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O'Brien Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT | FRIDAY |
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| Sunny | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Clear | Chance of Rain | Chance of Rain | Chance of Rain |
| Hi: 67°FHi: 19°C | Lo: 46°FLo: 8°C | Hi: 66°FHi: 19°C | Lo: 46°FLo: 8°C | Hi: 63°FHi: 17°C | Lo: 46°FLo: 8°C | Hi: 70°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 48°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 48°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 47°FLo: 8°C | Hi: 65°FHi: 18°C Lo: 47°FLo: 8°C | Hi: 60°FHi: 16°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 101 PM PST Sat Nov 07 2026 
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Issued: 236 PM PST Sat Nov 7 2026
Key Messages
- Mainly dry weather, above normal temperatures, and periodically breezy winds continue through the weekend and into the middle of next week
- Patchy morning fog is possible in the Valley and Delta through Wednesday
- Potential shift toward active weather pattern late next week. Low confidence persists in the timing of potential precipitation, with the onset continuing to trend a little later.
Discussion
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Today-Mid-Week:
Warm and mainly dry weather continues with general upper level ridging...