Galesburg Average Weather by Day

Data and chart of the the average high and low temperature for every day of the year in Galesburg, Illinois, based on NOAA data.
Also see:
What's the hottest day of the year in Galesburg?
On average, July 20 is the hottest day of the year Galesburg, Illinois. From 1991–2020, the average high temperature on July 20 was 84.5 °F and the average low was 65.7 °F.
What's the coldest day of the year in Galesburg?
On average, January 17 is the coldest day of the year Galesburg, Illinois. From 1991–2020, the average high temperature on January 17 was 30.3 °F, and the average low was 14.7 °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 32.3 17.4
January 2 32.2 17.2
January 3 32.0 17.0
January 4 31.8 16.7
January 5 31.6 16.4
January 6 31.4 16.0
January 7 31.2 15.9
January 8 31.2 15.8
January 9 31.2 15.8
January 10 31.0 15.6
January 11 30.8 15.4
January 12 30.7 15.2
January 13 30.5 15.0
January 14 30.5 14.9
January 15 30.4 14.9
January 16 30.3 14.8
January 17 30.3 14.7
January 18 30.3 14.7
January 19 30.3 14.7
January 20 30.4 14.8
January 21 30.5 14.8
January 22 30.6 14.9
January 23 30.6 14.8
January 24 30.6 15.0
January 25 30.7 15.1
January 26 30.7 14.9
January 27 30.5 14.8
January 28 30.7 14.8
January 29 30.8 14.9
January 30 31.0 14.9
January 31 31.3 15.1
February 1 31.4 15.3
February 2 31.6 15.5
February 3 31.8 15.8
February 4 32.2 16.1
February 5 32.6 16.3
February 6 32.9 16.6
February 7 33.2 16.9
February 8 33.5 17.2
February 9 33.9 17.5
February 10 34.1 17.8
February 11 34.3 18.0
February 12 34.5 18.2
February 13 34.7 18.4
February 14 35.0 18.6
February 15 35.4 18.9
February 16 35.6 19.1
February 17 35.8 19.2
February 18 36.0 19.4
February 19 36.4 19.7
February 20 36.8 20.0
February 21 37.2 20.3
February 22 37.7 20.6
February 23 38.0 20.9
February 24 38.5 21.3
February 25 39.0 21.7
February 26 39.6 22.1
February 27 40.1 22.6
February 28 40.6 23.1
March 1 41.1 23.4
March 2 41.7 23.8
March 3 42.3 24.3
March 4 42.8 24.8
March 5 43.2 25.1
March 6 43.6 25.4
March 7 43.9 25.7
March 8 44.4 26.0
March 9 44.9 26.3
March 10 45.3 26.7
March 11 45.8 27.0
March 12 46.3 27.4
March 13 46.8 27.8
March 14 47.4 28.2
March 15 47.9 28.7
March 16 48.3 29.1
March 17 49.0 29.6
March 18 49.6 30.1
March 19 50.3 30.7
March 20 50.8 31.1
March 21 51.3 31.5
March 22 51.8 31.8
March 23 52.2 32.2
March 24 52.7 32.6
March 25 53.2 32.9
March 26 53.6 33.2
March 27 54.1 33.6
March 28 54.5 33.9
March 29 54.9 34.2
March 30 55.3 34.6
March 31 55.7 35.0
April 1 56.2 35.3
April 2 56.6 35.7
April 3 57.1 36.0
April 4 57.6 36.5
April 5 58.1 36.9
April 6 58.4 37.3
April 7 58.7 37.5
April 8 59.1 37.8
April 9 59.5 38.1
April 10 59.9 38.4
