Roche Harbor Lake, WA Weather Forecast
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Roche Harbor Lake Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Patchy Fog | Patchy Fog | Patchy Fog | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain |
| Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 66°FHi: 19°C | Lo: 53°FLo: 12°C | Hi: 73°FHi: 23°C | Lo: 55°FLo: 13°C | Hi: 73°FHi: 23°C | Lo: 53°FLo: 12°C | Hi: 70°FHi: 21°C | Lo: 53°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 259 AM PDT Mon Aug 17 2026 

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Roche Harbor Lake Forecast Discussion
Issued: 1017 AM PDT Mon Aug 17 2026
Aviation
...Low stratus this morning continues to bring IFR/LIFR cigs to the terminals this morning. Models are indicating a fairly rapid clear out this morning, with most terminals clearing out by around 17-20Z, with areas along the coast and Strait of Juan de Fuca being the last to clear. VFR conditions then prevail with high clouds passing overhead. Stratus is then expected to redevelop late tonight and spread inland overnight into Tuesday morning. Light west to n...
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