Eureka, California is a small city located in the heart of Humboldt County in the state of California. It is situated on the banks of the Eel River, approximately 270 miles north of San Francisco and 150 miles south of the Oregon border.
The city was founded in 1850 by Union Army Major Josiah Gregg, who named it after the Greek phrase "euerka," meaning "I have found it." The city quickly became a hub for trade and commerce, and by the late 1800s it was one of the largest cities in the state.
Eureka is known for its Victorian architecture, as well as its vibrant arts and culture scene. The city is home to the Carson Mansion, a National Historic Landmark, as well as the Clarke Historical Museum, which houses artifacts from the city's history.
The city is also home to the Humboldt Bay National Wildlife Refuge, which is a popular spot for bird watching and other outdoor activities. The refuge is also home to a wide variety of wildlife, including bald eagles, ospreys, and seals.
Eureka is also home to several important events in history. In 1864, it was the site of the Battle of Eureka, a conflict between the United States and Native American tribes. In 1906, the city was struck by a devastating earthquake that destroyed much of the city and killed hundreds of people.
Today, Eureka is a vibrant city with a strong sense of community. The city is home to a variety of festivals and events, and it is a popular destination for tourists and outdoor enthusiasts.
Experience Eureka with unforgettable activities by our partner GetYourGuide. The offer is also ideal as a special gift idea for family and friends who are planning to visit Eureka. Cancellations are possible up to 24h before the start of the activity (unless otherwise stated in the activity description), with a full refund of the booking price.
Eureka, USA experiences a mild climate with moderate temperatures throughout the year. In the winter months, the average temperature is around 40°F (4°C). During the summer months, temperatures can reach up to 75°F (24°C). Rainfall is relatively light throughout the year, with the heaviest rainfall occurring in the winter and spring months. Snowfall is rare, but does occur occasionally in the winter months. In the spring, temperatures begin to rise, making it the ideal time for outdoor activities. Summer is typically warm and dry, making it the perfect time to enjoy the outdoors. Fall brings cooler temperatures, with average highs in the upper 50s (14°C). All in all, Eureka offers a mild climate with moderate temperatures throughout the year, making it a great place to visit any time of year.
Our weather forecast for Eureka helps plan your stay according to the weather. For sunny days, pack light and breathable clothes, swimwear, and sunscreen. For winter weather, it's recommended to bring warm clothes, gloves, a hat, sturdy footwear, and a raincoat.
| Date | Icon | Temperature | Wind speed/gusts | Cloudiness/Visibility | Air humidity/pressure | Sunrise/Sunset |
|---|---|---|---|---|---|---|
| Jul. 12th 2026 Jul. 12th 2026 | max: 16.7 °C min: 10.6 °C |
11.2 m/s 16.6 m/s |
63.8 % 12.4 m |
90.0 % 1,018 hPa |
05:56:04 20:48:27 |
|
| Jul. 13th 2026 Jul. 13th 2026 | max: 16.7 °C min: 11.2 °C |
11.2 m/s 16.6 m/s |
67.7 % 10.2 m |
89.5 % 1,017 hPa |
05:56:49 20:47:55 |
|
| Jul. 14th 2026 Jul. 14th 2026 | max: 16.3 °C min: 11.7 °C |
11.2 m/s 16.2 m/s |
54.1 % 17.3 m |
89.2 % 1,018 hPa |
05:57:35 20:47:22 |
|
| Jul. 15th 2026 Jul. 15th 2026 | max: 15.9 °C min: 11.5 °C |
11.9 m/s 17.6 m/s |
60.6 % 20.0 m |
90.7 % 1,017 hPa |
05:58:21 20:46:46 |
|
| Jul. 16th 2026 Jul. 16th 2026 | max: 15.6 °C min: 11.4 °C |
12.2 m/s 18.4 m/s |
70.7 % 18.1 m |
92.5 % 1,013 hPa |
05:59:09 20:46:09 |
|
| Jul. 17th 2026 Jul. 17th 2026 | max: 15.7 °C min: 11.7 °C |
11.5 m/s 15.8 m/s |
67.8 % 17.6 m |
92.4 % 1,012 hPa |
05:59:57 20:45:30 |
|
| Jul. 18th 2026 Jul. 18th 2026 | max: 15.8 °C min: 11.7 °C |
13.7 m/s 19.1 m/s |
86.3 % 19.5 m |
94.0 % 1,016 hPa |
06:00:47 20:44:49 |
|
| Jul. 19th 2026 Jul. 19th 2026 | max: 13.0 °C min: 12.4 °C |
23.8 m/s 30.6 m/s |
21.6 % 17.7 m |
92.5 % 1,016 hPa |
06:01:37 20:44:06 |
|
| Jul. 20th 2026 Jul. 20th 2026 | max: 12.8 °C min: 12.1 °C |
25.2 m/s 34.9 m/s |
22.3 % 20.3 m |
91.5 % 1,014 hPa |
06:02:28 20:43:21 |
|
| Jul. 21st 2026 Jul. 21st 2026 | max: 13.2 °C min: 12.2 °C |
27.4 m/s 41.0 m/s |
37.4 % 19.6 m |
90.5 % 1,016 hPa |
06:03:19 20:42:34 |
|
| Jul. 22nd 2026 Jul. 22nd 2026 | max: 13.3 °C min: 12.1 °C |
30.2 m/s 41.8 m/s |
15.3 % 17.7 m |
88.2 % 1,014 hPa |
06:04:12 20:41:46 |
|
| Jul. 23rd 2026 Jul. 23rd 2026 | max: 13.5 °C min: 12.4 °C |
25.2 m/s 33.8 m/s |
30.5 % 18.2 m |
91.3 % 1,014 hPa |
06:05:04 20:40:56 |
|
| Jul. 24th 2026 Jul. 24th 2026 | max: 13.4 °C min: 12.6 °C |
16.6 m/s 21.2 m/s |
44.4 % 16.4 m |
92.7 % 1,018 hPa |
06:05:58 20:40:04 |
Would you like to travel to Eureka on a cruise ship or would you just like to know when a certain ship will dock there? Here you will find an overview of the cruise ships that will be calling at the port of Eureka.
| Date | Ship | Passaengers (min - max) | Arrival | Departure | Details |
|---|---|---|---|---|---|
| Aug. 21st 2026 Friday, 21st of Aug. 2026 | Crystal Symphony | 606 | 07:00 am | 04:00 pm | |
| Mar. 31st 2027 Wednesday, 31st of Mar. 2027 | MS Europa | 408 | 07:00 am | 08:00 pm | |
| Apr. 21st 2028 Friday, 21st of Apr. 2028 | MS Artania | 1188 - 1260 | 09:00 am | 11:00 pm |
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