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Fort Borst Park Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | | | |  | |  |  |  |  |
| Mostly Cloudy | Mostly Cloudy | Patchy Fog | Patchy Fog | Patchy Fog | Patchy Fog | Mostly Clear | Mostly Cloudy | Chance of Rain | Chance of Rain | Partly Cloudy | Chance of Rain |
| Lo: 36°FLo: 2°C | Hi: 60°FHi: 16°C | Lo: 36°FLo: 2°C | Hi: 63°FHi: 17°C | Lo: 37°FLo: 3°C | Hi: 67°FHi: 19°C | Lo: 39°FLo: 4°C | Hi: 60°FHi: 16°C | Lo: 37°FLo: 3°C | Hi: 57°FHi: 14°C | Lo: 33°FLo: 1°C | Hi: 55°FHi: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 PM PDT Sun Oct 18 2026 
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Issued: 237 PM PDT Sun Oct 18 2026
Aviation
... Southwesterly flow aloft is expected tonight into Monday as an upper trough digs southward offshore. Surface flow is northerly or weakly offshore today. Increasing high level moisture later tonight is expected to limit areal coverage of low clouds on Monday morning with the exception of more fog prone locations in the Southwest Interior and extreme southern Puget Sound.
KSEA...VFR conditions will continue for the remainder of the afternoon and evening. High and mid level moisture spre...