Weather WorldKata-Am Arcata, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Kata-Am Arcata, CA Weather Forecast
Kata-Am Arcata, CA Weather Forecast Date: 158 PM PDT Sat Oct 03 2026
The area/counties/county of: Northern Coastal Humboldt, including the cities of: Eureka, Samoa, Arcata, Arcata Arpt, Fieldbrook, Fernbridge, and Fortuna.or toggle through each period.
Tonight... Partly cloudy until late tonight then becoming mostly cloudy. Slight chance of rain. Lows 53 to 63. North wind around 5 mph.
Sunday... Mostly cloudy. Highs 72 to 87. Northeast wind around 5 mph shifting to the northwest in the afternoon.
Sunday Night... Mostly cloudy in the evening then becoming partly cloudy. Lows 53 to 63. Northeast wind around 5 mph.
Monday... Partly cloudy. Highs 70 to 85. North wind around 10 mph.
Monday Night... Partly cloudy. Lows 53 to 63. Highs 72 to 87. North wind around 5 mph.
Tuesday... Partly cloudy. Lows 53 to 63. Highs 72 to 87. North wind around 5 mph.
Tuesday Night... Partly cloudy. Lows 51 to 61. Highs 73 to 88.
Wednesday... Partly cloudy. Lows 51 to 61. Highs 73 to 88.
Thursday... Partly cloudy. Lows 51 to 61. Highs 73 to 88.
Friday... Mostly cloudy. Highs 62 to 74. Lows 47 to 57.
Friday Night... Mostly cloudy. Highs 62 to 74. Lows 47 to 57.
POP = Probability of Precipitation
Kata-Am Arcata Radar Loop
Use the map search tool if you want to place a location marker on the radar map...