Lake Armstrong, WA Weather Forecast

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Lake Armstrong, WA Weather Forecast

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Lake Armstrong WA weather  - Mostly Clear - 59°F
Mostly Clear
59°F
Updated 2:18 am
Feels Like 58°F
Humidity 86%
Wind N 0 mph
Barometer  29.99 in
Dew Point 55°F
Lake Armstrong WA weather  - Mostly Clear - 15°C
Mostly Clear
15°C
Updated 2:18 am
Feels Like 14°C
Humidity 86%
Wind N 0 km/h
Barometer  101.5 kPa
Dew Point 13°C

Lake Armstrong Weather Forecast

TONIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY
Lake Armstrong, WA Weather - Tonight Mostly Cloudy Lake Armstrong, WA Weather - Thursday Chance Of Showers Lake Armstrong, WA Weather - Thursday Night Chance Of Showers Lake Armstrong, WA Weather - Friday Chance Of Showers Lake Armstrong, WA Weather - Friday Night Showers Likely Lake Armstrong, WA Weather - Saturday Chance Of Showers Lake Armstrong, WA Weather - Saturday Night Partly Cloudy Lake Armstrong, WA Weather - Sunday Partly Sunny Lake Armstrong, WA Weather - Sunday Night Mostly Cloudy Lake Armstrong, WA Weather - Monday Mostly Cloudy Lake Armstrong, WA Weather - Monday Night Chance Of Rain Lake Armstrong, WA Weather - Tuesday Chance Of Rain
Mostly Cloudy Chance of Showers Chance of Showers Chance of Showers Showers Likely Chance of Showers Partly Cloudy Partly Sunny Mostly Cloudy Mostly Cloudy Chance of Rain Chance of Rain
Lo: 55°FLo: 13°C Hi: 70°FHi: 21°C
Lo: 55°FLo: 13°C Hi: 66°FHi: 19°C
Lo: 53°FLo: 12°C Hi: 66°FHi: 19°C
Lo: 50°FLo: 10°C Hi: 66°FHi: 19°C
Lo: 50°FLo: 10°C Hi: 66°FHi: 19°C
Lo: 51°FLo: 11°C Hi: 66°FHi: 19°C
POP = Probability of Precipitation.
Weather Outlook Updated: 236 PM PDT Wed Aug 26 2026 Lake Armstrong, WA Weather - WeatherWorld.com

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Issued: 800 PM PDT Wed Aug 26 2026

Aviation

... VFR conditions continue across most of western Washington this evening with a weak front just offshore of the coast. As this front moves across the area tonight, that will bring in periods of MVFR to IFR cigs across the area overnight into early Thursday morning. The area most likely to see more steady low ceilings are KHQM and KCLM, with the clouds being more transitory as a mid-level cloud deck develops behind the front that will bring low-end VFR conditions through much of the day...