Eureka Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Eureka, California, based on NOAA data.
Also see:
What's the hottest day of the year in Eureka?
On average, August 20 is the hottest day of the year Eureka, California. From 1991–2020, the average high temperature on August 20 was 64.9 °F and the average low was 53.4 °F.
What's the coldest day of the year in Eureka?
On average, December 24 is the coldest day of the year Eureka, California. From 1991–2020, the average high temperature on December 24 was 54.8 °F, and the average low was 40.2 °F.
Average Temperature by Day
  • Average temperatures from 1991–2020. Daily averages are a mean of the period from 14 days before to 14 days after, inclusive.
Day Average (°F)
High Low
January 1 54.9 40.5
January 2 55.0 40.6
January 3 55.0 40.6
January 4 55.1 40.6
January 5 55.1 40.7
January 6 55.2 40.8
January 7 55.2 40.9
January 8 55.2 41.0
January 9 55.3 41.0
January 10 55.3 41.1
January 11 55.4 41.2
January 12 55.4 41.2
January 13 55.5 41.2
January 14 55.5 41.3
January 15 55.5 41.4
January 16 55.6 41.4
January 17 55.6 41.5
January 18 55.7 41.6
January 19 55.8 41.7
January 20 55.9 41.8
January 21 56.0 41.8
January 22 56.0 41.8
January 23 56.0 41.9
January 24 56.1 41.9
January 25 56.2 41.9
January 26 56.2 41.8
January 27 56.2 41.8
January 28 56.2 41.8
January 29 56.3 41.9
January 30 56.3 42.0
January 31 56.3 42.0
February 1 56.3 42.0
February 2 56.2 42.0
February 3 56.2 42.0
February 4 56.2 42.0
February 5 56.1 42.0
February 6 56.1 42.0
February 7 56.1 42.1
February 8 56.0 42.0
February 9 56.0 41.9
February 10 56.0 41.9
February 11 56.0 41.9
February 12 56.0 41.9
February 13 55.9 41.8
February 14 55.9 41.9
February 15 55.9 41.9
February 16 55.9 41.9
February 17 55.8 41.9
February 18 55.7 41.8
February 19 55.7 41.8
February 20 55.6 41.8
February 21 55.6 41.7
February 22 55.5 41.7
February 23 55.5 41.7
February 24 55.5 41.9
February 25 55.5 41.9
February 26 55.6 42.0
February 27 55.6 42.1
February 28 55.7 42.1
March 1 55.7 42.2
March 2 55.7 42.2
March 3 55.7 42.2
March 4 55.8 42.2
March 5 55.9 42.2
March 6 55.9 42.3
March 7 56.0 42.4
March 8 56.1 42.5
March 9 56.1 42.5
March 10 56.2 42.6
March 11 56.2 42.7
March 12 56.2 42.7
March 13 56.3 42.8
March 14 56.4 42.9
March 15 56.5 42.9
March 16 56.5 43.0
March 17 56.5 43.0
March 18 56.6 43.0
March 19 56.6 43.0
March 20 56.6 43.1
March 21 56.6 43.1
March 22 56.7 43.2
March 23 56.8 43.3
March 24 56.8 43.3
March 25 56.8 43.3
March 26 56.8 43.4
March 27 56.8 43.4
March 28 56.8 43.4
March 29 56.9 43.5
March 30 56.9 43.5
March 31 57.0 43.5
April 1 57.0 43.5
April 2 57.0 43.6
April 3 57.0 43.6
April 4 57.1 43.7
April 5 57.1 43.8
April 6 57.2 43.8
April 7 57.2 44.0
April 8 57.3 44.1
