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Grapevine Trail Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny |
| Lo: 50°FLo: 10°C | Hi: 80°FHi: 27°C Lo: 80°FLo: 27°C | Hi: 80°FHi: 27°C | Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 76°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 85°FHi: 29°C | Hi: 86°FHi: 30°C | ||
POP = Probability of Precipitation.
Weather Outlook Updated: 202 PM PDT Sun Sep 13 2026 
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Issued: 606 PM PDT Sun Sep 13 2026
Aviation
...14/0039Z.
At 0008Z over KLAX, the marine layer was 1000 feet deep. The top of the inversion was 2600 feet and 24 degrees Celsius.
High confidence in VFR conditions through at least Monday at KPRB, KSBA, KPMD, KWJF. Some low-end LLWS is possible at KSBA this evening 03Z-10Z with gusty north winds in the nearby hills.
For Tonight: LIFR/IFR ceilings possible at KSBP (10%) KSMX (30%). IFR/MVFR ceilings possible at KOXR (20%) KCMA (20%) KSMO (60%) KLAX (60%) KLGB (70%) KBUR (20%) KVNY (20%). ...