Round Lake Beach Weather Forecast 15 Days, Weather in Round Lake Beach Today
Current weather conditions and 15 day weather forecast for Round Lake Beach, Illinois, USA including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain risk, wind speed, cloud, pressure, and UV index.
Current weather conditions at Round Lake Beach
| 24 August 2025 Sunday 21.1 ° C / 70°F  Partly cloudy |
Feels Like : 21.1 ° C / 70°F Humidity : % 59 Pressure : 1014 mb Wind Speed : 21.6 kmph / 13.4 miles from WNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Round Lake Beach, IL, USA
Weather Forecast for next 15 Days for Round Lake Beach including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Round Lake Beach, Illinois state, US. To see the daily forecast, scroll to the table below.
| Date | |
|---|---|
| 24 August 2025 Sunday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 9.6 ° C (49.3°F) |
| High temperature | 23.5 ° C (74.3°F) |
| Avg. temperature | 16.4 ° C (61.6°F) |
| Humidity | % 75 |
| Chance of rain | 0% |
| UV Index | 1.6 |
| Sun Position | Sunrise:06:09 AM Sunset: 07:39 PM |
| Moon Position | Moonrise:07:32 AM Moonset: 08:20 PM Moon Phase ( Waxing Crescent ) |
| 25 August 2025 Monday | |
| Weather forecast | Partly Cloudy |
| Low temperature | 8.3 ° C (46.9°F) |
| High temperature | 19.3 ° C (66.7°F) |
| Avg. temperature | 14.2 ° C (57.5°F) |
| Humidity | % 71 |
| Chance of rain | 0% |
| UV Index | 1.7 |
| Sun Position | Sunrise:06:10 AM Sunset: 07:37 PM |
| Moon Position | Moonrise:08:37 AM Moonset: 08:38 PM Moon Phase ( Waxing Crescent ) |
| 26 August 2025 Tuesday | |
| Weather forecast |  Sunny |
| Low temperature | 6 ° C (42.8°F) |
| High temperature | 22.9 ° C (73.2°F) |
| Avg. temperature | 13.9 ° C (56.9°F) |
| Humidity | % 69 |
| Chance of rain | 0% |
| UV Index | 1.3 |
| Sun Position | Sunrise:06:11 AM Sunset: 07:36 PM |
| Moon Position | Moonrise:09:41 AM Moonset: 08:57 PM Moon Phase ( Waxing Crescent ) |
| 27 August 2025 Wednesday | |
| Weather forecast | Sunny |
| Low temperature | 8.6 ° C (47.5°F) |
| High temperature | 21.2 ° C (70.1°F) |
| Avg. temperature | 15.2 ° C (59.4°F) |
| Humidity | % 67 |
| Chance of rain | 0% |
| UV Index | 1.7 |
| Sun Position | Sunrise:06:12 AM Sunset: 07:34 PM |
| Moon Position | Moonrise:10:44 AM Moonset: 09:17 PM Moon Phase ( Waxing Crescent ) |
| 28 August 2025 Thursday | |
| Weather forecast |  Patchy rain nearby |
| Low temperature | 13.3 ° C (56°F) |
| High temperature | 25.2 ° C (77.3°F) |
| Avg. temperature | 18.9 ° C (66°F) |
| Humidity | % 73 |
| Chance of rain | 88% |
| UV Index | 0 |
| Sun Position | Sunrise:06:13 AM Sunset: 07:32 PM |
| Moon Position | Moonrise:11:48 AM Moonset: 09:40 PM Moon Phase ( Waxing Crescent ) |
| 29 August 2025 Friday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 16.6 ° C (61.9°F) |
| High temperature | 27.5 ° C (81.4°F) |
| Avg. temperature | 21.1 ° C (69.9°F) |
| Humidity | % 75 |
| Chance of rain | 62% |
| UV Index | 5 |
| Sun Position | Sunrise:06:14 AM Sunset: 07:31 PM |
| Moon Position | Moonrise:12:52 PM Moonset: 10:07 PM Moon Phase ( Waxing Crescent ) |
