Decker Weather Forecast 15 Days, Weather in Decker Today
Current weather conditions and 15 day weather forecast for Decker, 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 Decker
| 27 March 2026 Friday 5.1 ° C / 41.2°F  Moderate or heavy rain with thunder |
Feels Like : 0.3 ° C / 32.6°F Humidity : % 99 Pressure : 1021 mb Wind Speed : 28.1 kmph / 17.4 miles from NNE  Visibility : 11 km Precipitation (rainfall) : 2.26 mm Cloud (%) : 100 |
15 day weather forecast for Decker, IL, USA
Weather Forecast for next 15 Days for Decker 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 Decker, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 27 March 2026 Friday |  Patchy rain nearby |
3.1 ° C (37.6°F) |
12.5 ° C (54.5°F) |
7.9 ° C (46.2°F) |
% 79 | 86% | 1 | Sunrise:06:45 AM Sunset: 07:11 PM |
Moonrise:01:37 PM Moonset: 03:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday |  Sunny |
-1.3 ° C (29.7°F) |
12 ° C (53.6°F) |
5.3 ° C (41.5°F) |
% 59 | 0% | 1.6 | Sunrise:06:43 AM Sunset: 07:12 PM |
Moonrise:02:48 PM Moonset: 04:32 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Cloudy |
3.2 ° C (37.8°F) |
17.2 ° C (63°F) |
10.1 ° C (50.2°F) |
% 59 | 0% | 0.7 | Sunrise:06:41 AM Sunset: 07:13 PM |
Moonrise:03:57 PM Moonset: 05:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Patchy rain nearby |
12.7 ° C (54.9°F) |
24.3 ° C (75.7°F) |
17.4 ° C (63.2°F) |
% 76 | 86% | 1.1 | Sunrise:06:40 AM Sunset: 07:14 PM |
Moonrise:05:04 PM Moonset: 05:28 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday |  Partly Cloudy |
16.9 ° C (62.4°F) |
24.1 ° C (75.4°F) |
19.3 ° C (66.8°F) |
% 79 | 0% | 0 | Sunrise:06:38 AM Sunset: 07:15 PM |
Moonrise:06:08 PM Moonset: 05:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
14.6 ° C (58.2°F) |
21.4 ° C (70.4°F) |
18.7 ° C (65.6°F) |
% 86 | 87% | 4 | Sunrise:06:37 AM Sunset: 07:16 PM |
Moonrise:07:12 PM Moonset: 06:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Moderate rain |
14 ° C (57.1°F) |
23.3 ° C (73.9°F) |
18.3 ° C (64.9°F) |
% 88 | 89% | 4 | Sunrise:06:35 AM Sunset: 07:17 PM |
Moonrise:08:14 PM Moonset: 06:35 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Partly Cloudy |
5.4 ° C (41.8°F) |
10.2 ° C (50.3°F) |
8.7 ° C (47.7°F) |
% 70 | 0% | 3 | Sunrise:06:34 AM Sunset: 07:18 PM |
Moonrise:09:18 PM Moonset: 06:59 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Sunny |
2.9 ° C (37.2°F) |
15.6 ° C (60°F) |
8.9 ° C (48°F) |
% 66 | 0% | 3 | Sunrise:06:32 AM Sunset: 07:19 PM |
Moonrise:10:21 PM Moonset: 07:26 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Sunny |
7.7 ° C (45.8°F) |
18.6 ° C (65.4°F) |
13.3 ° C (55.9°F) |
% 66 | 0% | 4 | Sunrise:06:31 AM Sunset: 07:20 PM |
Moonrise:11:23 PM Moonset: 07:57 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Patchy rain nearby |
12.8 ° C (55.1°F) |
17.2 ° C (62.9°F) |
15.1 ° C (59.1°F) |
% 66 | 65% | 4 | Sunrise:06:29 AM Sunset: 07:21 PM |
Moonrise:No moonrise Moonset: 08:34 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Partly Cloudy |
10.6 ° C (51.1°F) |
20 ° C (68°F) |
14.8 ° C (58.7°F) |
% 64 | 0% | 4 | Sunrise:06:28 AM Sunset: 07:22 PM |
Moonrise:12:22 AM Moonset: 09:18 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Moderate rain |
3.9 ° C (39°F) |
16.8 ° C (62.3°F) |
11.4 ° C (52.5°F) |
% 86 | 88% | 3 | Sunrise:06:26 AM Sunset: 07:23 PM |
Moonrise:01:17 AM Moonset: 10:09 AM Moon Phase ( Waning Gibbous ) |
|
| 09 April 2026 Thursday | Sunny |
2.5 ° C (36.5°F) |
14 ° C (57.2°F) |
8.2 ° C (46.8°F) |
% 66 | 0% | 3 | Sunrise:06:25 AM Sunset: 07:24 PM |
Moonrise:02:04 AM Moonset: 11:07 AM Moon Phase ( Waning Gibbous ) |
|
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