Current weather conditions and 15 day weather forecast for Percy, 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.
| 15 May 2026 Friday 12.8 ° C / 55°F ![]() Clear |
Feels Like : 11.3 ° C / 52.4°F Humidity : % 66 Pressure : 1015 mb Wind Speed : 15.5 kmph / 9.6 miles from SSE ![]() Visibility : 16 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 May 2026 Friday | Patchy rain nearby |
12.3 ° C (54.1°F) |
30.5 ° C (86.9°F) |
20.1 ° C (68.2°F) |
% 60 | 78% | 8.3 | Sunrise:05:48 AM Sunset: 08:02 PM |
Moonrise:04:34 AM Moonset: 07:08 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Moderate rain |
18.8 ° C (65.8°F) |
27.6 ° C (81.7°F) |
22.8 ° C (73°F) |
% 80 | 71% | 6.3 | Sunrise:05:48 AM Sunset: 08:03 PM |
Moonrise:05:12 AM Moonset: 08:28 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Sunny |
18.3 ° C (65°F) |
28.8 ° C (83.9°F) |
23 ° C (73.4°F) |
% 73 | 0% | 8.8 | Sunrise:05:47 AM Sunset: 08:04 PM |
Moonrise:05:59 AM Moonset: 09:45 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
20.2 ° C (68.4°F) |
29.4 ° C (84.9°F) |
24.6 ° C (76.3°F) |
% 70 | 65% | 8.6 | Sunrise:05:46 AM Sunset: 08:05 PM |
Moonrise:06:57 AM Moonset: 10:54 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Moderate rain |
16.7 ° C (62.1°F) |
25.1 ° C (77.1°F) |
21.8 ° C (71.2°F) |
% 82 | 82% | 0.1 | Sunrise:05:45 AM Sunset: 08:06 PM |
Moonrise:08:06 AM Moonset: 11:51 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
16.7 ° C (62.1°F) |
21.1 ° C (69.9°F) |
18.5 ° C (65.2°F) |
% 86 | 82% | 4 | Sunrise:05:45 AM Sunset: 08:07 PM |
Moonrise:09:21 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
16.5 ° C (61.8°F) |
25.9 ° C (78.7°F) |
20.6 ° C (69°F) |
% 88 | 89% | 5 | Sunrise:05:44 AM Sunset: 08:07 PM |
Moonrise:10:36 AM Moonset: 12:36 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Mist |
12.1 ° C (53.8°F) |
20.1 ° C (68.1°F) |
15.9 ° C (60.6°F) |
% 78 | 0% | 4 | Sunrise:05:43 AM Sunset: 08:08 PM |
Moonrise:11:48 AM Moonset: 01:12 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Sunny |
9.6 ° C (49.3°F) |
22.3 ° C (72.2°F) |
15.9 ° C (60.6°F) |
% 70 | 0% | 5 | Sunrise:05:42 AM Sunset: 08:09 PM |
Moonrise:12:56 PM Moonset: 01:41 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Partly Cloudy |
9.6 ° C (49.2°F) |
21.3 ° C (70.3°F) |
15.4 ° C (59.8°F) |
% 71 | 0% | 5 | Sunrise:05:42 AM Sunset: 08:10 PM |
Moonrise:02:01 PM Moonset: 02:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Patchy rain nearby |
14 ° C (57.1°F) |
26.2 ° C (79.2°F) |
20.7 ° C (69.3°F) |
% 80 | 89% | 5 | Sunrise:05:41 AM Sunset: 08:11 PM |
Moonrise:03:03 PM Moonset: 02:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Moderate rain |
21 ° C (69.8°F) |
27.6 ° C (81.6°F) |
23.6 ° C (74.5°F) |
% 87 | 79% | 5 | Sunrise:05:41 AM Sunset: 08:11 PM |
Moonrise:04:04 PM Moonset: 02:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Sunny |
22.5 ° C (72.6°F) |
31.1 ° C (88°F) |
26.2 ° C (79.2°F) |
% 75 | 0% | 7 | Sunrise:05:40 AM Sunset: 08:12 PM |
Moonrise:05:05 PM Moonset: 03:15 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Patchy rain nearby |
22.6 ° C (72.7°F) |
34.2 ° C (93.6°F) |
27.8 ° C (82°F) |
% 69 | 85% | 6 | Sunrise:05:40 AM Sunset: 08:13 PM |
Moonrise:06:07 PM Moonset: 03:40 AM Moon Phase ( Waxing Gibbous ) |
|