Current weather conditions and 15 day weather forecast for Chapin, 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.
| 09 August 2026 Sunday 23.5 ° C / 74.3°F ![]() Clear |
Feels Like : 26.2 ° C / 79.2°F Humidity : % 90 Pressure : 1016 mb Wind Speed : 10.1 kmph / 6.3 miles from SSE ![]() Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 09 August 2026 Sunday | Sunny |
22.2 ° C (72°F) |
34.7 ° C (94.4°F) |
28.1 ° C (82.7°F) |
% 72 | 6% | 7.8 | Sunrise:06:08 AM Sunset: 08:06 PM |
Moonrise:01:43 AM Moonset: 05:52 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
23.4 ° C (74.1°F) |
37 ° C (98.6°F) |
30 ° C (86°F) |
% 58 | 4% | 7.9 | Sunrise:06:09 AM Sunset: 08:04 PM |
Moonrise:02:53 AM Moonset: 06:45 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
22.7 ° C (72.9°F) |
38.3 ° C (100.9°F) |
29.1 ° C (84.4°F) |
% 62 | 36% | 5.8 | Sunrise:06:10 AM Sunset: 08:03 PM |
Moonrise:04:12 AM Moonset: 07:28 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Sunny |
21.7 ° C (71.1°F) |
29.2 ° C (84.6°F) |
25.6 ° C (78.1°F) |
% 80 | 68% | 7 | Sunrise:06:10 AM Sunset: 08:02 PM |
Moonrise:05:33 AM Moonset: 08:02 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Partly Cloudy |
18.7 ° C (65.7°F) |
28.3 ° C (82.9°F) |
22.1 ° C (71.8°F) |
% 90 | 87% | 7 | Sunrise:06:11 AM Sunset: 08:01 PM |
Moonrise:06:54 AM Moonset: 08:32 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Patchy rain nearby |
18.5 ° C (65.3°F) |
24.1 ° C (75.4°F) |
20.9 ° C (69.7°F) |
% 91 | 86% | 5 | Sunrise:06:12 AM Sunset: 07:59 PM |
Moonrise:08:12 AM Moonset: 08:58 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Patchy rain nearby |
17.9 ° C (64.2°F) |
22.8 ° C (73°F) |
20 ° C (68°F) |
% 90 | 87% | 5 | Sunrise:06:13 AM Sunset: 07:58 PM |
Moonrise:09:27 AM Moonset: 09:23 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Patchy rain nearby |
17.7 ° C (63.9°F) |
24.3 ° C (75.7°F) |
20.7 ° C (69.3°F) |
% 91 | 86% | 5 | Sunrise:06:14 AM Sunset: 07:57 PM |
Moonrise:10:39 AM Moonset: 09:49 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Patchy rain nearby |
18.8 ° C (65.8°F) |
26.4 ° C (79.6°F) |
22.4 ° C (72.3°F) |
% 87 | 80% | 7 | Sunrise:06:15 AM Sunset: 07:55 PM |
Moonrise:11:51 AM Moonset: 10:16 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Partly Cloudy |
18.9 ° C (66°F) |
27.9 ° C (82.3°F) |
23.5 ° C (74.4°F) |
% 85 | 15% | 7 | Sunrise:06:16 AM Sunset: 07:54 PM |
Moonrise:01:01 PM Moonset: 10:47 PM Moon Phase ( First Quarter ) |
|
| 19 August 2026 Wednesday | Sunny |
17.2 ° C (63°F) |
28.8 ° C (83.8°F) |
22.7 ° C (72.8°F) |
% 84 | 13% | 7 | Sunrise:06:17 AM Sunset: 07:52 PM |
Moonrise:02:09 PM Moonset: 11:24 PM Moon Phase ( First Quarter ) |
|
| 20 August 2026 Thursday | Sunny |
13.5 ° C (56.3°F) |
23.6 ° C (74.4°F) |
17.8 ° C (64.1°F) |
% 74 | 8% | 6 | Sunrise:06:18 AM Sunset: 07:51 PM |
Moonrise:03:13 PM Moonset: Does not set today Moon Phase ( First Quarter ) |
|
| 21 August 2026 Friday | Partly Cloudy |
11.7 ° C (53.1°F) |
22.4 ° C (72.4°F) |
16.9 ° C (62.4°F) |
% 73 | 17% | 6 | Sunrise:06:19 AM Sunset: 07:50 PM |
Moonrise:04:12 PM Moonset: 12:07 AM Moon Phase ( First Quarter ) |
|
| 22 August 2026 Saturday | Partly Cloudy |
16.5 ° C (61.7°F) |
27 ° C (80.6°F) |
21.6 ° C (70.9°F) |
% 82 | 74% | 7 | Sunrise:06:20 AM Sunset: 07:48 PM |
Moonrise:05:02 PM Moonset: 12:57 AM Moon Phase ( Waxing Gibbous ) |
|