Weather WorldJohnson Marsh, WA Weather Forecast
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Johnson Marsh Weather Forecast
| REST OF TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Chance of Rain | Chance of Rain | Patchy Fog | Partly Cloudy | Patchy Fog | Partly Cloudy | Partly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 60°FHi: 16°C | Lo: 46°FLo: 8°C | Hi: 60°FHi: 16°C | Lo: 46°FLo: 8°C | Hi: 65°FHi: 18°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 70°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 73°FHi: 23°C | Lo: 51°FLo: 11°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 851 AM PDT Tue Sep 29 2026 
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Issued: 854 AM PDT Tue Sep 29 2026
Aviation
...Strong westerly flow will persist aloft today and into Wednesday as a frontal system moves across western Washington. Surface winds reflect this strong flow aloft with heightened speeds expected through this afternoon. The majority of the sites will experience south to southwesterly winds with speeds 10-15 kts with gusts between 25-30 kt at times. Winds at HQM are a bit stronger, with speeds between 15-20 kts and gusts 30-35 kts at times. Overall, wind speeds will ease by this evening...