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Half Dome Trail Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  |  | | | | | | | | |
| Chance of Rain | Smoke | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Sunny |
| Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 72°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 73°FHi: 23°C | Lo: 50°FLo: 10°C | Hi: 73°FHi: 23°C | Hi: 70°FHi: 21°C Lo: 48°FLo: 9°C | Hi: 70°FHi: 21°C Lo: 48°FLo: 9°C | Hi: 62°FHi: 17°C Lo: 41°FLo: 5°C | Hi: 62°FHi: 17°C Lo: 41°FLo: 5°C | Hi: 55°FHi: 13°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 310 AM PDT Mon Oct 05 2026 
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Issued: 1057 AM PDT Mon Oct 5 2026
Key Messages
1. Upper 90s to triple digits expected to remain prominent through this week before a cooldown over the weekend.
2. Widespread Moderate HeatRisk throughout the forecast area into the weekend.
3. Heat Advisory has been extended until Friday at 10 PM.
Discussion
... While this is the start of a new week, the weather continues to be a similar story. Ridge will sticking around until at least this Saturday. Until then, continue to enjoy this blistering October heat! The southwestern portions ...