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Riverside Park Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Mostly Sunny | Partly Cloudy | Partly Sunny | Partly Cloudy | Partly Sunny | Chance of Showers | Chance of Showers | Partly Cloudy | Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Clear |
| Hi: 76°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C | Lo: 53°FLo: 12°C | Hi: 83°FHi: 28°C | Lo: 53°FLo: 12°C | Hi: 79°FHi: 26°C | Lo: 53°FLo: 12°C | Hi: 71°FHi: 22°C | Lo: 53°FLo: 12°C | Hi: 77°FHi: 25°C | Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 AM PDT Tue Aug 18 2026 
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Issued: 941 AM PDT Tue Aug 18 2026
Aviation
...IFR/LIFR cigs and reduced visibility continue across the coast and Puget Sound terminals. Slow improvement expected this morning, with VFR conditions expected for interior terminals by the afternoon. As for the coast, minimal improvement this afternoon to IFR. SW this morning will transition to W/SW this afternoon. An additional round of marine stratus is likely overnight Tuesday into Wednesday morning, with more LIFR to low-end MVFR coverage.
KSEA...LIFR ...