Current weather conditions and 15 day weather forecast for Round Lake Park, 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.
| 09 February 2026 Monday 3.3 ° C / 37.9°F ![]() Overcast |
Feels Like : 0.8 ° C / 33.4°F Humidity : % 46 Pressure : 1016 mb Wind Speed : 9.4 kmph / 5.8 miles from SSE ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 February 2026 Monday | Sunny |
-6.4 ° C (20.5°F) |
7.4 ° C (45.3°F) |
-0.6 ° C (30.9°F) |
% 66 | 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 | Partly Cloudy |
-1.5 ° C (29.3°F) |
5.3 ° C (41.5°F) |
1 ° C (33.7°F) |
% 80 | 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 | Partly Cloudy |
-2.7 ° C (27.1°F) |
2.1 ° C (35.8°F) |
-1 ° C (30.3°F) |
% 78 | 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 | Mist |
-4.8 ° C (23.4°F) |
-0.2 ° C (31.6°F) |
-2.6 ° C (27.3°F) |
% 90 | 0% | 0.3 | Sunrise:06:52 AM Sunset: 05:21 PM |
Moonrise:03:59 AM Moonset: 12:19 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday | Sunny |
-2.6 ° C (27.4°F) |
2.8 ° C (37.1°F) |
-0.5 ° C (31.1°F) |
% 76 | 0% | 0.4 | Sunrise:06:51 AM Sunset: 05:22 PM |
Moonrise:04:48 AM Moonset: 01:17 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday | Sunny |
-1.2 ° C (29.8°F) |
4 ° C (39.2°F) |
0.1 ° C (32.2°F) |
% 69 | 0% | 0 | Sunrise:06:50 AM Sunset: 05:24 PM |
Moonrise:05:30 AM Moonset: 02:22 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Sunny |
-0.6 ° C (30.9°F) |
5 ° C (40.9°F) |
1.3 ° C (34.3°F) |
% 70 | 0% | 2 | Sunrise:06:48 AM Sunset: 05:25 PM |
Moonrise:06:04 AM Moonset: 03:31 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Partly Cloudy |
-0.1 ° C (31.8°F) |
8.1 ° C (46.6°F) |
3.4 ° C (38.2°F) |
% 86 | 0% | 2 | Sunrise:06:47 AM Sunset: 05:26 PM |
Moonrise:06:32 AM Moonset: 04:41 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Partly Cloudy |
5.3 ° C (41.6°F) |
15.4 ° C (59.7°F) |
10.4 ° C (50.7°F) |
% 80 | 0% | 4 | Sunrise:06:45 AM Sunset: 05:27 PM |
Moonrise:06:57 AM Moonset: 05:52 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Sunny |
2.9 ° C (37.2°F) |
9.9 ° C (49.8°F) |
8.4 ° C (47.1°F) |
% 66 | 0% | 3 | Sunrise:06:44 AM Sunset: 05:29 PM |
Moonrise:07:19 AM Moonset: 07:03 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday | Patchy rain nearby |
1 ° C (33.9°F) |
13.9 ° C (57°F) |
6.6 ° C (43.8°F) |
% 83 | 85% | 2 | Sunrise:06:43 AM Sunset: 05:30 PM |
Moonrise:07:40 AM Moonset: 08:14 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Partly Cloudy |
-3.9 ° C (25°F) |
0.9 ° C (33.7°F) |
0.7 ° C (33.2°F) |
% 52 | 0% | 2 | Sunrise:06:41 AM Sunset: 05:31 PM |
Moonrise:08:01 AM Moonset: 09:28 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Sunny |
-6 ° C (21.2°F) |
-0.8 ° C (30.5°F) |
-3.6 ° C (25.5°F) |
% 57 | 0% | 2 | Sunrise:06:40 AM Sunset: 05:33 PM |
Moonrise:08:23 AM Moonset: 10:43 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday | Patchy rain nearby |
-1.1 ° C (30°F) |
4 ° C (39.2°F) |
1.9 ° C (35.4°F) |
% 72 | 89% | 1 | Sunrise:06:38 AM Sunset: 05:34 PM |
Moonrise:08:51 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|