NWS Forecast for Rio Dell CA

National Weather Service Forecast for: Rio Dell CA
Issued by: National Weather Service Eureka, CA

Updated: 1:10 am PST Dec 5, 2025

Overnight Slight Chance Drizzle	Friday Slight Chance Drizzle	Friday Night Chance Rain and Patchy Fog	Saturday Slight Chance Drizzle and Patchy Fog	Saturday Night Slight Chance Drizzle	Sunday Chance Drizzle	Sunday Night Mostly Cloudy	Monday Partly Sunny	Monday Night Mostly Cloudy
Lo 43 °F	Hi 56 °F	Lo 49 °F	Hi 57 °F	Lo 45 °F	Hi 56 °F	Lo 46 °F	Hi 59 °F	Lo 47 °F

Coastal Flood Advisory

Overnight	A slight chance of drizzle before 4am. Cloudy, with a low around 43. West northwest wind around 5 mph.
Friday	A slight chance of drizzle after 10am. Cloudy, with a high near 56. Northwest wind 5 to 7 mph.
Friday Night	A 40 percent chance of rain. Patchy fog after 10pm. Otherwise, cloudy, with a low around 49. Calm wind. New precipitation amounts of less than a tenth of an inch possible.
Saturday	A slight chance of drizzle. Patchy fog before 1pm. Otherwise, mostly cloudy, with a high near 57. Calm wind.
Saturday Night	A slight chance of drizzle before 10pm, then a slight chance of drizzle after 4am. Mostly cloudy, with a low around 45. Calm wind.
Sunday	A chance of drizzle, mainly after 10am. Mostly cloudy, with a high near 56. Light and variable wind.
Sunday Night	Mostly cloudy, with a low around 46.
Monday	Partly sunny, with a high near 59.
Monday Night	Mostly cloudy, with a low around 47.
Tuesday	A slight chance of drizzle after 10am. Patchy fog between 10am and 1pm. Otherwise, mostly cloudy, with a high near 59.
Tuesday Night	A slight chance of drizzle. Cloudy, with a low around 49.
Wednesday	A chance of drizzle. Patchy fog. Otherwise, mostly cloudy, with a high near 59.
Wednesday Night	A slight chance of drizzle. Mostly cloudy, with a low around 49.
Thursday	Partly sunny, with a high near 59.

Forecast from NOAA-NWS for Rio Dell CA.