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Foster Park, WA Weather Forecast

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Foster Park, WA Weather Forecast

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Foster Park WA weather - Clear - 82°F
Clear
82°F
Updated 4:35 pm
Feels Like 78°F
Humidity 26%
Wind WNW 3 mph
Barometer  30 in
Dew Point 44°F
Foster Park WA weather - Clear - 28°C
Clear
28°C
Updated 4:35 pm
Feels Like 25°C
Humidity 26%
Wind WNW 5 km/h
Barometer  101.6 kPa
Dew Point 7°C
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Foster Park Weather Forecast

TONIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY
Foster Park, WA Weather - Tonight Mostly Clear Foster Park, WA Weather - Tuesday Sunny Foster Park, WA Weather - Tuesday Night Mostly Clear Foster Park, WA Weather - Wednesday Sunny Foster Park, WA Weather - Wednesday Night Clear Foster Park, WA Weather - Thursday Clear Foster Park, WA Weather - Thursday Night Clear Foster Park, WA Weather - Friday Mostly Sunny Foster Park, WA Weather - Friday Night Chance Of Showers Foster Park, WA Weather - Saturday Mostly Sunny Foster Park, WA Weather - Saturday Night Chance Of Showers Foster Park, WA Weather - Sunday Chance Of Showers
Mostly Clear Sunny Mostly Clear Sunny Clear Clear Clear Mostly Sunny Chance of Showers Mostly Sunny Chance of Showers Chance of Showers
Lo: 50°FLo: 10°C Hi: 76°FHi: 24°C
 Lo: 50°FLo: 10°C Hi: 76°FHi: 24°C
 Lo: 46°FLo: 8°C Hi: 76°FHi: 24°C
Lo: 46°FLo: 8°C		 Hi: 76°FHi: 24°C
Lo: 46°FLo: 8°C		 Hi: 76°FHi: 24°C
 Lo: 50°FLo: 10°C Hi: 65°FHi: 18°C
 Hi: 56°FHi: 13°C
Lo: 40°FLo: 4°C		 Hi: 56°FHi: 13°C
Lo: 40°FLo: 4°C
POP: 20% POP: 20% POP: 20%
POP = Probability of Precipitation.
Weather Outlook Updated: 209 PM PDT Mon Oct 05 2026 Foster Park, WA Weather - WeatherWorld.com

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Foster Park Forecast Discussion

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Issued: 1214 PM PDT Mon Oct 5 2026

Key Messages

  • Unseasonably warm and dry conditions continue through Thursday.
  • An incoming weather system on Friday will bring cooler temperatures, gusty winds, and chances for rain.

Discussion

... Monday night through Thursday: High clouds begin clearing out Monday night as a weak shortwave exits the region. Breezy westerly winds will linger into the late evening through the Cascade gaps with sustained speeds around 10 mph and gusts up to 20 mph. Elsewhere, winds will be light. Heading into Tuesday,...