April 11 60.3 38.8
April 12 60.7 39.1
April 13 61.1 39.5
April 14 61.4 39.7
April 15 61.7 40.0
April 16 62.0 40.4
April 17 62.2 40.8
April 18 62.5 41.1
April 19 62.8 41.5
April 20 63.1 41.9
April 21 63.6 42.3
April 22 63.9 42.7
April 23 64.4 43.2
April 24 64.9 43.7
April 25 65.3 44.2
April 26 65.7 44.6
April 27 66.2 45.1
April 28 66.5 45.5
April 29 66.7 45.7
April 30 66.9 46.0
May 1 67.1 46.3
May 2 67.5 46.7
May 3 67.7 47.0
May 4 68.0 47.2
May 5 68.4 47.5
May 6 68.8 47.9
May 7 69.1 48.3
May 8 69.5 48.7
May 9 69.8 49.2
May 10 70.1 49.5
May 11 70.4 49.9
May 12 70.7 50.3
May 13 71.2 50.7
May 14 71.6 51.2
May 15 72.0 51.6
May 16 72.5 52.0
May 17 72.9 52.4
May 18 73.3 52.7
May 19 73.7 53.1
May 20 73.8 53.4
May 21 74.1 53.7
May 22 74.2 54.0
May 23 74.4 54.2
May 24 74.7 54.5
May 25 75.0 54.8
May 26 75.3 55.1
May 27 75.7 55.5
May 28 76.1 56.0
May 29 76.5 56.5
May 30 77.0 56.8
May 31 77.3 57.2
June 1 77.5 57.6
June 2 77.9 58.0
June 3 78.2 58.4
June 4 78.5 58.8
June 5 78.9 59.1
June 6 79.2 59.5
June 7 79.5 59.8
June 8 79.9 60.2
June 9 80.2 60.5
June 10 80.5 60.8
June 11 80.7 61.1
June 12 80.9 61.3
June 13 81.2 61.5
June 14 81.3 61.7
June 15 81.4 61.9
June 16 81.6 62.2
June 17 81.8 62.4
June 18 82.1 62.6
June 19 82.3 62.9
June 20 82.5 63.1
June 21 82.6 63.3
June 22 82.7 63.5
June 23 82.9 63.7
June 24 83.0 63.9
June 25 83.1 64.1
June 26 83.3 64.2
June 27 83.3 64.3
June 28 83.3 64.4
June 29 83.5 64.5
June 30 83.6 64.6
July 1 83.7 64.6
July 2 83.7 64.7
July 3 83.8 64.8
July 4 83.9 65.0
July 5 84.0 65.1
July 6 84.1 65.2
July 7 84.2 65.4
July 8 84.2 65.5
July 9 84.2 65.5
July 10 84.2 65.5
July 11 84.3 65.6
July 12 84.3 65.6
July 13 84.3 65.7
July 14 84.3 65.7
July 15 84.3 65.7
July 16 84.3 65.7
July 17 84.3 65.7
July 18 84.4 65.7
July 19 84.5 65.7
July 20 84.5 65.7
July 21 84.5 65.7
July 22 84.3 65.6
July 23 84.2 65.5
July 24 84.2 65.4
July 25 84.2 65.4
July 26 84.2 65.4
July 27 84.2 65.4
July 28 84.1 65.3
July 29 84.0 65.2
July 30 83.8 65.1
July 31 83.7 65.0
August 1 83.6 64.8
August 2 83.5 64.6
August 3 83.3 64.5
August 4 83.1 64.4
August 5 83.0 64.2
August 6 82.9 64.1
August 7 82.8 64.0
August 8 82.8 63.9
August 9 82.7 63.9
August 10 82.7 63.8
August 11 82.7 63.7
August 12 82.7 63.7
August 13 82.7 63.7
August 14 82.7 63.7
August 15 82.6 63.7
August 16 82.5 63.6
August 17 82.4 63.4
August 18 82.2 63.2
August 19 82.2 63.1
August 20 82.2 63.0
August 21 82.1 62.9
August 22 82.1 62.8
August 23 82.0 62.6
August 24 81.9 62.4
August 25 81.7 62.2
August 26 81.5 62.0
August 27 81.4 61.8
August 28 81.3 61.6
August 29 81.2 61.4
August 30 81.0 61.3
August 31 80.8 61.0
September 1 80.6 60.7
September 2 80.4 60.4
September 3 80.2 60.1
September 4 80.1 59.8
