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
| 09 February 2026 Monday -3.3 ° C / 26.1°F  Overcast |
Feels Like : -7.7 ° C / 18.2°F Humidity : % 74 Pressure : 1023 mb Wind Speed : 11.5 kmph / 7.2 miles from SE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
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 | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 February 2026 Monday |  Partly Cloudy |
-7.3 ° C (18.9°F) |
6.8 ° C (44.2°F) |
-2.1 ° C (28.2°F) |
% 77 | 0% | 0.5 | Sunrise:06:56 AM Sunset: 05:17 PM |
Moonrise:12:57 AM Moonset: 10:15 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday | Overcast |
-2.1 ° C (28.3°F) |
5.4 ° C (41.7°F) |
1.5 ° C (34.6°F) |
% 89 | 0% | 0.5 | Sunrise:06:55 AM Sunset: 05:18 PM |
Moonrise:02:01 AM Moonset: 10:48 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday |  Sunny |
-3.8 ° C (25.2°F) |
3 ° C (37.4°F) |
-0.9 ° C (30.4°F) |
% 81 | 0% | 0.5 | Sunrise:06:54 AM Sunset: 05:20 PM |
Moonrise:03:03 AM Moonset: 11:29 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday | Overcast |
-5.7 ° C (21.7°F) |
-1.4 ° C (29.5°F) |
-3.5 ° C (25.7°F) |
% 77 | 0% | 0.4 | Sunrise:06:52 AM Sunset: 05:21 PM |
Moonrise:03:59 AM Moonset: 12:19 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Partly Cloudy |
-3.3 ° C (26.1°F) |
0.4 ° C (32.7°F) |
-2.1 ° C (28.3°F) |
% 81 | 0% | 0 | Sunrise:06:51 AM Sunset: 05:22 PM |
Moonrise:04:48 AM Moonset: 01:17 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday |  Heavy snow |
-1.9 ° C (28.7°F) |
-0.7 ° C (30.7°F) |
-1.4 ° C (29.5°F) |
% 91 | 65% | 1 | Sunrise:06:50 AM Sunset: 05:24 PM |
Moonrise:05:30 AM Moonset: 02:22 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday |  Cloudy |
-4.6 ° C (23.7°F) |
2 ° C (35.6°F) |
-0.8 ° C (30.6°F) |
% 96 | 0% | 1 | Sunrise:06:48 AM Sunset: 05:25 PM |
Moonrise:06:04 AM Moonset: 03:31 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday |  Freezing fog |
-2.9 ° C (26.8°F) |
2.1 ° C (35.8°F) |
0.4 ° C (32.8°F) |
% 94 | 0% | 1 | Sunrise:06:47 AM Sunset: 05:26 PM |
Moonrise:06:32 AM Moonset: 04:41 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday |  Patchy rain nearby |
3.8 ° C (38.9°F) |
13.3 ° C (55.9°F) |
8.8 ° C (47.8°F) |
% 90 | 75% | 2 | Sunrise:06:45 AM Sunset: 05:27 PM |
Moonrise:06:57 AM Moonset: 05:52 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Cloudy |
1.5 ° C (34.7°F) |
8.6 ° C (47.4°F) |
6.8 ° C (44.2°F) |
% 84 | 0% | 2 | Sunrise:06:44 AM Sunset: 05:29 PM |
Moonrise:07:19 AM Moonset: 07:03 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday |  Blizzard |
-1.2 ° C (29.9°F) |
1 ° C (33.7°F) |
-0.1 ° C (31.8°F) |
% 95 | 62% | 1 | Sunrise:06:43 AM Sunset: 05:30 PM |
Moonrise:07:40 AM Moonset: 08:14 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday |  Mist |
-2.3 ° C (27.9°F) |
-0.5 ° C (31.1°F) |
-1.2 ° C (29.8°F) |
% 94 | 0% | 1 | Sunrise:06:41 AM Sunset: 05:31 PM |
Moonrise:08:01 AM Moonset: 09:28 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday |  Moderate rain |
1 ° C (33.8°F) |
4 ° C (39.3°F) |
2.1 ° C (35.8°F) |
% 100 | 74% | 1 | Sunrise:06:40 AM Sunset: 05:33 PM |
Moonrise:08:23 AM Moonset: 10:43 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday |  Light freezing rain |
-4.9 ° C (23.1°F) |
0.7 ° C (33.3°F) |
-1.4 ° C (29.6°F) |
% 80 | 0% | 1 | Sunrise:06:38 AM Sunset: 05:34 PM |
Moonrise:08:51 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
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