Farnsworth Lake, WA Weather Forecast
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Farnsworth Lake Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
| Mostly Cloudy | Mostly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Mostly Cloudy | Chance of Rain | Chance of Rain | Chance of Rain | Mostly Sunny |
| Lo: 36°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 40°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 45°FLo: 7°C | Hi: 60°FHi: 16°C | Lo: 43°FLo: 6°C | Hi: 59°FHi: 15°C | Lo: 40°FLo: 4°C | Hi: 57°FHi: 14°C | Lo: 36°FLo: 2°C | Hi: 59°FHi: 15°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 PM PDT Fri Oct 23 2026 

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Issued: 830 PM PDT Fri Oct 23 2026
Aviation
... VFR so far this evening with mostly clear skies. Mostly clear skies will be short-lived, with high clouds building in from the northwest later tonight. The increased cloud cover may work to inhibit fog and low cloud development for most areas, although IFR/LIFR is possible for more fog-prone terminals early Saturday morning including KHQM, KOLM, and KPWT. An approaching frontal system will bring increasing light showers into western Washington generally north of KPWT-KBFI Saturday af...
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