Westchester Weather Forecast 15 Days, Weather in Westchester Today
Current weather conditions and 15 day weather forecast for Westchester, 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.
Current weather conditions at Westchester
| 28 March 2026 Saturday 0.2 ° C / 32.4°F  Clear |
Feels Like : -3.5 ° C / 25.6°F Humidity : % 49 Pressure : 1036 mb Wind Speed : 11.9 kmph / 7.4 miles from NNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Westchester, IL, USA
Weather Forecast for next 15 Days for Westchester including weather warnings, temperature, rain, wind speed, cloud, snow, wind speed and wind direction, pressure and UV index.Here is weather for the next 15 days in Westchester, Illinois state, US. To see the daily forecast, scroll to the table below.
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 28 March 2026 Saturday | Sunny |
-0.9 ° C (30.4°F) |
11.4 ° C (52.5°F) |
3.4 ° C (38.2°F) |
% 57 | 0% | 1.2 | Sunrise:06:41 AM Sunset: 07:13 PM |
Moonrise:02:40 PM Moonset: 04:40 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Overcast |
3.8 ° C (38.8°F) |
10.7 ° C (51.3°F) |
7.6 ° C (45.7°F) |
% 66 | 0% | 1.3 | Sunrise:06:39 AM Sunset: 07:14 PM |
Moonrise:03:52 PM Moonset: 05:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday |  Mist |
2.5 ° C (36.5°F) |
19.2 ° C (66.6°F) |
11.3 ° C (52.3°F) |
% 83 | 0% | 1.2 | Sunrise:06:38 AM Sunset: 07:15 PM |
Moonrise:05:01 PM Moonset: 05:30 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Patchy rain nearby |
13.3 ° C (56°F) |
26.7 ° C (80.1°F) |
20.1 ° C (68.1°F) |
% 68 | 78% | 1.1 | Sunrise:06:36 AM Sunset: 07:17 PM |
Moonrise:06:08 PM Moonset: 05:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday |  Partly Cloudy |
1.6 ° C (34.9°F) |
9.4 ° C (48.8°F) |
7.4 ° C (45.3°F) |
% 53 | 0% | 0 | Sunrise:06:34 AM Sunset: 07:18 PM |
Moonrise:07:14 PM Moonset: 06:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Patchy rain nearby |
1.1 ° C (33.9°F) |
5.8 ° C (42.5°F) |
2.8 ° C (37.1°F) |
% 57 | 76% | 1 | Sunrise:06:32 AM Sunset: 07:19 PM |
Moonrise:08:19 PM Moonset: 06:30 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Patchy rain nearby |
1.2 ° C (34.2°F) |
9.4 ° C (49°F) |
5.6 ° C (42.1°F) |
% 87 | 87% | 2 | Sunrise:06:31 AM Sunset: 07:20 PM |
Moonrise:09:25 PM Moonset: 06:52 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Patchy rain nearby |
4.6 ° C (40.3°F) |
11.6 ° C (53°F) |
7.4 ° C (45.3°F) |
% 67 | 0% | 2 | Sunrise:06:29 AM Sunset: 07:21 PM |
Moonrise:10:30 PM Moonset: 07:17 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Patchy rain nearby |
2 ° C (35.5°F) |
6.3 ° C (43.4°F) |
4 ° C (39.2°F) |
% 53 | 0% | 1 | Sunrise:06:27 AM Sunset: 07:22 PM |
Moonrise:11:35 PM Moonset: 07:46 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Sunny |
1.4 ° C (34.4°F) |
8.9 ° C (48°F) |
5.3 ° C (41.5°F) |
% 51 | 0% | 3 | Sunrise:06:26 AM Sunset: 07:23 PM |
Moonrise:No moonrise Moonset: 08:21 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday |  Moderate rain |
6.8 ° C (44.3°F) |
7.9 ° C (46.3°F) |
7.6 ° C (45.7°F) |
% 85 | 87% | 2 | Sunrise:06:24 AM Sunset: 07:24 PM |
Moonrise:12:35 AM Moonset: 09:04 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Patchy rain nearby |
6.4 ° C (43.5°F) |
15.6 ° C (60.1°F) |
11.2 ° C (52.2°F) |
% 62 | 79% | 3 | Sunrise:06:22 AM Sunset: 07:25 PM |
Moonrise:01:30 AM Moonset: 09:55 AM Moon Phase ( Waning Gibbous ) |
|
| 09 April 2026 Thursday | Patchy rain nearby |
3.9 ° C (39.1°F) |
9 ° C (48.1°F) |
7.7 ° C (45.9°F) |
% 64 | 88% | 2 | Sunrise:06:21 AM Sunset: 07:27 PM |
Moonrise:02:17 AM Moonset: 10:53 AM Moon Phase ( Waning Gibbous ) |
|
| 10 April 2026 Friday | Patchy rain nearby |
2.7 ° C (36.8°F) |
7.7 ° C (45.9°F) |
5 ° C (41.1°F) |
% 58 | 85% | 2 | Sunrise:06:19 AM Sunset: 07:28 PM |
Moonrise:02:56 AM Moonset: 11:57 AM Moon Phase ( Last Quarter ) |
|
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