Weather forecast for 10 daysEureka, CA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 55°F
- 46°F
Mostly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 9mphWSW 248°
- Humidity: 97%
- UV index: 3
- Sunrise: 7:31 am PDT
- Sunset: 6:31 pm PDT
- details ▼
On Sunday, in Eureka, expect continuous cloudiness with subdued daylight.
The daytime temperature will peak at a moderate 55.4°F, slightly differing from the night's low of a brisk 46.4°F.
Tomorrow, the forecast leans colder as the expected high better matches November's average of 56.5°F.
Sunrise will be at 7:31 am and sunset at 6:31 pm; tomorrow's daylight will last for 11h and 0min.
The daytime temperature will peak at a moderate 55.4°F, slightly differing from the night's low of a brisk 46.4°F.
Tomorrow, the forecast leans colder as the expected high better matches November's average of 56.5°F.
Sunrise will be at 7:31 am and sunset at 6:31 pm; tomorrow's daylight will last for 11h and 0min.
10-day overview
Daily temperatures
Warmest period: Monday - Wednesday 59°C.
Minimum temperature: 55°C.
Minimum temperature: 55°C.
Chance of precipitation
Highest chance: Sunday 25.10. 36%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- min.
- 50°F
Fog Early / Clouds Late
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 9mphW 263°
- Humidity: 97%
- UV index: 0
- Sunrise: 7:30 am PDT
- Sunset: 6:33 pm PDT
- details ▼
- Sunday
- Oct 18, 2026
- 55°F
- 46°F
Mostly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 9mphWSW 248°
- Humidity: 97%
- UV index: 3
- Sunrise: 7:31 am PDT
- Sunset: 6:31 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 59°F
- 45°F
Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 9mphWSW 238°
- Humidity: 78%
- UV index: 4
- Sunrise: 7:32 am PDT
- Sunset: 6:30 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 59°F
- 46°F
Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 8mphWSW 255°
- Humidity: 84%
- UV index: 3
- Sunrise: 7:33 am PDT
- Sunset: 6:28 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 59°F
- 48°F
AM Clouds / PM Sun
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 9mphW 264°
- Humidity: 88%
- UV index: 4
- Sunrise: 7:34 am PDT
- Sunset: 6:27 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 55°F
- 46°F
Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 12mphWNW 292°
- Humidity: 95%
- UV index: 2
- Sunrise: 7:36 am PDT
- Sunset: 6:26 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 55°F
- 45°F
Partly Cloudy
- Precip. probability: 13%
- Precipitation: 0"
- Wind: 15mphNNW 346°
- Humidity: 89%
- UV index: 4
- Sunrise: 7:37 am PDT
- Sunset: 6:24 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 55°F
- 45°F
PM Showers
- Precip. probability: 34%
- Precipitation: 0.16"
- Wind: 12mphW 259°
- Humidity: 86%
- UV index: 2
- Sunrise: 7:38 am PDT
- Sunset: 6:23 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 57°F
- 43°F
AM Showers
- Precip. probability: 36%
- Precipitation: 0.04"
- Wind: 11mphW 261°
- Humidity: 83%
- UV index: 3
- Sunrise: 7:39 am PDT
- Sunset: 6:21 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 57°F
- 43°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 10mphW 275°
- Humidity: 83%
- UV index: 3
- Sunrise: 7:40 am PDT
- Sunset: 6:20 pm PDT
- details ▼
During the ten-day period, primarily gloomy and occasionally showery and low-visibility weather is predicted.
Rain is forecasted for next Saturday and Sunday.
Fluctuations in temperature will be barely perceptible in the upcoming period. The maximum temperature will vary between 55.4°F and 59°F, while the low temperature range extends from 42.8°F to 50°F.
With a maximum temperature of 59°F, Monday through Wednesday will be the warmest days in Eureka; with a maximum temperature of 55.4°F, Sunday, Thursday through next Saturday will be the coldest days in Eureka.
Rain is forecasted for next Saturday and Sunday.
Fluctuations in temperature will be barely perceptible in the upcoming period. The maximum temperature will vary between 55.4°F and 59°F, while the low temperature range extends from 42.8°F to 50°F.
With a maximum temperature of 59°F, Monday through Wednesday will be the warmest days in Eureka; with a maximum temperature of 55.4°F, Sunday, Thursday through next Saturday will be the coldest days in Eureka.
Updated: Oct 17, 2026 @ 23:13:26 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, clouds will dominate overhead, keeping the atmosphere dull.
Tomorrow, the maximum temperature will be 55.4°F, while the minimum temperature will be 46.4°F.
The highest temperature tomorrow will be slightly cooler than the average maximum temperature in October. The lowest temperature will be in line with the average low of 50°F.
The highest temperature tomorrow will be slightly cooler than the average maximum temperature in October. The lowest temperature will be in line with the average low of 50°F.
On Sunday, in Eureka, sunrise will be at 7:31 am and sunset at 6:31 pm (PDT).
In Eureka, the length of the day tomorrow will be 11h and 0min.





