Foster, WA Weather Forecast

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Foster, WA Weather Forecast

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Foster WA weather  - Clear - 51°F
Clear
51°F
Updated 8:50 pm
Feels Like 50°F
Humidity 76%
Wind N 0 mph
Barometer  30.1 in
Dew Point 44°F
Foster WA weather  - Clear - 11°C
Clear
11°C
Updated 8:50 pm
Feels Like 10°C
Humidity 76%
Wind N 0 km/h
Barometer  101.9 kPa
Dew Point 7°C

Foster Weather Forecast

TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY
Foster, WA Weather - Tonight Partly Cloudy Foster, WA Weather - Sunday Partly Sunny Foster, WA Weather - Sunday Night Mostly Clear Foster, WA Weather - Monday Mostly Sunny Foster, WA Weather - Monday Night Partly Cloudy Foster, WA Weather - Tuesday Chance Of Rain Foster, WA Weather - Tuesday Night Rain Foster, WA Weather - Wednesday Chance Of Rain Foster, WA Weather - Wednesday Night Partly Cloudy Foster, WA Weather - Thursday Partly Sunny Foster, WA Weather - Thursday Night Chance Of Rain Foster, WA Weather - Friday Partly Sunny
Partly Cloudy Partly Sunny Mostly Clear Mostly Sunny Partly Cloudy Chance of Rain Rain Chance of Rain Partly Cloudy Partly Sunny Chance of Rain Partly Sunny
Lo: 43°FLo: 6°C Hi: 65°FHi: 18°C
Lo: 40°FLo: 4°C Hi: 65°FHi: 18°C
Lo: 46°FLo: 8°C Hi: 63°FHi: 17°C
Lo: 50°FLo: 10°C Hi: 65°FHi: 18°C
Lo: 47°FLo: 8°C Hi: 65°FHi: 18°C
Lo: 45°FLo: 7°C Hi: 63°FHi: 17°C
POP = Probability of Precipitation.
Weather Outlook Updated: 236 PM PDT Sat Sep 26 2026 Foster, WA Weather - WeatherWorld.com

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Issued: 811 PM PDT Sat Sep 26 2026

Aviation

... Weak high pressure and offshore flow will lead to dry and stable conditions across western WA tonight. Pockets of low clouds and fog are likely around the south sound overnight. Any fog and/or low clouds will be shallow and dissipate by 18z Sun. Otherwise, expect VFR conditions on Sunday with mainly high clouds aloft. 33

KSEA...VFR conditions expected tonight into Sunday with a N wind around 10 kt. 33


Watches / Warnings / Advisories

/WARNINGS/ADVISORIES... WA...None. PZ...None.