point: 59°F
Visibility: 10 Miles
Pressure: 30.17 in.
Flight Rule: VFR
Wind Data
3 MPH
050° Northeast
Cloud Level(s): Broken at 10000ft
Cloudy on Overnight Overnight... Partly cloudy, with a low around 61. South wind around 10 mph.
Sunny on Saturday Saturday... Sunny, with a high near 90. Southwest wind 13 to 15 mph, with gusts as high as 20 mph.
Mostly Clear on Saturday Night Saturday Night... Mostly clear, with a low around 61. South wind 9 to 13 mph.
Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 85. Southwest wind 11 to 14 mph, with gusts as high as 18 mph.
40% chance of rain Sunday Night Sunday Night... A 40 percent chance of showers, mainly after 11pm. Mostly cloudy, with a low around 57. South wind 10 to 15 mph, with gusts as high as 20 mph.
30% chance of thunderstorms Monday Monday... A 30 percent chance of showers and thunderstorms before 11am. Partly sunny, with a high near 76.
Cloudy on Monday Night Monday Night... Partly cloudy, with a low around 56.
Sunny on Tuesday Tuesday... Sunny, with a high near 81.
Cloudy on Tuesday Night Tuesday Night... Partly cloudy, with a low around 57.
Mostly Sunny on Wednesday Wednesday... Mostly sunny, with a high near 81.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 59.
Mostly Sunny on Thursday Thursday... Mostly sunny, with a high near 81.
Cloudy on Thursday Night Thursday Night... Partly cloudy, with a low around 58.
Mostly Sunny on Friday Friday... Mostly sunny, with a high near 84.
Current Radar Image


Sun Almanac for Alto, Washington
Sunrise: 05:36 AM
Sunset: 8:22 PM
Civil Sunrise:05:01 AM
Civil Sunset: 8:56 PM
Nautical Sunrise: 04:17 AM
Nautical Sunset: 9:40 PM
Astro Sunrise: 03:26 AM
Astro Sunset: 10:32 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.