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Lake Arrowhead Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  | |  |  | | | | | | | |
| Chance of Showers | Showers | Chance of Showers | Clear | Sunny | Mostly Clear | Mostly Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear |
| Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C |
| POP: 40% | POP: 100% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 628 AM EDT Thu Oct 01 2026 
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Issued: 620 AM EDT Thu Oct 1 2026
Key Messages
- Window of mostly dry weather outside of a few scattered showers will come to an end by this afternoon. Chances for showers (50-90%) and an isolated thunderstorms return this afternoon into the overnight period. Locally heavy rain is possible, but overall flood concerns continue to appear low at this time.
- Dry conditions are expected this weekend into early next week, with highs in the 60s, low 70s (warmest further south). Overnight lows will drop into the 40s. Tuesday morning looks t...