Current weather conditions and 15 day weather forecast for South Barrington, 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.
| 11 August 2026 Tuesday 23.3 ° C / 73.9°F ![]() Patchy rain nearby |
Feels Like : 26.6 ° C / 79.9°F Humidity : % 89 Pressure : 1012 mb Wind Speed : 5.8 kmph / 3.6 miles from NE ![]() Visibility : 2 km Precipitation (rainfall) : 1.11 mm Cloud (%) : 87 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 10 August 2026 Monday | Patchy rain nearby |
21.6 ° C (70.9°F) |
32.1 ° C (89.8°F) |
25.7 ° C (78.2°F) |
% 82 | 82% | 5.3 | Sunrise:05:55 AM Sunset: 08:00 PM |
Moonrise:02:33 AM Moonset: 06:44 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
20.4 ° C (68.8°F) |
27.6 ° C (81.6°F) |
23.3 ° C (73.9°F) |
% 87 | 81% | 6.2 | Sunrise:05:56 AM Sunset: 07:59 PM |
Moonrise:03:54 AM Moonset: 07:25 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
19.8 ° C (67.7°F) |
25 ° C (77°F) |
21.9 ° C (71.5°F) |
% 88 | 82% | 5.4 | Sunrise:05:57 AM Sunset: 07:57 PM |
Moonrise:05:18 AM Moonset: 07:58 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
18.5 ° C (65.3°F) |
28.8 ° C (83.8°F) |
22.1 ° C (71.8°F) |
% 79 | 57% | 5.7 | Sunrise:05:58 AM Sunset: 07:56 PM |
Moonrise:06:41 AM Moonset: 08:25 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
17.4 ° C (63.3°F) |
23.1 ° C (73.5°F) |
19.8 ° C (67.7°F) |
% 68 | 6% | 7.5 | Sunrise:05:59 AM Sunset: 07:55 PM |
Moonrise:08:01 AM Moonset: 08:49 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Partly Cloudy |
17.3 ° C (63.2°F) |
23 ° C (73.3°F) |
20.7 ° C (69.2°F) |
% 76 | 53% | 6 | Sunrise:06:00 AM Sunset: 07:53 PM |
Moonrise:09:18 AM Moonset: 09:12 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Fog |
21.5 ° C (70.7°F) |
25.7 ° C (78.3°F) |
23.2 ° C (73.8°F) |
% 91 | 64% | 7 | Sunrise:06:01 AM Sunset: 07:52 PM |
Moonrise:10:33 AM Moonset: 09:36 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Mist |
17.9 ° C (64.2°F) |
23.4 ° C (74.2°F) |
20.8 ° C (69.5°F) |
% 81 | 23% | 6 | Sunrise:06:02 AM Sunset: 07:50 PM |
Moonrise:11:46 AM Moonset: 10:01 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
17.1 ° C (62.8°F) |
28.1 ° C (82.7°F) |
21.6 ° C (70.9°F) |
% 64 | 5% | 7 | Sunrise:06:03 AM Sunset: 07:49 PM |
Moonrise:12:58 PM Moonset: 10:31 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
18.2 ° C (64.7°F) |
27.7 ° C (81.8°F) |
22.9 ° C (73.2°F) |
% 69 | 5% | 7 | Sunrise:06:04 AM Sunset: 07:47 PM |
Moonrise:02:08 PM Moonset: 11:06 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
21.4 ° C (70.6°F) |
32.4 ° C (90.3°F) |
26.4 ° C (79.5°F) |
% 65 | 17% | 8 | Sunrise:06:05 AM Sunset: 07:46 PM |
Moonrise:03:14 PM Moonset: 11:48 PM Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Sunny |
20.5 ° C (68.8°F) |
27.7 ° C (81.9°F) |
23.5 ° C (74.3°F) |
% 83 | 57% | 7 | Sunrise:06:06 AM Sunset: 07:44 PM |
Moonrise:04:12 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Overcast |
20 ° C (68°F) |
28.6 ° C (83.5°F) |
22.4 ° C (72.4°F) |
% 88 | 88% | 7 | Sunrise:06:07 AM Sunset: 07:43 PM |
Moonrise:05:02 PM Moonset: 12:38 AM Moon Phase ( Waxing Gibbous ) |
|
| 23 August 2026 Sunday | Sunny |
17.9 ° C (64.2°F) |
23.3 ° C (74°F) |
20.5 ° C (68.9°F) |
% 70 | 36% | 6 | Sunrise:06:08 AM Sunset: 07:41 PM |
Moonrise:05:44 PM Moonset: 01:34 AM Moon Phase ( Waxing Gibbous ) |
|