Current weather conditions and 15 day weather forecast for Oak Brook, 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 18.9 ° C / 66°F ![]() Partly Cloudy |
Feels Like : 17.4 ° C / 63.3°F Humidity : % 63 Pressure : 1025 mb Wind Speed : 10.4 kmph / 6.5 miles from E ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 52 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 24 September 2026 Thursday | Partly Cloudy |
14.3 ° C (57.7°F) |
20.5 ° C (68.9°F) |
17.2 ° C (62.9°F) |
% 62 | 7% | 5.7 | Sunrise:06:41 AM Sunset: 06:46 PM |
Moonrise:05:52 PM Moonset: 04:38 AM Moon Phase ( Full Moon ) |
|
| 25 September 2026 Friday | Overcast |
15.2 ° C (59.3°F) |
17.3 ° C (63.2°F) |
16 ° C (60.8°F) |
% 60 | 10% | 1.3 | Sunrise:06:42 AM Sunset: 06:44 PM |
Moonrise:06:11 PM Moonset: 05:41 AM Moon Phase ( Full Moon ) |
|
| 26 September 2026 Saturday | Overcast |
13.6 ° C (56.5°F) |
22.2 ° C (72°F) |
17 ° C (62.6°F) |
% 52 | 7% | 5.2 | Sunrise:06:43 AM Sunset: 06:42 PM |
Moonrise:06:31 PM Moonset: 06:44 AM Moon Phase ( Full Moon ) |
|
| 27 September 2026 Sunday | Overcast |
14.9 ° C (58.8°F) |
21.9 ° C (71.5°F) |
17.8 ° C (64°F) |
% 48 | 9% | 5.1 | Sunrise:06:44 AM Sunset: 06:41 PM |
Moonrise:06:52 PM Moonset: 07:48 AM Moon Phase ( Waning Gibbous ) |
|
| 28 September 2026 Monday | Sunny |
15.3 ° C (59.5°F) |
23.7 ° C (74.7°F) |
18.8 ° C (65.9°F) |
% 55 | 5% | 5.2 | Sunrise:06:45 AM Sunset: 06:39 PM |
Moonrise:07:16 PM Moonset: 08:55 AM Moon Phase ( Waning Gibbous ) |
|
| 29 September 2026 Tuesday | Overcast |
15 ° C (59.1°F) |
22.6 ° C (72.6°F) |
19.5 ° C (67.1°F) |
% 49 | 10% | 5 | Sunrise:06:46 AM Sunset: 06:37 PM |
Moonrise:07:45 PM Moonset: 10:04 AM Moon Phase ( Waning Gibbous ) |
|
| 30 September 2026 Wednesday | Patchy rain nearby |
9 ° C (48.3°F) |
21.7 ° C (71.1°F) |
13.5 ° C (56.3°F) |
% 72 | 82% | 4 | Sunrise:06:47 AM Sunset: 06:35 PM |
Moonrise:08:22 PM Moonset: 11:15 AM Moon Phase ( Waning Gibbous ) |
|
| 01 October 2026 Thursday | Sunny |
5.7 ° C (42.3°F) |
15.5 ° C (60°F) |
10.8 ° C (51.4°F) |
% 55 | 3% | 5 | Sunrise:06:48 AM Sunset: 06:34 PM |
Moonrise:09:08 PM Moonset: 12:26 PM Moon Phase ( Last Quarter ) |
|
| 02 October 2026 Friday | Sunny |
10.7 ° C (51.3°F) |
20.6 ° C (69.1°F) |
14.8 ° C (58.6°F) |
% 46 | 2% | 6 | Sunrise:06:49 AM Sunset: 06:32 PM |
Moonrise:10:06 PM Moonset: 01:31 PM Moon Phase ( Last Quarter ) |
|
| 03 October 2026 Saturday | Sunny |
10.5 ° C (50.9°F) |
19.1 ° C (66.3°F) |
14.2 ° C (57.5°F) |
% 67 | 36% | 5 | Sunrise:06:51 AM Sunset: 06:30 PM |
Moonrise:11:15 PM Moonset: 02:27 PM Moon Phase ( Last Quarter ) |
|
| 04 October 2026 Sunday | Sunny |
6.6 ° C (43.8°F) |
15.3 ° C (59.5°F) |
11.3 ° C (52.4°F) |
% 58 | 7% | 4 | Sunrise:06:52 AM Sunset: 06:29 PM |
Moonrise:Does not rise today Moonset: 03:14 PM Moon Phase ( Last Quarter ) |
|
| 05 October 2026 Monday | Cloudy |
10.8 ° C (51.4°F) |
17.8 ° C (64°F) |
13.4 ° C (56.2°F) |
% 60 | 61% | 4 | Sunrise:06:53 AM Sunset: 06:27 PM |
Moonrise:12:31 AM Moonset: 03:51 PM Moon Phase ( Waning Crescent ) |
|
| 06 October 2026 Tuesday | Overcast |
9.8 ° C (49.6°F) |
14.6 ° C (58.3°F) |
11.8 ° C (53.3°F) |
% 61 | 8% | 4 | Sunrise:06:54 AM Sunset: 06:25 PM |
Moonrise:01:49 AM Moonset: 04:22 PM Moon Phase ( Waning Crescent ) |
|
| 07 October 2026 Wednesday | Sunny |
8.4 ° C (47°F) |
16.8 ° C (62.3°F) |
12.3 ° C (54.1°F) |
% 43 | 4% | 5 | Sunrise:06:55 AM Sunset: 06:23 PM |
Moonrise:03:07 AM Moonset: 04:48 PM Moon Phase ( Waning Crescent ) |
|