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O'Neill Lake, CA 7-Day Weather Forecast
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O'Neill Lake Weather Forecast
O'Neill Lake, CA Weather Forecast Date: 1230 AM PDT Thu Oct 01 2026
Weather forecast for O'Neill Lake, CA
Today Hi: 89°FHi: 32°C Lo: 67°F Lo: 19°C |
Today... Mostly sunny. Highs 87 to 91 in the western valleys to 90 to 95 near the foothills. Light winds becoming west 10 mph this afternoon. |
| Fri Hi: 102°FHi: 39°C Lo: 74°F Lo: 23°C |
Friday... Sunny, hot. Highs 100 to 104 in the western valleys to 92 to 97 near the foothills. Areas of winds east 15 to 25 mph. Gusts to 40 mph...Becoming 45 mph in the afternoon. |
| Sat Hi: 103°FHi: 39°C Lo: 73°F Lo: 23°C |
Saturday... Mostly sunny. Hot. Highs 101 to 104 in the western valleys to 92 to 97 near the foothills. Areas of winds east 10 to 20 mph with gusts to 30 mph. |
| Sun Hi: 101°FHi: 38°C Lo: 72°F Lo: 22°C |
Sunday... Mostly sunny. Hot. Highs 99 to 102 in the western valleys to 93 to 98 near the foothills. |
| Mon Hi: 98°FHi: 37°C Lo: 71°F Lo: 22°C |
Monday... Mostly sunny. Hot. Highs 96 to 100 in the western valleys to 92 to 97 near the foothills. |
| Tue Hi: 98°FHi: 37°C Lo: 70°F Lo: 21°C |
Tuesday... Sunny, hot. Highs 95 to 100. |
| Wed Hi: 98°FHi: 37°C |
Wednesday... Mostly sunny. Hot. Highs 95 to 100. |
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