River Union School, CA Weather Forecast
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River Union School Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY | SUNDAY |
| Partly Cloudy | Mostly Sunny | Partly Cloudy | Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Sunny |
| Lo: 58°FLo: 14°C | Hi: 84°FHi: 29°C | Lo: 58°FLo: 14°C | Hi: 83°FHi: 28°C | Lo: 57°FLo: 14°C | Hi: 85°FHi: 29°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 77°FHi: 25°C Lo: 55°FLo: 13°C | Hi: 77°FHi: 25°C Lo: 55°FLo: 13°C | Hi: 78°FHi: 26°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 136 PM PDT Sun Sep 20 2026 

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Issued: 248 PM PDT Sun Sep 20 2026
Key Messages
- Warmer and drier interior temperatures begin to slowly ease on Monday.
- A shallow but strong marine layer along shore will weaken with some clearing by possible by Tuesday.
- Cold front late in the week with a 20% chance of light wetting rain along the North Coast.
Discussion
...High pressure peaked across the area today. Many interior valleys reach into the upper 80s, though some passing upper level clouds took the edge off heat, especially for the southern half of the area. A persistent...
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