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Grotto, WA Weather Forecast
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Grotto Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
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| Chance of Rain | Mostly Sunny | Mostly Cloudy | Partly Sunny | Mostly Clear | Mostly Sunny | Mostly Cloudy | Cloudy | Partly Cloudy | Mostly Sunny | Chance of Rain | Chance of Rain |
| Lo: 36°FLo: 2°C | Hi: 53°FHi: 12°C | Lo: 36°FLo: 2°C | Hi: 50°FHi: 10°C | Lo: 36°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 43°FLo: 6°C | Hi: 57°FHi: 14°C | Lo: 40°FLo: 4°C | Hi: 57°FHi: 14°C | Lo: 43°FLo: 6°C | Hi: 57°FHi: 14°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 236 PM PDT Fri Oct 30 2026 
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Issued: 258 AM PDT Sat Oct 31 2026
Aviation
... Surface low pressure will continue to dig southward off the shore, with high pressure rebuilding in southern B.C. over the weekend. Showers with isolated thunderstorms will continue over the coastal waters through the morning. Remaining interior terminals will dry out today. The clear skies in the interior has led to areas of frost and/or fog this morning. The densest fog has been concentrated in the south sound/south interior with quarter mile visibilities from Shelton to Chehalis. ...