Weather WorldSweeny Ridge Reserve, CA Weather Forecast
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Sweeny Ridge Reserve Weather Forecast
| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY |
 | |  |  |  | | | | | | | |
| Patchy Fog | Patchy Fog | Mostly Cloudy | Mostly Cloudy | Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Patchy Fog | Mostly Cloudy | Mostly Cloudy |
| Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C Lo: 55°FLo: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 902 PM PDT Tue Aug 18 2026 
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Sweeny Ridge Reserve Forecast Discussion
Issued: 942 PM PDT Tue Aug 18 2026
Key Messages
Updated at 218 PM PDT Tue Aug 18 2026- Modestly compressed marine layer through midweek
- Near normal temperatures through Wednesday followed by a slight cooling
- Elevations above about 1000 feet will remain warm overnight
Aviation
... (06Z TAFS) Issued at 942 PM PDT Tue Aug 18 2026
Currently a mixed bag of LIFR-VFR. Prevailing persistence forecast tonight with little change in the pattern or marine layer. As such, IFR ceilings are forecast to impact all termin...