Weather WorldFortuna Union High School, CA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Fortuna Union High School, CA Weather Forecast
Fortuna Union High School, CA Weather Forecast Date: 136 PM PDT Mon Aug 17 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 early in the evening then becoming mostly cloudy. Patchy fog overnight. Lows 48 to 58. West wind around 10 mph.
Tuesday... Mostly cloudy in the morning then becoming partly cloudy. Patchy fog in the morning. Highs 61 to 76. Northwest wind around 10 mph.
Tuesday Night... Mostly cloudy. Patchy fog overnight. Lows 48 to 58. Northwest wind around 10 mph.
Wednesday... Mostly cloudy. Patchy fog. Highs 61 to 75. Northwest wind around 10 mph.
Wednesday Night... Mostly cloudy. Patchy fog. Lows 48 to 58. Highs 61 to 75. Northwest wind up to 10 mph.
Thursday... Mostly cloudy. Patchy fog. Lows 48 to 58. Highs 61 to 75. Northwest wind up to 10 mph.
Thursday Night... Mostly cloudy. Patchy fog. Lows 48 to 58. Highs 61 to 76.
Friday... Mostly cloudy. Patchy fog. Lows 48 to 58. Highs 61 to 76.
Saturday... Mostly cloudy. Patchy fog. Lows 48 to 58. Highs 61 to 76.
Sunday... Mostly cloudy. Patchy fog. Lows 48 to 58. Highs 61 to 76.
Sunday Night... Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows 49 to 59.
POP = Probability of Precipitation
Fortuna Union High School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...