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Porterville Fairgrounds Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  | | | | | | | |  |  |  |
| Sunny | Clear | Sunny | Clear | Sunny | Clear | Mostly Clear | Mostly Clear | Mostly Sunny | Mostly Cloudy | Chance of Showers | Chance of Rain |
| Hi: 89°FHi: 32°C | Lo: 58°FLo: 14°C | Hi: 89°FHi: 32°C | Lo: 55°FLo: 13°C | Hi: 89°FHi: 32°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C |
| POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1141 PM PDT Fri Oct 16 2026 
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Issued: 1015 PM PDT Fri Oct 16 2026
Key Messages
1. Warm conditions are expected through the weekend with temperatures across the area running 5-10 degrees above seasonal averages.
2. A pattern change remains likely by early next week with temperatures cooling quickly to well below average for this time of year, along with a chance of rainfall throughout the area (low to moderate confidence).
Discussion
... Another warm day is in store for the lower elevations on Saturday as we remain under a ridge of high pressure, including highs ne...