September 5 79.8 59.6
September 6 79.6 59.3
September 7 79.3 59.0
September 8 79.0 58.6
September 9 78.6 58.2
September 10 78.2 57.7
September 11 77.9 57.3
September 12 77.6 56.9
September 13 77.3 56.4
September 14 76.9 56.0
September 15 76.5 55.5
September 16 76.3 55.1
September 17 76.0 54.7
September 18 75.6 54.3
September 19 75.2 54.0
September 20 74.7 53.6
September 21 74.2 53.1
September 22 73.8 52.7
September 23 73.5 52.3
September 24 73.2 52.0
September 25 72.9 51.5
September 26 72.5 51.1
September 27 72.2 50.7
September 28 71.8 50.3
September 29 71.4 49.9
September 30 71.0 49.5
October 1 70.5 49.0
October 2 70.0 48.6
October 3 69.5 48.2
October 4 69.0 47.7
October 5 68.5 47.2
October 6 68.0 46.7
October 7 67.6 46.3
October 8 67.3 46.0
October 9 66.9 45.6
October 10 66.4 45.2
October 11 65.8 44.8
October 12 65.4 44.5
October 13 64.8 44.1
October 14 64.3 43.8
October 15 63.7 43.4
October 16 63.2 43.0
October 17 62.7 42.6
October 18 62.2 42.1
October 19 61.7 41.6
October 20 61.2 41.2
October 21 60.7 40.8
October 22 60.2 40.5
October 23 59.6 40.0
October 24 59.0 39.6
October 25 58.4 39.2
October 26 57.9 38.9
October 27 57.4 38.4
October 28 56.9 38.0
October 29 56.3 37.5
October 30 55.8 37.1
October 31 55.3 36.6
November 1 54.8 36.3
November 2 54.3 36.0
November 3 53.9 35.6
November 4 53.5 35.4
November 5 53.0 35.0
November 6 52.5 34.7
November 7 52.0 34.2
November 8 51.6 33.8
November 9 51.2 33.4
November 10 50.6 32.9
November 11 50.2 32.5
November 12 49.8 32.1
November 13 49.4 31.8
November 14 48.9 31.4
November 15 48.5 31.0
November 16 48.1 30.7
November 17 47.6 30.4
November 18 47.3 30.1
November 19 46.8 29.8
November 20 46.3 29.4
November 21 45.8 29.0
November 22 45.3 28.6
November 23 44.7 28.2
November 24 44.1 27.7
November 25 43.5 27.2
November 26 43.1 26.8
November 27 42.6 26.5
November 28 42.2 26.2
November 29 41.9 26.0
November 30 41.6 25.8
December 1 41.2 25.4
December 2 40.8 25.1
December 3 40.3 24.7
December 4 39.7 24.3
December 5 39.2 23.9
December 6 38.8 23.6
December 7 38.4 23.3
December 8 38.0 23.1
December 9 37.7 22.8
December 10 37.3 22.5
December 11 36.9 22.1
December 12 36.5 21.9
December 13 36.4 21.6
December 14 36.1 21.4
December 15 35.8 21.2
December 16 35.6 21.0
December 17 35.3 20.7
December 18 35.0 20.4
December 19 34.7 20.1
December 20 34.5 19.9
December 21 34.4 19.7
December 22 34.1 19.4
December 23 34.0 19.3
December 24 33.8 19.0
December 25 33.7 18.9
December 26 33.5 18.7
December 27 33.3 18.5
December 28 33.2 18.4
December 29 33.1 18.2
December 30 32.8 18.0
December 31 32.5 17.7
Weather Station Details
Years Station Coordinates
1895–2024 Galesburg location
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