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Lewis County, WashingtonLewis County, WA Weather Forecast
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Lewis County Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
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| Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of Rain | Chance of Rain | Partly Cloudy | Partly Sunny | Partly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain |
| Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 77°FHi: 25°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 57°FHi: 14°C | Lo: 40°FLo: 4°C | Hi: 59°FHi: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 PM PDT Wed Oct 14 2026 
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Issued: 743 PM PDT Wed Oct 14 2026
Aviation
... High pressure building into the region aloft will allow for northerly flow in the mid levels to become more southerly by Thursday morning. At the surface, most terminals will experience some form of northerly winds with some deviations to the NE or NW depending on location/terrain with a favoring of NEerly emerging by Thursday afternoon. Speeds this evening and overnight will generally be 5 kts or less, before mostly increasing to 5-10 kts Thursday afternoon.
Widespread VFR conditions...