Ostrander, Washington Weather
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Weather Forecast for Ostrander, Washington : Cowlitz County
Issued: 1:01 pm PDT May 11, 2025 Latitude: 46.1926122 Longitude: -122.8920562 View on Google Maps

MouseOver for Detail Forecast
This Afternoon Tonight Monday Tuesday Wednesday Thursday Friday Saturday
80% chance of thunderstorms on This Afternoon 70% chance of rain on Tonight 80% chance of thunderstorms on Monday 20% chance of rain on Tuesday 20% chance of rain on Wednesday Mostly Cloudy on Thursday 20% chance of on Friday 20% chance of on Saturday
High: 59°F Low: 47°F High: 60°F High: 63°F High: 63°F High: 64°F High: 65°F High: 64°F
Low: 46°F Low: 47°F Low: 43°F Low: 46°F Low: 49°F  
Thunderstorms Rain Thunderstorms Rain Rain Mostly Cloudy Partly Sunny Partly Sunny
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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
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
80% chance of thunderstorms This Afternoon This Afternoon... Showers and possibly a thunderstorm. Steady temperature around 59. South southwest wind around 6 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
70% chance of rain Tonight Tonight... Showers likely, mainly after 3am. Patchy fog after 1am. Otherwise, mostly cloudy, with a low around 47. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
80% chance of thunderstorms Monday Monday... Showers, with thunderstorms also possible after 2pm. High near 60. Calm wind becoming southwest around 6 mph in the afternoon. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
40% chance of thunderstorms Monday Night Monday Night... A chance of showers and thunderstorms. Mostly cloudy, with a low around 46. West wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 40%.
20% chance of rain Tuesday Tuesday... A 20 percent chance of showers. Mostly cloudy, with a high near 63. Calm wind becoming southwest 5 to 7 mph in the afternoon.
20% chance of rain Tuesday Night Tuesday Night... A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 47.
20% chance of rain Wednesday Wednesday... A 20 percent chance of showers before 11am. Mostly cloudy, with a high near 63.
Mostly Cloudy on Wednesday Night Wednesday Night... Mostly cloudy, with a low around 43.
Mostly Cloudy on Thursday Thursday... Mostly cloudy, with a high near 64.
20% chance of rain Thursday Night Thursday Night... A chance of showers, mainly before 11pm. Mostly cloudy, with a low around 46.
20% chance of Friday Friday... A chance of showers. Partly sunny, with a high near 65.
20% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 49.
20% chance of Saturday Saturday... A chance of showers. Partly sunny, with a high near 64.
Sun Almanac for Ostrander, Washington
Sunrise: 05:43 AM
Sunset: 8:33 PM
Civil Sunrise:05:08 AM
Civil Sunset: 9:08 PM
Nautical Sunrise: 04:24 AM
Nautical Sunset: 9:52 PM
Astro Sunrise: 03:31 AM
Astro Sunset: 10:45 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.