South Jacksonville Weather Forecast 15 Days, Weather in South Jacksonville Today
Current weather conditions and 15 day weather forecast for South Jacksonville, 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 South Jacksonville
| 27 June 2026 Saturday 25.1 ° C / 77.2°F  Overcast |
Feels Like : 26.9 ° C / 80.5°F Humidity : % 83 Pressure : 1013 mb Wind Speed : 8.3 kmph / 5.1 miles from NNE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for South Jacksonville, IL, USA
Weather Forecast for next 15 Days for South Jacksonville 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 South Jacksonville, 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 June 2026 Saturday |  Patchy rain nearby |
19.5 ° C (67.1°F) |
28.7 ° C (83.7°F) |
23.7 ° C (74.6°F) |
% 87 | 70% | 6.5 | Sunrise:05:35 AM Sunset: 08:32 PM |
Moonrise:07:25 PM Moonset: 03:26 AM Moon Phase ( Full Moon ) |
|
| 28 June 2026 Sunday |  Moderate rain |
21.3 ° C (70.4°F) |
32.1 ° C (89.7°F) |
26.6 ° C (79.8°F) |
% 85 | 76% | 10.3 | Sunrise:05:35 AM Sunset: 08:32 PM |
Moonrise:08:18 PM Moonset: 04:14 AM Moon Phase ( Full Moon ) |
|
| 29 June 2026 Monday |  Sunny |
22.7 ° C (72.8°F) |
33 ° C (91.4°F) |
27.3 ° C (81.1°F) |
% 78 | 9% | 10.3 | Sunrise:05:35 AM Sunset: 08:32 PM |
Moonrise:09:04 PM Moonset: 05:08 AM Moon Phase ( Full Moon ) |
|
| 30 June 2026 Tuesday | Sunny |
22.5 ° C (72.5°F) |
33.4 ° C (92°F) |
27.8 ° C (82°F) |
% 77 | 8% | 10.5 | Sunrise:05:36 AM Sunset: 08:32 PM |
Moonrise:09:42 PM Moonset: 06:07 AM Moon Phase ( Full Moon ) |
|
| 01 July 2026 Wednesday | Patchy rain nearby |
23.1 ° C (73.7°F) |
33.2 ° C (91.7°F) |
27.2 ° C (81°F) |
% 77 | 57% | 0.5 | Sunrise:05:36 AM Sunset: 08:32 PM |
Moonrise:10:13 PM Moonset: 07:09 AM Moon Phase ( Waning Gibbous ) |
|
| 02 July 2026 Thursday | Sunny |
23.2 ° C (73.8°F) |
33.2 ° C (91.8°F) |
26.9 ° C (80.4°F) |
% 81 | 12% | 7 | Sunrise:05:37 AM Sunset: 08:32 PM |
Moonrise:10:39 PM Moonset: 08:11 AM Moon Phase ( Waning Gibbous ) |
|
| 03 July 2026 Friday | Sunny |
23.7 ° C (74.6°F) |
31.7 ° C (89.1°F) |
27.4 ° C (81.3°F) |
% 79 | 12% | 7 | Sunrise:05:37 AM Sunset: 08:32 PM |
Moonrise:11:02 PM Moonset: 09:12 AM Moon Phase ( Waning Gibbous ) |
|
| 04 July 2026 Saturday |  Partly Cloudy |
23.3 ° C (74°F) |
31.3 ° C (88.4°F) |
27.2 ° C (81°F) |
% 77 | 11% | 7 | Sunrise:05:38 AM Sunset: 08:32 PM |
Moonrise:11:23 PM Moonset: 10:13 AM Moon Phase ( Waning Gibbous ) |
|
| 05 July 2026 Sunday | Patchy rain nearby |
23.7 ° C (74.6°F) |
31.8 ° C (89.2°F) |
27.2 ° C (81°F) |
% 76 | 57% | 6 | Sunrise:05:38 AM Sunset: 08:32 PM |
Moonrise:11:43 PM Moonset: 11:13 AM Moon Phase ( Last Quarter ) |
|
| 06 July 2026 Monday | Patchy rain nearby |
22.7 ° C (72.9°F) |
32 ° C (89.5°F) |
26.8 ° C (80.2°F) |
% 80 | 46% | 6 | Sunrise:05:39 AM Sunset: 08:31 PM |
Moonrise:Does not rise today Moonset: 12:13 PM Moon Phase ( Last Quarter ) |
|
| 07 July 2026 Tuesday | Patchy rain nearby |
20.6 ° C (69°F) |
31.3 ° C (88.3°F) |
25.5 ° C (78°F) |
% 81 | 69% | 6 | Sunrise:05:40 AM Sunset: 08:31 PM |
Moonrise:12:04 AM Moonset: 01:16 PM Moon Phase ( Last Quarter ) |
|
| 08 July 2026 Wednesday | Patchy rain nearby |
22 ° C (71.6°F) |
30.9 ° C (87.6°F) |
25.9 ° C (78.7°F) |
% 83 | 31% | 6 | Sunrise:05:40 AM Sunset: 08:31 PM |
Moonrise:12:27 AM Moonset: 02:22 PM Moon Phase ( Waning Crescent ) |
|
| 09 July 2026 Thursday | Partly Cloudy |
20.9 ° C (69.7°F) |
28.7 ° C (83.6°F) |
24.6 ° C (76.2°F) |
% 80 | 15% | 6 | Sunrise:05:41 AM Sunset: 08:30 PM |
Moonrise:12:53 AM Moonset: 03:32 PM Moon Phase ( Waning Crescent ) |
|
| 10 July 2026 Friday | Sunny |
17.7 ° C (63.8°F) |
25.6 ° C (78.1°F) |
21.3 ° C (70.3°F) |
% 79 | 9% | 6 | Sunrise:05:42 AM Sunset: 08:30 PM |
Moonrise:01:25 AM Moonset: 04:45 PM Moon Phase ( Waning Crescent ) |
|
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