| 30 August 2025 Saturday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 17 ° C (62.7°F) |
| High temperature | 19.6 ° C (67.2°F) |
| Avg. temperature | 18.8 ° C (65.8°F) |
| Humidity | % 83 |
| Chance of rain | 88% |
| UV Index | 4 |
| Sun Position | Sunrise:06:15 AM Sunset: 07:29 PM |
| Moon Position | Moonrise:01:57 PM Moonset: 10:40 PM Moon Phase ( Waxing Crescent ) |
| 31 August 2025 Sunday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 16.6 ° C (61.9°F) |
| High temperature | 23.4 ° C (74°F) |
| Avg. temperature | 19.9 ° C (67.8°F) |
| Humidity | % 91 |
| Chance of rain | 81% |
| UV Index | 4 |
| Sun Position | Sunrise:06:16 AM Sunset: 07:27 PM |
| Moon Position | Moonrise:02:59 PM Moonset: 11:23 PM Moon Phase ( First Quarter ) |
| 01 September 2025 Monday | |
| Weather forecast | Patchy rain nearby |
| Low temperature | 13 ° C (55.5°F) |
| High temperature | 18.7 ° C (65.7°F) |
| Avg. temperature | 15.4 ° C (59.7°F) |
| Humidity | % 68 |
| Chance of rain | 67% |
| UV Index | 4 |
| Sun Position | Sunrise:06:17 AM Sunset: 07:26 PM |
| Moon Position | Moonrise:03:56 PM Moonset: No moonset Moon Phase ( Waxing Gibbous ) |
| 02 September 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | 11.6 ° C (52.9°F) |
| High temperature | 19.1 ° C (66.4°F) |
| Avg. temperature | 15 ° C (59.1°F) |
| Humidity | % 61 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:19 AM Sunset: 07:24 PM |
| Moon Position | Moonrise:04:46 PM Moonset: 12:14 AM Moon Phase ( Waxing Gibbous ) |
| 03 September 2025 Wednesday | |
| Weather forecast | Sunny |
| Low temperature | 11.2 ° C (52.2°F) |
| High temperature | 22.2 ° C (72°F) |
| Avg. temperature | 16.1 ° C (61.1°F) |
| Humidity | % 69 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:20 AM Sunset: 07:22 PM |
| Moon Position | Moonrise:05:28 PM Moonset: 01:15 AM Moon Phase ( Waxing Gibbous ) |
| 04 September 2025 Thursday | |
| Weather forecast | Sunny |
| Low temperature | 13.3 ° C (55.9°F) |
| High temperature | 24.2 ° C (75.6°F) |
| Avg. temperature | 17.9 ° C (64.2°F) |
| Humidity | % 69 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:21 AM Sunset: 07:21 PM |
| Moon Position | Moonrise:06:03 PM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
| 05 September 2025 Friday | |
| Weather forecast | Sunny |
| Low temperature | 15 ° C (59.1°F) |
| High temperature | 25.8 ° C (78.4°F) |
| Avg. temperature | 19.5 ° C (67.1°F) |
| Humidity | % 65 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:22 AM Sunset: 07:19 PM |
| Moon Position | Moonrise:06:31 PM Moonset: 03:37 AM Moon Phase ( Waxing Gibbous ) |
| 06 September 2025 Saturday | |
| Weather forecast | Sunny |
| Low temperature | 15 ° C (59.1°F) |
| High temperature | 26.1 ° C (78.9°F) |
| Avg. temperature | 19.8 ° C (67.6°F) |
| Humidity | % 65 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:23 AM Sunset: 07:17 PM |
| Moon Position | Moonrise:06:56 PM Moonset: 04:51 AM Moon Phase ( Waxing Gibbous ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 August 2025 Sunday | Partly Cloudy |
9.6 ° C (49.3°F) |
23.5 ° C (74.3°F) |
16.4 ° C (61.6°F) |
