As of 00:53 CDT

Weather in Summit, IL

62°

Summit, Wednesday, 7 October, 00:53

Clear. Feels like 61°. High 78°, low 56°.

Pressure29.85 inHg

Wind12.7 mph SW

Humidity65%

Visibility6.2 mi

Dew point50°

Wed, 07October

78°/56°

Thu, 08October

70°/53°

Fri, 09October

69°/48°

Sat, 10October

78°/61°

Sun, 11October

66°/60°

Mon, 12October

79°/54°

Tue, 13October

64°/58°

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	77°	62°	60°	56°	60°	71°	77°	77°	76°	69°	63°	60°
Feels like	77°	61°	59°	55°	59°	71°	77°	78°	75°	69°	62°	58°
Pressure, inHg	29.85	29.85	29.85	29.83	29.85	29.85	29.85	29.83	29.83	29.85	29.88	29.91
Wind, mph	4.6	4.5	4.1	3.6	3.3	2.8	2.5	2.9	3.7	3.3	3	3.2
Humidity, %	73%	65%	67%	75%	80%	77%	73%	63%	51%	59%	65%	67%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	57°	58°	56°	53°	57°	66°	69°	66°	66°	61°	57°	54°
Feels like	55°	56°	54°	52°	56°	65°	68°	64°	64°	60°	55°	53°
Pressure, inHg	29.94	29.94	29.97	30.03	30.06	30.09	30.09	30.09	30.06	30.09	30.12	30.15
Wind, mph	3.2	3.1	2.5	2.3	2.4	2.2	2.4	2.4	2.6	1.2	1.5	1.2
Humidity, %	68%	69%	72%	75%	74%	64%	49%	42%	41%	61%	69%	74%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	52°	50°	49°	48°	51°	60°	65°	68°	69°	67°	65°	65°
Feels like	51°	49°	49°	47°	50°	59°	64°	67°	69°	67°	64°	64°
Pressure, inHg	30.15	30.15	30.15	30.15	30.18	30.21	30.18	30.12	30.06	30.06	30.06	30.03
Wind, mph	0.9	0.5	0.6	1.8	2	1.9	2.6	3	3.2	3.3	3.5	4.2
Humidity, %	79%	83%	85%	84%	78%	69%	57%	56%	55%	64%	66%	62%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0.03 in	0.01 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	65°	63°	63°	62°	64°	69°	74°	77°	78°	74°	70°	69°
Feels like	64°	62°	62°	61°	63°	68°	74°	77°	79°	74°	70°	68°
Pressure, inHg	30.03	30.03	30.03	30.06	30.06	30.09	30.06	30.03	30.00	30.00	29.97	29.97
Wind, mph	4.5	4.2	4.5	4.1	3.7	3.1	3.2	3	2.6	2.7	2.9	3
Humidity, %	59%	61%	63%	67%	67%	65%	57%	54%	57%	66%	71%	73%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi	6.2 mi

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	67°	60°	60°	60°	62°	63°	65°	65°	64°	63°	62°	61°
Feels like	66°	60°	60°	60°	62°	63°	65°	65°	64°	63°	62°	61°
Pressure, inHg	29.97	29.83	29.83	29.83	29.83	29.83	29.83	29.83	29.83	29.83	29.83	29.83
Wind, mph	2.8	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2	4.2
Humidity, %	72%	81%	81%	81%	81%	81%	81%	81%	81%	81%	81%	81%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	6.2 mi	—	—	—	—	—	—	—	—	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	75°	63°	59°	54°	60°	66°	72°	74°	74°	73°	71°	69°
Feels like	75°	63°	58°	54°	60°	66°	72°	74°	74°	73°	71°	69°
Pressure, inHg	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85	29.85
Wind, mph	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.4	3.4
Humidity, %	60%	60%	60%	60%	60%	60%	60%	60%	60%	60%	60%	60%
Precipitation	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in	0 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

	00:00	02:00	04:00	06:00	08:00	10:00	12:00	14:00	16:00	18:00	20:00	22:00

Temperature	60°	59°	59°	59°	59°	59°	59°	60°	59°	59°	59°	59°
Feels like	60°	58°	58°	58°	59°	59°	59°	59°	59°	58°	58°	58°
Pressure, inHg	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00	30.00
Wind, mph	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9	3.9
Humidity, %	79%	79%	79%	79%	79%	79%	79%	79%	79%	79%	79%	79%
Precipitation	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in	0.01 in
Visibility	—	—	—	—	—	—	—	—	—	—	—	—

See detailed hourly forecast

Sun and moon today

Day length — 11 h 29 min

Sunrise — 06:54

Sunset — 18:23

Sunrise and sunset in local time

Waning crescent, 18%

Sunrise — —

Sunset — —

Summit, IL climate by month

The annual average temperature in Summit, IL is 50.6°. The warmest month is July (average high 82.3°), and the coldest is January (average low 16.9°). About 39.1 inches of precipitation fall per year, most of it in May (4.1 in). Figures are 60-year climate normals and records from 66 years of observations.

Month	High	Low	Precipitation	Wet days	Record high	Record low
January	30.3°	16.9°	2.2 in	9	63.1° (2008)	-27.4° (1994)
February	34°	19.4°	2.0 in	8	72.1° (2024)	-17.7° (1981)
March	45.2°	29.5°	3.0 in	11	80.8° (2012)	-10.5° (1980)
April	56.8°	40°	3.9 in	12	84.6° (2021)	10.8° (1982)
May	68°	51.4°	4.1 in	12	93.6° (2012)	26.6° (2020)
June	78.3°	62.3°	4.0 in	11	99.3° (1988)	41.5° (1990)
July	82.3°	67.3°	4.0 in	11	99.7° (1995)	51.3° (1972)
August	80.6°	66.2°	3.7 in	11	98.6° (2023)	48.2° (2024)
September	73.9°	59.5°	3.3 in	10	94.3° (2011)	36.9° (1974)
October	61.6°	47.8°	3.3 in	10	89.2° (2025)	25.7° (1962)
November	47.8°	35.6°	2.9 in	9	74.8° (1978)	2.5° (2018)
December	35.8°	24.2°	2.8 in	10	67.8° (2012)	-22.7° (1983)