| National Weather Service Forecast for:
Clearlake CA Issued by: National Weather Service Eureka, CA |
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| Updated: 3:06 pm PST Feb 2, 2026 | ||||||||||||||||||
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| Tonight |
Mostly clear, with a low around 36. Calm wind. |
| Tuesday |
Sunny, with a high near 70. Calm wind becoming east northeast 5 to 7 mph in the afternoon. |
| Tuesday Night |
Clear, with a low around 36. Calm wind. |
| Wednesday |
Sunny, with a high near 71. Calm wind becoming east northeast around 5 mph in the afternoon. |
| Wednesday Night |
Clear, with a low around 42. Calm wind. |
| Thursday |
Sunny, with a high near 69. Calm wind becoming east around 5 mph in the afternoon. |
| Thursday Night |
Mostly cloudy, with a low around 45. |
| Friday |
Partly sunny, with a high near 67. |
| Friday Night |
Partly cloudy, with a low around 43. |
| Saturday |
Mostly sunny, with a high near 65. |
| Saturday Night |
A slight chance of rain. Mostly cloudy, with a low around 44. |
| Sunday |
A chance of rain. Partly sunny, with a high near 63. |
| Sunday Night |
A chance of rain. Mostly cloudy, with a low around 40. |
| Monday |
A chance of rain. Partly sunny, with a high near 58. |
Forecast from NOAA-NWS for Clearlake CA.
