Onalaska, Washington Weather
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Weather Forecast for Onalaska, Washington : Lewis County
Issued: 9:40 am PDT May 11, 2025 Latitude: 46.5751062 Longitude: -122.7181719 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
80% chance of rain on This Afternoon 70% chance of rain on Tonight 70% chance of rain on Monday Mostly Cloudy on Tuesday Mostly Cloudy on Wednesday Mostly Cloudy on Thursday 20% chance of rain on Friday 20% chance of rain on Saturday
High: 60°F Low: 43°F High: 58°F High: 61°F High: 60°F High: 60°F High: 61°F High: 60°F
Low: 44°F Low: 46°F Low: 41°F Low: 44°F Low: 46°F  
Rain Rain Rain Mostly Cloudy Mostly Cloudy Mostly Cloudy Rain Rain
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Current Conditions at
CHEHALIS-CENTRALIA - (KCLS)
61°
Partly Cloudy
as of 12:35 PM PDST
Rel. Humidity: 44%
Dew Point: 39°F
Visibility: 10 Miles
Pressure: 29.78 in.
Flight Rule: VFR
Wind Data
5 MPH
Gust: 13 MPH
240° Southwest
Cloud Level(s): Few at 6000ft, Scattered at 11000ft
Current Conditions at
KELSO - (KKLS)
57°
Cloudy
as of 12:19 PM PDST
Rel. Humidity: 67%
Dew Point: 46°F
Visibility: 10 Miles
Pressure: 29.81 in.
Flight Rule: MVFR
Wind Data
8 MPH
150° Southeast
Cloud Level(s): Broken at 2400ft, Broken at 3800ft, Solid Overcast at 7500ft
80% chance of rain This Afternoon This Afternoon... Showers. High near 60. South southwest wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
70% chance of rain Tonight Tonight... Showers likely, mainly after 5am. Mostly cloudy, with a low around 43. Calm wind. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
70% chance of rain Monday Monday... Showers likely, mainly after 11am. Mostly cloudy, with a high near 58. Light and variable wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
30% chance of rain Monday Night Monday Night... A 30 percent chance of showers, mainly before 11pm. Mostly cloudy, with a low around 44. West wind around 5 mph becoming calm in the evening.
Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 61. Calm wind becoming southwest around 5 mph in the afternoon.
Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 46.
Mostly Cloudy on Wednesday Wednesday... Mostly cloudy, with a high near 60.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 41.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 60.
10% chance of rain Thursday Night Thursday Night... A slight chance of showers. Mostly cloudy, with a low around 44.
20% chance of rain Friday Friday... A chance of showers. Mostly cloudy, with a high near 61.
20% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 46.
20% chance of rain Saturday Saturday... A chance of showers. Mostly cloudy, with a high near 60.
Sun Almanac for Onalaska, Washington
Sunrise: 05:41 AM
Sunset: 8:34 PM
Civil Sunrise:05:06 AM
Civil Sunset: 9:09 PM
Nautical Sunrise: 04:21 AM
Nautical Sunset: 9:54 PM
Astro Sunrise: 03:28 AM
Astro Sunset: 10:47 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.