Foster, WA Weather Forecast
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Foster Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
| 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 

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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.
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