Climate almanac
Eureka
California, United States · 40.80°, -124.16°
What is the weather like in Eureka in August?
In August, Eureka is typically 61°F (16°C) during the day and 55°F (13°C) at night. The month brings about 0.4 in (9 mm) of precipitation in total.
- Average high61°F (16°C)
- Average low55°F (13°C)
- Precipitation0.4 in (9 mm)
- Clear or mostly clear days12
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)