% 75 | 0% | 1.6 | Sunrise:06:09 AM Sunset: 07:39 PM |
Moonrise:07:32 AM Moonset: 08:20 PM Moon Phase ( Waxing Crescent ) |
|
| 25 August 2025 Monday | Partly Cloudy |
8.3 ° C (46.9°F) |
19.3 ° C (66.7°F) |
14.2 ° C (57.5°F) |
% 71 | 0% | 1.7 | Sunrise:06:10 AM Sunset: 07:37 PM |
Moonrise:08:37 AM Moonset: 08:38 PM Moon Phase ( Waxing Crescent ) |
|
| 26 August 2025 Tuesday | Sunny |
6 ° C (42.8°F) |
22.9 ° C (73.2°F) |
13.9 ° C (56.9°F) |
% 69 | 0% | 1.3 | Sunrise:06:11 AM Sunset: 07:36 PM |
Moonrise:09:41 AM Moonset: 08:57 PM Moon Phase ( Waxing Crescent ) |
|
| 27 August 2025 Wednesday | Sunny |
8.6 ° C (47.5°F) |
21.2 ° C (70.1°F) |
15.2 ° C (59.4°F) |
% 67 | 0% | 1.7 | Sunrise:06:12 AM Sunset: 07:34 PM |
Moonrise:10:44 AM Moonset: 09:17 PM Moon Phase ( Waxing Crescent ) |
|
| 28 August 2025 Thursday | Patchy rain nearby |
13.3 ° C (56°F) |
25.2 ° C (77.3°F) |
18.9 ° C (66°F) |
% 73 | 88% | 0 | Sunrise:06:13 AM Sunset: 07:32 PM |
Moonrise:11:48 AM Moonset: 09:40 PM Moon Phase ( Waxing Crescent ) |
|
| 29 August 2025 Friday | Patchy rain nearby |
16.6 ° C (61.9°F) |
27.5 ° C (81.4°F) |
21.1 ° C (69.9°F) |
% 75 | 62% | 5 | Sunrise:06:14 AM Sunset: 07:31 PM |
Moonrise:12:52 PM Moonset: 10:07 PM Moon Phase ( Waxing Crescent ) |
|
| 30 August 2025 Saturday | Patchy rain nearby |
17 ° C (62.7°F) |
19.6 ° C (67.2°F) |
18.8 ° C (65.8°F) |
% 83 | 88% | 4 | Sunrise:06:15 AM Sunset: 07:29 PM |
Moonrise:01:57 PM Moonset: 10:40 PM Moon Phase ( Waxing Crescent ) |
|
| 31 August 2025 Sunday | Patchy rain nearby |
16.6 ° C (61.9°F) |
23.4 ° C (74°F) |
19.9 ° C (67.8°F) |
% 91 | 81% | 4 | Sunrise:06:16 AM Sunset: 07:27 PM |
Moonrise:02:59 PM Moonset: 11:23 PM Moon Phase ( First Quarter ) |
|
| 01 September 2025 Monday | Patchy rain nearby |
13 ° C (55.5°F) |
18.7 ° C (65.7°F) |
15.4 ° C (59.7°F) |
% 68 | 67% | 4 | Sunrise:06:17 AM Sunset: 07:26 PM |
Moonrise:03:56 PM Moonset: No moonset Moon Phase ( Waxing Gibbous ) |
|
| 02 September 2025 Tuesday | Sunny |
11.6 ° C (52.9°F) |
19.1 ° C (66.4°F) |
15 ° C (59.1°F) |
% 61 | 0% | 5 | Sunrise:06:19 AM Sunset: 07:24 PM |
Moonrise:04:46 PM Moonset: 12:14 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 September 2025 Wednesday | Sunny |
11.2 ° C (52.2°F) |
22.2 ° C (72°F) |
16.1 ° C (61.1°F) |
% 69 | 0% | 5 | Sunrise:06:20 AM Sunset: 07:22 PM |
Moonrise:05:28 PM Moonset: 01:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 04 September 2025 Thursday | Sunny |
13.3 ° C (55.9°F) |
24.2 ° C (75.6°F) |
17.9 ° C (64.2°F) |
% 69 | 0% | 5 | Sunrise:06:21 AM Sunset: 07:21 PM |
Moonrise:06:03 PM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 05 September 2025 Friday | Sunny |
15 ° C (59.1°F) |
25.8 ° C (78.4°F) |
19.5 ° C (67.1°F) |
% 65 | 0% | 5 | Sunrise:06:22 AM Sunset: 07:19 PM |
Moonrise:06:31 PM Moonset: 03:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 06 September 2025 Saturday | Sunny |
15 ° C (59.1°F) |
26.1 ° C (78.9°F) |
19.8 ° C (67.6°F) |
% 65 | 0% | 5 | Sunrise:06:23 AM Sunset: 07:17 PM |
Moonrise:06:56 PM Moonset: 04:51 AM Moon Phase ( Waxing Gibbous ) |
|
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