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Columbus Square, CA Weather Forecast
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Columbus Square Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  | | | | | | | | | |
| Mostly Cloudy | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny | Clear | Clear | Sunny | Mostly Clear | Mostly Clear |
| Hi: 96°FHi: 36°C | Lo: 65°FLo: 18°C | Hi: 98°FHi: 37°C | Lo: 65°FLo: 18°C | Hi: 99°FHi: 37°C | Lo: 67°FLo: 19°C | Hi: 99°FHi: 37°C | Hi: 98°FHi: 37°C Lo: 64°FLo: 18°C | Hi: 98°FHi: 37°C Lo: 64°FLo: 18°C | Hi: 92°FHi: 33°C | Hi: 88°FHi: 31°C Lo: 61°FLo: 16°C | Hi: 88°FHi: 31°C Lo: 61°FLo: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 201 AM PDT Sun Oct 04 2026 
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Instant definitions for any meteorological term.
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Issued: 128 PM PDT Sat Oct 3 2026
Key Messages
- Heat Advisory in effect till 10 PM Wednesday for the Sacramento Valley, Delta, northern San Joaquin Valley, and adjacent foothills.
- Widespread Moderate HeatRisk with areas of Major HeatRisk through Thursday for the Delta, Valley, and Foothills.
Discussion
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...Today through Thursday...
High pressure continues to dominate the weather pattern aloft across the western United States. This has brought light winds, dry conditions, and hot temperatures to Interior California. Temperatures wil...