Weather WorldPortal Forebay, CA Weather Forecast
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Portal Forebay Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | THURSDAY | FRIDAY |
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| Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Clear | Mostly Clear |
| Hi: 66°FHi: 19°C | Lo: 48°FLo: 9°C | Hi: 68°FHi: 20°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Hi: 70°FHi: 21°C Lo: 52°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 52°FLo: 11°C | Hi: 70°FHi: 21°C Lo: 52°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 53°FLo: 12°C | Hi: 71°FHi: 22°C Lo: 53°FLo: 12°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 310 AM PDT Sat Aug 15 2026 
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Portal Forebay Forecast Discussion
Issued: 1048 PM PDT Fri Aug 14 2026
Key Messages
1. Temperatures will remain at or below season averages through next week.
2. Breezy conditions over typical wind-prone areas including San Luis Reservoir, Lake Isabella and the Mojave Desert Slopes through next week.
Discussion
... A trough off the coast of California will continue to bring temperatures below normal through this weekend, though a slight warm-up is expected as that trough broadens out during that time period. Highs in the Valley are likely ...