Weather forecast for tomorrowEureka, CA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 55°F
- 45°F
Mostly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 9mphWSW 246°
- Humidity: 97%
- UV index: 3
- Sunrise: 7:31 am PDT
- Sunset: 6:31 pm PDT
- details ▼
Tomorrow, in Eureka, expect continuous cloudiness with subdued daylight.
The maximum temperature will be a refreshing 55.4°F, while the minimum anticipated temperature is a chilly 44.6°F.
An unusual colder pattern is expected, as the day’s high matches November's typical max 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 maximum temperature will be a refreshing 55.4°F, while the minimum anticipated temperature is a chilly 44.6°F.
An unusual colder pattern is expected, as the day’s high matches November's typical max 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.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 54°C.
Minimum temperature: 50°C.
Minimum temperature: 50°C.
Chance of precipitation
Highest chance: 6 pm 23%.
Hourly weather forecast
- 12 am
- 52°F
- Feels like:52°F
Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 3mphSSE 168°
- Humidity: 100%
- Pressure: 30.09"Hg
- Visibility: 1mi
- UV index: 0
- details ▼
- 2 am
- 52°F
- Feels like:52°F
Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 4mphS 178°
- Humidity: 99%
- Pressure: 30.06"Hg
- Visibility: 6mi
- UV index: 0
- details ▼
- 4 am
- 52°F
- Feels like:52°F
Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 4mphS 175°
- Humidity: 100%
- Pressure: 30.06"Hg
- Visibility: 2mi
- UV index: 0
- details ▼
- 6 am
- 52°F
- Feels like:50°F
Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 4mphS 171°
- Humidity: 99%
- Pressure: 30.03"Hg
- Visibility: 3mi
- UV index: 0
- details ▼
Sunrise: 7:31 am
- 8 am
- 52°F
- Feels like:50°F
Cloudy
- Precip. probability: 17%
- Precipitation: 0"
- Wind: 4mphS 172°
- Humidity: 97%
- Pressure: 30.03"Hg
- Visibility: 2mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:50°F
Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 4mphS 189°
- Humidity: 100%
- Pressure: 30.03"Hg
- Visibility: 2mi
- UV index: 1
- details ▼
- 12 pm
- 54°F
- Feels like:54°F
Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 6mphWSW 249°
- Humidity: 95%
- Pressure: 30.03"Hg
- Visibility: 9mi
- UV index: 2
- details ▼
- 2 pm
- 54°F
- Feels like:52°F
Mostly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 7mphW 276°
- Humidity: 95%
- Pressure: 30.03"Hg
- Visibility: 5mi
- UV index: 2
- details ▼
- 4 pm
- 54°F
- Feels like:52°F
Mostly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 9mphWNW 295°
- Humidity: 94%
- Pressure: 30"Hg
- Visibility: 5mi
- UV index: 1
- details ▼
- 6 pm
- 52°F
- Feels like:48°F
Mostly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 7mphWNW 303°
- Humidity: 99%
- Pressure: 30"Hg
- Visibility: 4mi
- UV index: 0
- details ▼
Sunset: 6:31 pm
- 8 pm
- 50°F
- Feels like:48°F
Foggy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 4mphNW 316°
- Humidity: 99%
- Pressure: 30.03"Hg
- Visibility: 0mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:48°F
Foggy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 3mphENE 73°
- Humidity: 100%
- Pressure: 30.03"Hg
- Visibility: 0mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of gloomy and misty weather is expected.
The temperature will vary between a minimum of 48.2°F and a maximum of 55.4°F. The warmest part of the day is expected around 1 pm.
The temperature will be more alike with what’s typical for November than the usual maximum in October. The lowest temperature tomorrow will be slightly cooler than the standard minimum for October.
The temperature will vary between a minimum of 48.2°F and a maximum of 55.4°F. The warmest part of the day is expected around 1 pm.
The temperature will be more alike with what’s typical for November than the usual maximum in October. The lowest temperature tomorrow will be slightly cooler than the standard minimum for October.
Updated: Oct 18, 2026 @ 00:31:12 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
Tomorrow, a low, thick cloud deck is likely to persist.
Tomorrow, the highest temperature will be 55.4°F, while the lowest temperature will be 44.6°F.
The maximum temperature tomorrow will be a couple of degrees lower than the average highest temperature in October. Tomorrow, the lowest temperature will be also moderately lower than the average low temperature.
The maximum temperature tomorrow will be a couple of degrees lower than the average highest temperature in October. Tomorrow, the lowest temperature will be also moderately lower than the average low temperature.
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.





