As of 12:06 CDT

Weather in Round Lake Beach, IL

65°

Round Lake Beach, Tuesday, 20 October, 12:06

Clear. Feels like 64°. High 66°, low 42°.

Pressure30.39 inHg

Wind5.7 mph S

Humidity58%

Visibility6.2 mi

Dew point50°

Tue, 20October

66°/42°

Wed, 21October

71°/42°

Thu, 22October

66°/47°

Fri, 23October

64°/48°

Sat, 24October

65°/48°

Sun, 25October

69°/53°

Mon, 26October

66°/37°

	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°	44°	43°	42°	48°	55°	62°	65°	65°	57°	50°	46°
Feels like	65°	43°	42°	42°	48°	54°	61°	64°	64°	56°	48°	44°
Pressure, inHg	30.39	30.39	30.39	30.39	30.39	30.39	30.39	30.39	30.33	30.33	30.33	30.33
Wind, mph	2.8	2.8	2.8	2.8	2.8	2.8	2.8	1.3	1.5	2.8	2.1	1.9
Humidity, %	58%	58%	58%	58%	58%	58%	58%	56%	54%	79%	89%	88%
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

	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	44°	47°	45°	43°	47°	63°	70°	69°	68°	60°	53°	49°
Feels like	42°	46°	44°	41°	45°	62°	69°	68°	67°	59°	52°	48°
Pressure, inHg	30.30	30.30	30.27	30.27	30.27	30.30	30.27	30.21	30.21	30.21	30.21	30.21
Wind, mph	1.6	1.5	1.6	1.7	2	1.5	1.8	1.8	2.2	1.4	1.8	1.7
Humidity, %	88%	87%	86%	88%	88%	74%	55%	52%	52%	70%	81%	87%
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	47°	51°	50°	50°	50°	59°	66°	66°	64°	59°	55°	53°
Feels like	46°	50°	49°	48°	50°	59°	65°	65°	64°	58°	54°	52°
Pressure, inHg	30.24	30.24	30.24	30.27	30.30	30.30	30.30	30.27	30.27	30.30	30.33	30.33
Wind, mph	1.7	1.9	1.9	1.9	2.4	1.6	2.3	2.2	3	3.3	2.7	1.8
Humidity, %	89%	90%	91%	92%	93%	84%	68%	64%	69%	88%	96%	97%
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	3.7 mi	3.9 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	51°	50°	49°	48°	49°	55°	61°	64°	64°	57°	54°	53°
Feels like	50°	49°	48°	48°	49°	55°	61°	63°	62°	56°	54°	52°
Pressure, inHg	30.30	30.33	30.33	30.33	30.36	30.39	30.36	30.33	30.30	30.33	30.33	30.33
Wind, mph	1.3	1.6	1.5	0.9	1.2	2	2.3	2.6	2.5	3.1	3.1	2.8
Humidity, %	98%	100%	100%	100%	99%	93%	71%	60%	58%	83%	92%	93%
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	4.6 mi	0.4 mi	0.2 mi	0.1 mi	6.2 mi	6.2 mi	6.2 mi	5.7 mi	4.2 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°	51°	49°	49°	50°	55°	61°	63°	61°	60°	59°	58°
Feels like	51°	50°	46°	46°	49°	54°	60°	62°	60°	59°	58°	57°
Pressure, inHg	30.33	30.36	30.36	30.36	30.39	30.39	30.36	30.33	30.33	30.33	30.33	30.33
Wind, mph	3.2	3.3	3.2	3.1	3.1	3.4	4	4.8	4.8	4.8	4.8	4.8
Humidity, %	90%	87%	85%	87%	83%	75%	67%	63%	63%	63%	63%	63%
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	—	—	—	—	—

	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°	56°	54°	53°	56°	60°	64°	64°	62°	59°	58°	57°
Feels like	65°	55°	53°	52°	56°	59°	63°	64°	61°	59°	57°	57°
Pressure, inHg	30.36	30.36	30.36	30.36	30.36	30.36	30.36	30.36	30.36	30.36	30.36	30.36
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, %	68%	68%	68%	68%	68%	68%	68%	68%	68%	68%	68%	68%
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	66°	40°	47°	53°	57°	60°	64°	62°	54°	47°	42°	40°
Feels like	66°	34°	43°	52°	55°	59°	63°	60°	50°	40°	34°	32°
Pressure, inHg	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03	30.03
Wind, mph	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5	6.5
Humidity, %	54%	54%	54%	54%	54%	54%	54%	54%	54%	54%	54%	54%
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 — 10 h 53 min

Sunrise — 07:10

Sunset — 18:03

Sunrise and sunset in local time

Waxing gibbous, 70%

Sunrise — —

Sunset — —

Round Lake Beach, IL climate by month

The annual average temperature in Round Lake Beach, IL is 49.1°. The warmest month is July (average high 80.7°), and the coldest is January (average low 15.6°). About 35.3 inches of precipitation fall per year, most of it in April (3.8 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	28.5°	15.6°	2.0 in	9	58.6° (2017)	-27.2° (2019)
February	31.8°	18.1°	1.8 in	7	70.5° (2024)	-23.1° (1996)
March	42.7°	28.1°	2.7 in	10	77° (2012)	-12.8° (1980)
April	54.2°	38.5°	3.8 in	12	81.9° (2025)	12.7° (1982)
May	65.5°	49.8°	3.6 in	11	93.4° (2018)	28.8° (1966)
June	76.3°	61.3°	3.4 in	11	96.8° (1988)	41.7° (2003)
July	80.7°	66.8°	3.3 in	10	99.1° (2012)	50.4° (1972)
August	78.9°	65.7°	3.4 in	11	98.6° (2023)	48.2° (1965)
September	72°	58.9°	3.0 in	9	93.4° (2023)	37.4° (1993)
October	59.6°	47.1°	3.1 in	10	86.9° (2025)	26.1° (1988)
November	45.9°	34.6°	2.7 in	9	73° (2020)	1.6° (2019)
December	34.1°	22.8°	2.5 in	10	65.1° (2012)	-20.7° (1983)