Sumpter Weather Forecast 15 Days, Weather in Sumpter Today
Current weather conditions and 15 day weather forecast for Sumpter, 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 Sumpter
| 05 August 2026 Wednesday 15.6 ° C / 60.1°F  Fog |
Feels Like : 16.3 ° C / 61.3°F Humidity : % 99 Pressure : 1016 mb Wind Speed : 5.4 kmph / 3.4 miles from S  Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Sumpter, IL, USA
Weather Forecast for next 15 Days for Sumpter 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 Sumpter, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 05 August 2026 Wednesday |  Sunny |
14.8 ° C (58.6°F) |
31.8 ° C (89.2°F) |
23.8 ° C (74.8°F) |
% 70 | 17% | 9.3 | Sunrise:05:56 AM Sunset: 08:01 PM |
Moonrise:11:16 PM Moonset: 01:08 PM Moon Phase ( Last Quarter ) |
|
| 06 August 2026 Thursday |  Patchy rain nearby |
19.9 ° C (67.9°F) |
26.8 ° C (80.3°F) |
22.6 ° C (72.7°F) |
% 87 | 82% | 5.5 | Sunrise:05:57 AM Sunset: 08:00 PM |
Moonrise:11:52 PM Moonset: 02:17 PM Moon Phase ( Last Quarter ) |
|
| 07 August 2026 Friday | Patchy rain nearby |
20.5 ° C (68.8°F) |
29.2 ° C (84.5°F) |
23.6 ° C (74.5°F) |
% 89 | 85% | 7 | Sunrise:05:58 AM Sunset: 07:58 PM |
Moonrise:Does not rise today Moonset: 03:29 PM Moon Phase ( Waning Crescent ) |
|
| 08 August 2026 Saturday | Sunny |
18.8 ° C (65.8°F) |
30.1 ° C (86.1°F) |
24.3 ° C (75.7°F) |
% 84 | 47% | 8 | Sunrise:05:59 AM Sunset: 07:57 PM |
Moonrise:12:38 AM Moonset: 04:38 PM Moon Phase ( Waning Crescent ) |
|
| 09 August 2026 Sunday | Sunny |
22.5 ° C (72.6°F) |
32.5 ° C (90.5°F) |
27 ° C (80.7°F) |
% 77 | 8% | 8 | Sunrise:06:00 AM Sunset: 07:56 PM |
Moonrise:01:36 AM Moonset: 05:41 PM Moon Phase ( Waning Crescent ) |
|
| 10 August 2026 Monday | Sunny |
22.8 ° C (73.1°F) |
32.4 ° C (90.3°F) |
27.5 ° C (81.5°F) |
% 75 | 7% | 8 | Sunrise:06:01 AM Sunset: 07:55 PM |
Moonrise:02:46 AM Moonset: 06:34 PM Moon Phase ( New Moon ) |
|
| 11 August 2026 Tuesday | Sunny |
21.9 ° C (71.4°F) |
31.9 ° C (89.4°F) |
27.1 ° C (80.7°F) |
% 75 | 66% | 8 | Sunrise:06:02 AM Sunset: 07:54 PM |
Moonrise:04:04 AM Moonset: 07:17 PM Moon Phase ( New Moon ) |
|
| 12 August 2026 Wednesday | Patchy rain nearby |
16.6 ° C (61.9°F) |
25.6 ° C (78.1°F) |
21.9 ° C (71.3°F) |
% 81 | 65% | 6 | Sunrise:06:03 AM Sunset: 07:52 PM |
Moonrise:05:26 AM Moonset: 07:53 PM Moon Phase ( New Moon ) |
|
| 13 August 2026 Thursday | Sunny |
12.9 ° C (55.3°F) |
23.7 ° C (74.6°F) |
18 ° C (64.4°F) |
% 75 | 7% | 6 | Sunrise:06:04 AM Sunset: 07:51 PM |
Moonrise:06:46 AM Moonset: 08:23 PM Moon Phase ( New Moon ) |
|
| 14 August 2026 Friday | Sunny |
13.9 ° C (57.1°F) |
24.2 ° C (75.5°F) |
19 ° C (66.2°F) |
% 76 | 9% | 6 | Sunrise:06:05 AM Sunset: 07:50 PM |
Moonrise:08:03 AM Moonset: 08:49 PM Moon Phase ( Waxing Crescent ) |
|
| 15 August 2026 Saturday | Sunny |
14.6 ° C (58.3°F) |
25.7 ° C (78.2°F) |
19.7 ° C (67.4°F) |
% 77 | 9% | 7 | Sunrise:06:06 AM Sunset: 07:48 PM |
Moonrise:09:17 AM Moonset: 09:15 PM Moon Phase ( Waxing Crescent ) |
|
| 16 August 2026 Sunday | Sunny |
15 ° C (59°F) |
26.3 ° C (79.3°F) |
20 ° C (68°F) |
% 78 | 9% | 7 | Sunrise:06:06 AM Sunset: 07:47 PM |
Moonrise:10:30 AM Moonset: 09:41 PM Moon Phase ( Waxing Crescent ) |
|
| 17 August 2026 Monday | Sunny |
14.6 ° C (58.2°F) |
27 ° C (80.6°F) |
20.3 ° C (68.6°F) |
% 74 | 7% | 7 | Sunrise:06:07 AM Sunset: 07:46 PM |
Moonrise:11:41 AM Moonset: 10:08 PM Moon Phase ( Waxing Crescent ) |
|
| 18 August 2026 Tuesday | Sunny |
17.8 ° C (64°F) |
32.8 ° C (91.1°F) |
25.4 ° C (77.7°F) |
% 69 | 5% | 8 | Sunrise:06:08 AM Sunset: 07:44 PM |
Moonrise:12:51 PM Moonset: 10:40 PM Moon Phase ( First Quarter ) |
|
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