Typical Weather in Eureka, CA in August

64° F Avg High

53° F Avg Low

1 Rainy Days

☀️ Temperature Summary

Highs in August are typically around 64°F, which is warmer than usual in Eureka. Overnight lows will be around 53°F on average. This is the hottest month of the year in Eureka.

Despite it being the warmest month of the year, August is still a great time to visit Eureka, with mild temperatures and sunny days being very common.

High Temps Throughout the Year

☔ Rain Summary

You can expect about a 2% chance of rain for any given day in August. It's one of the drier months of the year for Eureka, with total rainfall for the month around 0 inches.