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.
| 25 September 2026 Friday 15.4 ° C / 59.8°F ![]() Overcast |
Feels Like : 13.6 ° C / 56.5°F Humidity : % 56 Pressure : 1027 mb Wind Speed : 5.4 kmph / 3.4 miles from E ![]() Visibility : 10 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 25 September 2026 Friday | Overcast |
15.1 ° C (59.3°F) |
18.2 ° C (64.8°F) |
16.1 ° C (61°F) |
% 61 | 11% | 1.9 | Sunrise:06:43 AM Sunset: 06:45 PM |
Moonrise:06:12 PM Moonset: 05:41 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
13.3 ° C (56°F) |
21.6 ° C (70.9°F) |
16.7 ° C (62.1°F) |
% 48 | 6% | 5.1 | Sunrise:06:44 AM Sunset: 06:43 PM |
Moonrise:06:31 PM Moonset: 06:44 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
14.2 ° C (57.6°F) |
21.8 ° C (71.2°F) |
17.2 ° C (62.9°F) |
% 48 | 8% | 5 | Sunrise:06:45 AM Sunset: 06:41 PM |
Moonrise:06:52 PM Moonset: 07:49 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
14.6 ° C (58.2°F) |
23.3 ° C (73.9°F) |
18.1 ° C (64.6°F) |
% 55 | 3% | 5.2 | Sunrise:06:46 AM Sunset: 06:39 PM |
Moonrise:07:16 PM Moonset: 08:56 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
15.2 ° C (59.3°F) |
19.4 ° C (66.8°F) |
17.3 ° C (63.1°F) |
% 64 | 57% | 4 | Sunrise:06:47 AM Sunset: 06:38 PM |
Moonrise:07:45 PM Moonset: 10:06 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Light rain |
13.8 ° C (56.8°F) |
18.2 ° C (64.8°F) |
16.5 ° C (61.7°F) |
% 88 | 91% | 4 | Sunrise:06:48 AM Sunset: 06:36 PM |
Moonrise:08:22 PM Moonset: 11:17 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Light rain |
16.7 ° C (62.1°F) |
18.5 ° C (65.4°F) |
17.5 ° C (63.5°F) |
% 97 | 94% | 4 | Sunrise:06:49 AM Sunset: 06:34 PM |
Moonrise:09:08 PM Moonset: 12:27 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Mist |
15.8 ° C (60.4°F) |
21.8 ° C (71.3°F) |
18.2 ° C (64.8°F) |
% 83 | 29% | 6 | Sunrise:06:50 AM Sunset: 06:32 PM |
Moonrise:10:06 PM Moonset: 01:33 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Overcast |
17.3 ° C (63.1°F) |
26.9 ° C (80.5°F) |
22 ° C (71.6°F) |
% 74 | 16% | 6 | Sunrise:06:51 AM Sunset: 06:31 PM |
Moonrise:11:15 PM Moonset: 02:29 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Patchy rain nearby |
15.9 ° C (60.6°F) |
26.7 ° C (80.1°F) |
21.8 ° C (71.3°F) |
% 74 | 61% | 7 | Sunrise:06:52 AM Sunset: 06:29 PM |
Moonrise:Does not rise today Moonset: 03:15 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Sunny |
7 ° C (44.6°F) |
15.3 ° C (59.5°F) |
10.4 ° C (50.8°F) |
% 68 | 73% | 4 | Sunrise:06:53 AM Sunset: 06:27 PM |
Moonrise:12:30 AM Moonset: 03:52 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Sunny |
3 ° C (37.4°F) |
10.8 ° C (51.5°F) |
7.1 ° C (44.8°F) |
% 49 | 3% | 4 | Sunrise:06:55 AM Sunset: 06:26 PM |
Moonrise:01:49 AM Moonset: 04:23 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Overcast |
5.6 ° C (42.1°F) |
14.9 ° C (58.8°F) |
9.9 ° C (49.8°F) |
% 56 | 10% | 4 | Sunrise:06:56 AM Sunset: 06:24 PM |
Moonrise:03:08 AM Moonset: 04:49 PM Moon Phase ( Waning Crescent ) |
|
| 08 October 2026 Thursday | Sunny |
3 ° C (37.4°F) |
9.7 ° C (49.5°F) |
7.4 ° C (45.3°F) |
% 70 | 17% | 3 | Sunrise:06:57 AM Sunset: 06:22 PM |
Moonrise:04:25 AM Moonset: 05:13 PM Moon Phase ( Waning Crescent ) |
|