| National Weather Service Forecast for:
Clearlake CA Issued by: National Weather Service Eureka, CA |
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| Updated: 1:10 pm PST Feb 1, 2026 | ||||||||||||||||||
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| Overnight |
Clear, with a low around 37. North northwest wind 3 to 5 mph. |
| Monday |
Sunny, with a high near 69. Light north northwest wind. |
| Monday Night |
Mostly clear, with a low around 36. Calm wind. |
| Tuesday |
Sunny, with a high near 69. Light east northeast wind. |
| Tuesday Night |
Mostly clear, with a low around 41. Calm wind. |
| Wednesday |
Sunny, with a high near 71. Light north northeast wind. |
| Wednesday Night |
Clear, with a low around 42. |
| Thursday |
Sunny, with a high near 69. |
| Thursday Night |
Partly cloudy, with a low around 43. |
| Friday |
Mostly sunny, with a high near 70. |
| Friday Night |
Partly cloudy, with a low around 42. |
| Saturday |
Mostly sunny, with a high near 68. |
| Saturday Night |
A slight chance of rain. Partly cloudy, with a low around 44. |
| Sunday |
A chance of rain. Partly sunny, with a high near 67. |
Forecast from NOAA-NWS for Clearlake CA.
