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Weather in Round Lake Beach, IL
54°
Round Lake Beach, Monday, 26 October, 02:21
Overcast. Feels like 53°. High 65°, low 50°.
Pressure30.33 inHg
Wind4.6 mph W 
Humidity80%
Visibility6.2 mi
Dew point48°
Mon, 26October
65°/50°
65°/50°Tue, 27October67°/51°
67°/51°Wed, 28October
64°/53°
64°/53°Thu, 29October67°/55°
67°/55°Fri, 30October64°/46°
64°/46°Sat, 31October62°/50°
62°/50°Sun, 01November63°/50°
63°/50° | 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 | 64° | 52° | 53° | 53° | 54° | 62° | 64° | 63° | 61° | 56° | 52° | 50° |
| Feels like | 64° | 51° | 52° | 53° | 53° | 61° | 63° | 62° | 59° | 55° | 51° | 49° |
Pressure, inHg  | 30.36 | 30.36 | 30.33 | 30.36 | 30.39 | 30.39 | 30.36 | 30.33 | 30.33 | 30.33 | 30.36 | 30.36 |
| Wind, mph | 4.8 | 4.8 | 1.8 | 3.4 | 3.5 | 4 | 3.9 | 4 | 4.4 | 4.8 | 4.1 | 3.7 |
Humidity, %  | 64% | 64% | 83% | 92% | 91% | 75% | 64% | 64% | 68% | 75% | 80% | 85% |
| 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 |
| 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° | 52° | 53° | 53° | 53° | 62° | 65° | 64° | 62° | 59° | 57° | 56° |
| Feels like | 51° | 51° | 52° | 52° | 52° | 61° | 65° | 63° | 62° | 59° | 57° | 56° |
| Pressure, inHg | 30.33 | 30.30 | 30.30 | 30.30 | 30.30 | 30.30 | 30.27 | 30.21 | 30.18 | 30.18 | 30.18 | 30.18 |
| Wind, mph | 3.7 | 3.6 | 3.5 | 3.4 | 3.4 | 3.6 | 3.4 | 3.3 | 2.2 | 2.3 | 2.7 | 2.9 |
| Humidity, % | 88% | 89% | 89% | 89% | 91% | 82% | 77% | 70% | 74% | 85% | 90% | 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 | 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 | 55° | 55° | 54° | 53° | 54° | 58° | 61° | 62° | 63° | 60° | 58° | 57° |
| Feels like | 54° | 54° | 53° | 52° | 53° | 57° | 60° | 61° | 63° | 59° | 57° | 56° |
| Pressure, inHg | 30.18 | 30.18 | 30.18 | 30.18 | 30.21 | 30.21 | 30.18 | 30.15 | 30.12 | 30.12 | 30.12 | 30.09 |
| Wind, mph | 2.8 | 3.3 | 3.1 | 2.9 | 3.3 | 2.7 | 2.1 | 2.8 | 3.1 | 3.2 | 3.4 | 3.9 |
| Humidity, % | 89% | 89% | 90% | 91% | 88% | 82% | 76% | 74% | 73% | 80% | 82% | 78% |
| Precipitation | 0 in | 0.01 in | 0.01 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 | 57° | 56° | 55° | 56° | 58° | 61° | 65° | 66° | 64° | 62° | 59° | 56° |
| Feels like | 56° | 55° | 54° | 56° | 57° | 60° | 64° | 66° | 64° | 62° | 59° | 56° |
| Pressure, inHg | 30.09 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.06 | 30.03 | 30.03 | 30.06 | 30.09 | 30.09 |
| Wind, mph | 4.1 | 4 | 4.9 | 5.2 | 4.6 | 3.8 | 4.4 | 4.3 | 3.2 | 2.8 | 2.5 | 2.4 |
| Humidity, % | 76% | 81% | 91% | 85% | 82% | 78% | 72% | 73% | 80% | 89% | 94% | 97% |
| Precipitation | 0 in | 0.01 in | 0.01 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in | 0 in |
| Visibility | 6.2 mi | 4.1 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 | 54° | 51° | 49° | 46° | 51° | 56° | 61° | 62° | 60° | 57° | 56° | 55° |
| Feels like | 53° | 50° | 49° | 45° | 50° | 55° | 60° | 61° | 59° | 57° | 55° | 55° |
| Pressure, inHg | 30.12 | 30.15 | 30.21 | 30.21 | 30.21 | 30.21 | 30.21 | 30.21 | 30.21 | 30.21 | 30.21 | 30.21 |
| Wind, mph | 2.7 | 2.8 | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 | 3.1 |
| Humidity, % | 95% | 94% | 55% | 55% | 55% | 55% | 55% | 55% | 55% | 55% | 55% | 55% |
| 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 | — | — | — | — | — | — | — | — | — | — |
| 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 | 62° | 51° | 53° | 55° | 56° | 59° | 61° | 60° | 56° | 52° | 50° | 50° |
| Feels like | 62° | 49° | 52° | 54° | 56° | 58° | 60° | 59° | 55° | 51° | 48° | 48° |
| Pressure, inHg | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 | 30.18 |
| 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, % | 71% | 71% | 71% | 71% | 71% | 71% | 71% | 71% | 71% | 71% | 71% | 71% |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | 63° | 53° | 51° | 50° | 53° | 57° | 61° | 61° | 58° | 55° | 53° | 54° |
| Feels like | 63° | 51° | 49° | 47° | 51° | 55° | 59° | 59° | 56° | 53° | 51° | 52° |
| Pressure, inHg | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 | 30.09 |
| Wind, mph | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 | 3.8 |
| Humidity, % | 44% | 44% | 44% | 44% | 44% | 44% | 44% | 44% | 44% | 44% | 44% | 44% |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — |
Sun and moon today
Day length — 10 h 36 min
Sunrise — 07:18
Sunset — 17:54
Sunrise and sunset in local time
Full moon, 100%
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) |
Weather history
Temperature extremes over 66 years
October 26 temperatures in Round Lake Beach, IL over 66 years
high: 76.3° (1963)low: 26.2° (1962)
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