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O'Brien Lake Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | |  |  | |  | | | |  |
| Clear | Partly Cloudy | Partly Cloudy | Partly Cloudy | Chance of Showers | Showers | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy | Clear | Sunny |
| Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C | Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 46°FLo: 8°C | Hi: 60°FHi: 16°C | Hi: 60°FHi: 16°C | Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C | Lo: 40°FLo: 4°C | Hi: 66°FHi: 19°C | |
| POP: 50% | POP: 70% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 PM PDT Sun Oct 18 2026 
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Issued: 819 PM PDT Sun Oct 18 2026
Aviation
...19/0055Z.
At 0020Z at KLAX, there was a marine inversion with a top near 1400 ft with a temp of 24 deg C.
High confidence in VFR TAFs for most airfields. Lower confidence for TAFs at KPRB, Central Coast and LA Coastal sites due to uncertainties with the timing and extent of low clouds tonight into Mon morning. Timing of onset and dissipation of any low CIGs could be off +/- 1-2 hours. KPRB has a 10% chance of LIFR/IFR conds, timing and flight category for Central Coast sites has lower c...