Chester Weather Forecast 15 Days, Weather in Chester Today
Current weather conditions and 15 day weather forecast for Chester, 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 Chester
| 09 February 2026 Monday -6.5 ° C / 20.3°F  Clear |
Feels Like : -9.6 ° C / 14.8°F Humidity : % 68 Pressure : 1021 mb Wind Speed : 6.1 kmph / 3.8 miles from ESE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Chester, IL, USA
Weather Forecast for next 15 Days for Chester 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 Chester, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 February 2026 Monday | Sunny |
-8.3 ° C (17.1°F) |
14.2 ° C (57.6°F) |
-0.5 ° C (31.2°F) |
% 64 | 0% | 0.5 | Sunrise:06:58 AM Sunset: 05:26 PM |
Moonrise:12:56 AM Moonset: 10:27 AM Moon Phase ( Last Quarter ) |
|
| 10 February 2026 Tuesday |  Overcast |
0.2 ° C (32.4°F) |
8.4 ° C (47.1°F) |
2.6 ° C (36.7°F) |
% 93 | 0% | 0.6 | Sunrise:06:56 AM Sunset: 05:28 PM |
Moonrise:01:58 AM Moonset: 11:02 AM Moon Phase ( Waning Crescent ) |
|
| 11 February 2026 Wednesday |  Partly Cloudy |
-2.6 ° C (27.3°F) |
4.7 ° C (40.5°F) |
0.5 ° C (32.8°F) |
% 80 | 0% | 0.6 | Sunrise:06:55 AM Sunset: 05:29 PM |
Moonrise:02:59 AM Moonset: 11:44 AM Moon Phase ( Waning Crescent ) |
|
| 12 February 2026 Thursday |  Light freezing rain |
-1.3 ° C (29.6°F) |
3.5 ° C (38.3°F) |
0.7 ° C (33.3°F) |
% 69 | 74% | 0.4 | Sunrise:06:54 AM Sunset: 05:30 PM |
Moonrise:03:55 AM Moonset: 12:34 PM Moon Phase ( Waning Crescent ) |
|
| 13 February 2026 Friday |  Light sleet |
-0.2 ° C (31.6°F) |
2.3 ° C (36.1°F) |
0.7 ° C (33.3°F) |
% 95 | 59% | 0 | Sunrise:06:53 AM Sunset: 05:31 PM |
Moonrise:04:44 AM Moonset: 01:32 PM Moon Phase ( Waning Crescent ) |
|
| 14 February 2026 Saturday |  Patchy rain nearby |
0.8 ° C (33.5°F) |
2.3 ° C (36.1°F) |
1.3 ° C (34.4°F) |
% 97 | 74% | 1 | Sunrise:06:52 AM Sunset: 05:32 PM |
Moonrise:05:27 AM Moonset: 02:36 PM Moon Phase ( Waning Crescent ) |
|
| 15 February 2026 Sunday | Partly Cloudy |
-1.1 ° C (30°F) |
8.5 ° C (47.2°F) |
2.5 ° C (36.6°F) |
% 88 | 0% | 2 | Sunrise:06:50 AM Sunset: 05:34 PM |
Moonrise:06:02 AM Moonset: 03:44 PM Moon Phase ( Waning Crescent ) |
|
| 16 February 2026 Monday | Partly Cloudy |
2.6 ° C (36.6°F) |
12.3 ° C (54.2°F) |
7 ° C (44.7°F) |
% 82 | 0% | 3 | Sunrise:06:49 AM Sunset: 05:35 PM |
Moonrise:06:32 AM Moonset: 04:52 PM Moon Phase ( Waning Crescent ) |
|
| 17 February 2026 Tuesday | Patchy rain nearby |
10.5 ° C (50.9°F) |
18.7 ° C (65.7°F) |
14.7 ° C (58.4°F) |
% 77 | 72% | 3 | Sunrise:06:48 AM Sunset: 05:36 PM |
Moonrise:06:58 AM Moonset: 06:01 PM Moon Phase ( New Moon ) |
|
| 18 February 2026 Wednesday | Patchy rain nearby |
10.1 ° C (50.1°F) |
15.8 ° C (60.4°F) |
13.9 ° C (57.1°F) |
% 75 | 89% | 3 | Sunrise:06:46 AM Sunset: 05:37 PM |
Moonrise:07:22 AM Moonset: 07:10 PM Moon Phase ( Waxing Crescent ) |
|
| 19 February 2026 Thursday |  Heavy rain |
2.6 ° C (36.6°F) |
16.4 ° C (61.6°F) |
9.8 ° C (49.7°F) |
% 78 | 83% | 2 | Sunrise:06:45 AM Sunset: 05:38 PM |
Moonrise:07:45 AM Moonset: 08:19 PM Moon Phase ( Waxing Crescent ) |
|
| 20 February 2026 Friday | Patchy rain nearby |
2 ° C (35.6°F) |
9 ° C (48.1°F) |
4.9 ° C (40.8°F) |
% 75 | 86% | 1 | Sunrise:06:44 AM Sunset: 05:39 PM |
Moonrise:08:08 AM Moonset: 09:31 PM Moon Phase ( Waxing Crescent ) |
|
| 21 February 2026 Saturday | Patchy rain nearby |
5.4 ° C (41.7°F) |
17.5 ° C (63.4°F) |
9.9 ° C (49.8°F) |
% 85 | 84% | 2 | Sunrise:06:42 AM Sunset: 05:41 PM |
Moonrise:08:33 AM Moonset: 10:44 PM Moon Phase ( Waxing Crescent ) |
|
| 22 February 2026 Sunday |  Light snow |
-0.4 ° C (31.3°F) |
3.3 ° C (38°F) |
2 ° C (35.6°F) |
% 70 | 0% | 1 | Sunrise:06:41 AM Sunset: 05:42 PM |
Moonrise:09:02 AM Moonset: 11:59 PM Moon Phase ( Waxing Crescent ) |
|
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