April 9 57.4 44.2
April 10 57.5 44.3
April 11 57.6 44.4
April 12 57.6 44.5
April 13 57.7 44.6
April 14 57.7 44.6
April 15 57.8 44.7
April 16 57.9 44.8
April 17 58.0 44.9
April 18 58.2 45.0
April 19 58.2 45.2
April 20 58.3 45.3
April 21 58.3 45.4
April 22 58.4 45.5
April 23 58.5 45.6
April 24 58.6 45.7
April 25 58.6 45.8
April 26 58.6 45.8
April 27 58.6 45.9
April 28 58.7 46.0
April 29 58.8 46.1
April 30 58.9 46.4
May 1 59.0 46.5
May 2 59.1 46.6
May 3 59.2 46.7
May 4 59.3 46.9
May 5 59.4 47.0
May 6 59.5 47.1
May 7 59.6 47.2
May 8 59.6 47.3
May 9 59.7 47.4
May 10 59.8 47.5
May 11 59.8 47.7
May 12 59.9 47.8
May 13 59.9 47.9
May 14 60.0 48.1
May 15 60.1 48.2
May 16 60.1 48.4
May 17 60.2 48.5
May 18 60.2 48.6
May 19 60.3 48.7
May 20 60.4 48.8
May 21 60.5 48.9
May 22 60.5 49.0
May 23 60.6 49.1
May 24 60.7 49.2
May 25 60.8 49.3
May 26 61.0 49.4
May 27 61.1 49.5
May 28 61.2 49.6
May 29 61.2 49.6
May 30 61.3 49.7
May 31 61.3 49.8
June 1 61.4 49.8
June 2 61.4 49.8
June 3 61.4 49.9
June 4 61.5 49.9
June 5 61.5 50.0
June 6 61.5 50.0
June 7 61.6 50.1
June 8 61.7 50.1
June 9 61.8 50.2
June 10 61.9 50.2
June 11 62.0 50.2
June 12 62.1 50.3
June 13 62.2 50.4
June 14 62.3 50.5
June 15 62.3 50.6
June 16 62.4 50.6
June 17 62.5 50.7
June 18 62.5 50.8
June 19 62.6 50.8
June 20 62.6 50.9
June 21 62.7 51.0
June 22 62.8 51.1
June 23 62.8 51.2
June 24 62.8 51.3
June 25 62.9 51.4
June 26 62.9 51.5
June 27 62.9 51.6
June 28 63.0 51.6
June 29 63.1 51.7
June 30 63.1 51.8
July 1 63.2 51.9
July 2 63.3 52.0
July 3 63.3 52.1
July 4 63.4 52.2
July 5 63.5 52.3
July 6 63.6 52.4
July 7 63.6 52.5
July 8 63.7 52.6
July 9 63.7 52.7
July 10 63.7 52.8
July 11 63.6 52.8
July 12 63.6 52.8
July 13 63.6 52.9
July 14 63.5 52.9
July 15 63.6 52.9
July 16 63.6 52.9
July 17 63.6 52.9
July 18 63.6 53.0
July 19 63.7 53.0
July 20 63.7 53.1
July 21 63.7 53.1
July 22 63.7 53.2
July 23 63.7 53.2
July 24 63.8 53.3
July 25 63.9 53.3
July 26 63.9 53.3
July 27 63.9 53.4
July 28 64.0 53.4
July 29 64.0 53.4
July 30 64.0 53.4
July 31 64.0 53.4
August 1 64.1 53.5
August 2 64.1 53.5
August 3 64.1 53.5
August 4 64.1 53.5
August 5 64.1 53.5
August 6 64.2 53.5
August 7 64.2 53.5
August 8 64.2 53.5
August 9 64.3 53.5
August 10 64.3 53.5
August 11 64.3 53.5
August 12 64.4 53.6
August 13 64.5 53.5
August 14 64.6 53.5
August 15 64.6 53.6
August 16 64.7 53.6
August 17 64.7 53.6
August 18 64.8 53.5
August 19 64.8 53.4
August 20 64.9 53.4
August 21 64.9 53.3
August 22 64.9 53.2
August 23 64.9 53.1
August 24 64.9 53.0
August 25 64.8 53.0
August 26 64.8 52.9
August 27 64.8 52.9
August 28 64.8 52.8
August 29 64.7 52.8
August 30 64.7 52.7
August 31 64.6 52.6
September 1 64.6 52.5
September 2 64.7 52.5
September 3 64.7 52.4
September 4 64.7 52.3
