Current weather conditions and 15 day weather forecast for Westmont, 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.
| 13 May 2026 Wednesday 12.2 ° C / 54°F ![]() Sunny |
Feels Like : 10.4 ° C / 50.6°F Humidity : % 61 Pressure : 1013 mb Wind Speed : 17.6 kmph / 11 miles from WNW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 13 May 2026 Wednesday | Partly Cloudy |
9.3 ° C (48.8°F) |
15.7 ° C (60.3°F) |
12.2 ° C (54°F) |
% 58 | 0% | 4.6 | Sunrise:05:34 AM Sunset: 08:03 PM |
Moonrise:03:27 AM Moonset: 04:34 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Sunny |
6.6 ° C (43.9°F) |
18.8 ° C (65.8°F) |
12.7 ° C (54.8°F) |
% 51 | 0% | 7.5 | Sunrise:05:33 AM Sunset: 08:04 PM |
Moonrise:03:51 AM Moonset: 05:51 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
10.6 ° C (51°F) |
23.4 ° C (74.1°F) |
16 ° C (60.8°F) |
% 72 | 80% | 0.4 | Sunrise:05:32 AM Sunset: 08:05 PM |
Moonrise:04:19 AM Moonset: 07:12 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
16.2 ° C (61.1°F) |
29.5 ° C (85.1°F) |
22.5 ° C (72.5°F) |
% 60 | 87% | 5 | Sunrise:05:31 AM Sunset: 08:06 PM |
Moonrise:04:53 AM Moonset: 08:34 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
18.5 ° C (65.3°F) |
28 ° C (82.4°F) |
21.8 ° C (71.2°F) |
% 76 | 73% | 5 | Sunrise:05:30 AM Sunset: 08:07 PM |
Moonrise:05:38 AM Moonset: 09:54 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Moderate rain |
19.5 ° C (67°F) |
22.9 ° C (73.1°F) |
21.1 ° C (69.9°F) |
% 86 | 68% | 5 | Sunrise:05:29 AM Sunset: 08:08 PM |
Moonrise:06:34 AM Moonset: 11:03 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
11.9 ° C (53.3°F) |
14.4 ° C (57.8°F) |
14.4 ° C (58°F) |
% 90 | 86% | 3 | Sunrise:05:28 AM Sunset: 08:09 PM |
Moonrise:07:44 AM Moonset: 11:58 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Partly Cloudy |
9.7 ° C (49.4°F) |
22.4 ° C (72.4°F) |
16.2 ° C (61.2°F) |
% 65 | 0% | 5 | Sunrise:05:28 AM Sunset: 08:10 PM |
Moonrise:09:00 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
15.6 ° C (60.1°F) |
26.2 ° C (79.1°F) |
20.4 ° C (68.8°F) |
% 68 | 85% | 5 | Sunrise:05:27 AM Sunset: 08:11 PM |
Moonrise:10:18 AM Moonset: 12:41 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Patchy rain nearby |
12.8 ° C (55°F) |
25.4 ° C (77.8°F) |
18.5 ° C (65.3°F) |
% 78 | 89% | 4 | Sunrise:05:26 AM Sunset: 08:12 PM |
Moonrise:11:34 AM Moonset: 01:14 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
9.5 ° C (49.2°F) |
12.4 ° C (54.3°F) |
11.6 ° C (52.9°F) |
% 65 | 85% | 3 | Sunrise:05:25 AM Sunset: 08:13 PM |
Moonrise:12:45 PM Moonset: 01:40 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
7.3 ° C (45.2°F) |
17.3 ° C (63.2°F) |
11.3 ° C (52.4°F) |
% 46 | 0% | 4 | Sunrise:05:24 AM Sunset: 08:14 PM |
Moonrise:01:52 PM Moonset: 02:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Partly Cloudy |
8.2 ° C (46.8°F) |
17.8 ° C (64.1°F) |
13.9 ° C (57°F) |
% 49 | 0% | 4 | Sunrise:05:24 AM Sunset: 08:15 PM |
Moonrise:02:57 PM Moonset: 02:22 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Patchy rain nearby |
15 ° C (59°F) |
23.2 ° C (73.8°F) |
17.5 ° C (63.6°F) |
% 75 | 0% | 4 | Sunrise:05:23 AM Sunset: 08:16 PM |
Moonrise:04:01 PM Moonset: 02:42 AM Moon Phase ( Waxing Gibbous ) |
|