| National Weather Service Forecast for:
Fortuna CA Issued by: National Weather Service Eureka, CA |
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| Updated: 2:46 pm PDT Aug 19, 2026 | ||||||||||||||||||
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| Overnight |
Patchy fog. Otherwise, cloudy, with a low around 54. Calm wind. |
| Thursday |
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming northwest 5 to 8 mph in the afternoon. |
| Thursday Night |
Patchy fog after 11pm. Otherwise, mostly cloudy, with a low around 54. North northwest wind around 6 mph becoming calm in the evening. |
| Friday |
Patchy fog before 11am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 66. Calm wind becoming west northwest 5 to 7 mph in the afternoon. |
| Friday Night |
Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 53. Northwest wind 5 to 7 mph becoming calm in the evening. |
| Saturday |
Patchy fog before 11am. Otherwise, partly sunny, with a high near 66. Calm wind becoming north northwest 5 to 9 mph in the afternoon. |
| Saturday Night |
Mostly cloudy, with a low around 54. |
| Sunday |
Partly sunny, with a high near 70. |
| Sunday Night |
Mostly cloudy, with a low around 55. |
| Monday |
Partly sunny, with a high near 69. |
| Monday Night |
Mostly cloudy, with a low around 54. |
| Tuesday |
Partly sunny, with a high near 67. |
| Tuesday Night |
Patchy fog. Otherwise, mostly cloudy, with a low around 54. |
| Wednesday |
Patchy fog. Otherwise, partly sunny, with a high near 67. |
Forecast from NOAA-NWS for Fortuna CA.
