Weather WorldUnion Middle School, CA Weather Forecast
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Union Middle School Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY |
 |  |  | |  |  | | |  |  | | |
| Patchy Fog | Mostly Cloudy | Mostly Cloudy | Mostly Cloudy | Mostly Clear | Partly Cloudy | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear |
| Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 90°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 90°FHi: 32°C Lo: 60°FLo: 16°C | Hi: 90°FHi: 32°C Lo: 60°FLo: 16°C | Hi: 83°FHi: 28°C Lo: 55°FLo: 13°C | Hi: 83°FHi: 28°C Lo: 55°FLo: 13°C | Hi: 83°FHi: 28°C Lo: 55°FLo: 13°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 602 PM PDT Sun Sep 20 2026 
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Issued: 504 PM PDT Sun Sep 20 2026
Key Messages
Updated at 925 PM PDT Sat Sep 19 2026- Brief cooling through Monday
- More substantial warming trend Tuesday through Thursday
Aviation
... (00Z TAFS) Issued at 504 PM PDT Sun Sep 20 2026
Satellite shows mid to high level clouds and KMUX shows a few high based showers, otherwise VFR prevails except for areas of coastal stratus /MVFR-IFR/. Onshore winds will bring stratus and patchy drizzle /MVFR-IFR-LIFR/ inland tonight and Monday morning. Conditions improve to MVFR-VFR near the coast Monda...