September 5 64.7 52.2
September 6 64.7 52.1
September 7 64.7 52.0
September 8 64.6 51.9
September 9 64.7 51.8
September 10 64.7 51.7
September 11 64.7 51.6
September 12 64.6 51.5
September 13 64.5 51.3
September 14 64.5 51.2
September 15 64.4 51.1
September 16 64.3 51.0
September 17 64.2 51.0
September 18 64.1 50.9
September 19 64.0 50.7
September 20 64.0 50.6
September 21 63.9 50.5
September 22 63.9 50.4
September 23 63.9 50.3
September 24 63.9 50.2
September 25 63.8 50.0
September 26 63.8 49.9
September 27 63.7 49.7
September 28 63.7 49.6
September 29 63.7 49.4
September 30 63.7 49.3
October 1 63.6 49.1
October 2 63.6 49.0
October 3 63.5 48.8
October 4 63.3 48.8
October 5 63.3 48.7
October 6 63.2 48.6
October 7 63.1 48.5
October 8 62.9 48.4
October 9 62.8 48.2
October 10 62.7 48.2
October 11 62.6 48.1
October 12 62.6 47.9
October 13 62.5 47.8
October 14 62.4 47.6
October 15 62.3 47.5
October 16 62.2 47.4
October 17 62.1 47.2
October 18 62.0 47.1
October 19 61.9 47.0
October 20 61.7 46.9
October 21 61.6 46.7
October 22 61.5 46.7
October 23 61.4 46.6
October 24 61.2 46.5
October 25 61.1 46.4
October 26 61.0 46.3
October 27 60.8 46.2
October 28 60.7 46.0
October 29 60.6 46.0
October 30 60.4 45.9
October 31 60.2 45.8
November 1 60.1 45.7
November 2 60.0 45.6
November 3 59.9 45.4
November 4 59.8 45.3
November 5 59.8 45.1
November 6 59.6 45.0
November 7 59.5 44.9
November 8 59.3 44.7
November 9 59.2 44.6
November 10 59.0 44.4
November 11 58.8 44.3
November 12 58.8 44.2
November 13 58.6 44.0
November 14 58.5 43.9
November 15 58.3 43.7
November 16 58.2 43.6
November 17 58.1 43.4
November 18 58.0 43.3
November 19 57.9 43.2
November 20 57.7 43.0
November 21 57.6 42.9
November 22 57.5 42.7
November 23 57.4 42.6
November 24 57.3 42.5
November 25 57.3 42.5
November 26 57.1 42.4
November 27 57.0 42.3
November 28 56.9 42.2
November 29 56.8 42.1
November 30 56.6 41.9
December 1 56.4 41.7
December 2 56.3 41.5
December 3 56.2 41.4
December 4 56.0 41.3
December 5 55.9 41.2
December 6 55.9 41.1
December 7 55.8 41.1
December 8 55.7 41.0
December 9 55.6 40.9
December 10 55.6 40.7
December 11 55.4 40.7
December 12 55.4 40.6
December 13 55.3 40.6
December 14 55.2 40.6
December 15 55.2 40.5
December 16 55.1 40.5
December 17 55.0 40.5
December 18 55.0 40.5
December 19 55.0 40.4
December 20 54.9 40.4
December 21 54.9 40.3
December 22 54.9 40.3
December 23 54.8 40.2
December 24 54.8 40.2
December 25 54.8 40.3
December 26 54.8 40.3
December 27 54.8 40.3
December 28 54.8 40.3
December 29 54.8 40.4
December 30 54.9 40.4
December 31 54.9 40.5
Weather Station Details
Years Station Coordinates
1941–2024 Eureka Woodley Island location
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