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Holtville, CA Weather Forecast
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Holtville Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | | | | | | | |  |  | |
| Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Partly Sunny | Partly Cloudy | Mostly Sunny |
| Lo: 73°FLo: 23°C | Hi: 103°FHi: 39°C | Lo: 74°FLo: 23°C | Hi: 106°FHi: 41°C | Lo: 75°FLo: 24°C | Hi: 107°FHi: 42°C | Lo: 77°FLo: 25°C | Hi: 106°FHi: 41°C | Lo: 77°FLo: 25°C | Hi: 102°FHi: 39°C | Lo: 73°FLo: 23°C | Hi: 97°FHi: 36°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 400 PM PDT Mon Oct 05 2026 
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Issued: 415 PM MST Mon Oct 5 2026
Key Messages
- Above normal temperatures with minimal day to day changes will exist through the majority of the week as afternoon highs reach 97 to 103 degrees across the lower deserts.
- An Extreme Heat Watch is in effect for portions of southeast California and southwest Arizona on Wednesday and Thursday as temperatures warm to near record levels and lead to major HeatRisk.
- Dry weather with zero rain chances will persist through Saturday with shower and storm chances returning to Arizona as early a...