Capital Weather Forecast 15 Days, Weather in Capital Today
Current weather conditions and 15 day weather forecast for Capital, 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 Capital
| 27 March 2026 Friday 2.8 ° C / 37°F  Partly cloudy |
Feels Like : -2.2 ° C / 28°F Humidity : % 75 Pressure : 1030 mb Wind Speed : 24.1 kmph / 15 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Capital, IL, USA
Weather Forecast for next 15 Days for Capital 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 Capital, 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 |  Moderate rain |
1.3 ° C (34.3°F) |
10.7 ° C (51.3°F) |
4.9 ° C (40.9°F) |
% 76 | 86% | 1.6 | Sunrise:06:50 AM Sunset: 07:18 PM |
Moonrise:01:40 PM Moonset: 04:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday |  Sunny |
-2.5 ° C (27.5°F) |
12.9 ° C (55.2°F) |
4.5 ° C (40°F) |
% 54 | 0% | 1.5 | Sunrise:06:49 AM Sunset: 07:19 PM |
Moonrise:02:52 PM Moonset: 04:41 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Overcast |
4.6 ° C (40.3°F) |
15 ° C (59°F) |
9.7 ° C (49.5°F) |
% 61 | 0% | 0.9 | Sunrise:06:47 AM Sunset: 07:20 PM |
Moonrise:04:02 PM Moonset: 05:10 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Overcast |
9 ° C (48.2°F) |
25.9 ° C (78.7°F) |
15.8 ° C (60.5°F) |
% 70 | 0% | 1.3 | Sunrise:06:46 AM Sunset: 07:21 PM |
Moonrise:05:10 PM Moonset: 05:35 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Moderate rain |
12.6 ° C (54.6°F) |
28.3 ° C (83°F) |
21.6 ° C (70.9°F) |
% 63 | 63% | 0 | Sunrise:06:44 AM Sunset: 07:22 PM |
Moonrise:06:15 PM Moonset: 05:57 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Moderate rain |
6.7 ° C (44.1°F) |
11.9 ° C (53.5°F) |
9.4 ° C (48.9°F) |
% 64 | 58% | 2 | Sunrise:06:42 AM Sunset: 07:23 PM |
Moonrise:07:19 PM Moonset: 06:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday |  Patchy rain nearby |
4.1 ° C (39.3°F) |
9.7 ° C (49.5°F) |
6.2 ° C (43.1°F) |
% 69 | 89% | 2 | Sunrise:06:41 AM Sunset: 07:24 PM |
Moonrise:08:22 PM Moonset: 06:40 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Overcast |
4.8 ° C (40.7°F) |
12 ° C (53.6°F) |
8 ° C (46.4°F) |
% 84 | 0% | 2 | Sunrise:06:39 AM Sunset: 07:25 PM |
Moonrise:09:27 PM Moonset: 07:04 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Patchy rain nearby |
7.2 ° C (45°F) |
12.6 ° C (54.7°F) |
9.8 ° C (49.6°F) |
% 64 | 78% | 2 | Sunrise:06:38 AM Sunset: 07:26 PM |
Moonrise:10:30 PM Moonset: 07:30 AM Moon Phase ( Waning Gibbous ) |
|
| 05 April 2026 Sunday | Sunny |
2.5 ° C (36.5°F) |
12 ° C (53.7°F) |
7.4 ° C (45.4°F) |
% 46 | 0% | 3 | Sunrise:06:36 AM Sunset: 07:27 PM |
Moonrise:11:34 PM Moonset: 08:00 AM Moon Phase ( Waning Gibbous ) |
|
| 06 April 2026 Monday | Partly Cloudy |
6.1 ° C (43°F) |
11.6 ° C (52.9°F) |
8.8 ° C (47.8°F) |
% 65 | 0% | 3 | Sunrise:06:34 AM Sunset: 07:28 PM |
Moonrise:No moonrise Moonset: 08:36 AM Moon Phase ( Waning Gibbous ) |
|
| 07 April 2026 Tuesday | Moderate rain |
10.5 ° C (50.9°F) |
18 ° C (64.3°F) |
15.1 ° C (59.1°F) |
% 92 | 88% | 4 | Sunrise:06:33 AM Sunset: 07:29 PM |
Moonrise:12:33 AM Moonset: 09:20 AM Moon Phase ( Waning Gibbous ) |
|
| 08 April 2026 Wednesday | Patchy rain nearby |
3.8 ° C (38.9°F) |
7.9 ° C (46.1°F) |
6.1 ° C (43.1°F) |
% 71 | 0% | 2 | Sunrise:06:31 AM Sunset: 07:30 PM |
Moonrise:01:28 AM Moonset: 10:11 AM Moon Phase ( Waning Gibbous ) |
|
| 09 April 2026 Thursday | Sunny |
-0.2 ° C (31.6°F) |
12.1 ° C (53.8°F) |
5.7 ° C (42.3°F) |
% 63 | 0% | 3 | Sunrise:06:30 AM Sunset: 07:31 PM |
Moonrise:02:15 AM Moonset: 11:09 AM Moon Phase ( Waning Gibbous ) |
|
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