Island Grove Weather Forecast 15 Days, Weather in Island Grove Today
Current weather conditions and 15 day weather forecast for Island Grove, 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 Island Grove
| 18 August 2025 Monday 25.1 ° C / 77.2°F  Mist |
Feels Like : 28.5 ° C / 83.3°F Humidity : % 94 Pressure : 1016 mb Wind Speed : 6.1 kmph / 3.8 miles from SE  Visibility : 14 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Island Grove, IL, USA
Weather Forecast for next 15 Days for Island Grove 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 Island Grove, Illinois state, US. To see the daily forecast, scroll to the table below.
| Date | |
|---|---|
| 18 August 2025 Monday | |
| Weather forecast |  Moderate rain |
| Low temperature | 22.8 ° C (73°F) |
| High temperature | 35.5 ° C (95.9°F) |
| Avg. temperature | 28.9 ° C (84°F) |
| Humidity | % 78 |
| Chance of rain | 62% |
| UV Index | 2.2 |
| Sun Position | Sunrise:06:14 AM Sunset: 07:50 PM |
| Moon Position | Moonrise:12:50 AM Moonset: 05:03 PM Moon Phase ( Waning Crescent ) |
| 19 August 2025 Tuesday | |
| Weather forecast | Moderate rain |
| Low temperature | 24.1 ° C (75.4°F) |
| High temperature | 34.9 ° C (94.8°F) |
| Avg. temperature | 28.3 ° C (82.9°F) |
| Humidity | % 84 |
| Chance of rain | 88% |
| UV Index | 2.2 |
| Sun Position | Sunrise:06:15 AM Sunset: 07:49 PM |
| Moon Position | Moonrise:01:53 AM Moonset: 05:57 PM Moon Phase ( Waning Crescent ) |
| 20 August 2025 Wednesday | |
| Weather forecast |  Overcast |
| Low temperature | 21.2 ° C (70.2°F) |
| High temperature | 27.2 ° C (81°F) |
| Avg. temperature | 24 ° C (75.1°F) |
| Humidity | % 85 |
| Chance of rain | 0% |
| UV Index | 1.6 |
| Sun Position | Sunrise:06:16 AM Sunset: 07:48 PM |
| Moon Position | Moonrise:03:03 AM Moonset: 06:39 PM Moon Phase ( Waning Crescent ) |
| 21 August 2025 Thursday | |
| Weather forecast |  Partly Cloudy |
| Low temperature | 15.2 ° C (59.3°F) |
| High temperature | 28.2 ° C (82.8°F) |
| Avg. temperature | 21.8 ° C (71.3°F) |
| Humidity | % 78 |
| Chance of rain | 0% |
| UV Index | 2 |
| Sun Position | Sunrise:06:17 AM Sunset: 07:46 PM |
| Moon Position | Moonrise:04:16 AM Moonset: 07:14 PM Moon Phase ( Waning Crescent ) |
| 22 August 2025 Friday | |
| Weather forecast |  Sunny |
| Low temperature | 17 ° C (62.5°F) |
| High temperature | 29.3 ° C (84.8°F) |
| Avg. temperature | 21.5 ° C (70.7°F) |
| Humidity | % 78 |
| Chance of rain | 0% |
| UV Index | 0 |
| Sun Position | Sunrise:06:18 AM Sunset: 07:45 PM |
| Moon Position | Moonrise:05:27 AM Moonset: 07:41 PM Moon Phase ( Waning Crescent ) |
| 23 August 2025 Saturday | |
| Weather forecast | Sunny |
| Low temperature | 19 ° C (66.2°F) |
| High temperature | 28.9 ° C (83.9°F) |
| Avg. temperature | 23.2 ° C (73.8°F) |
| Humidity | % 65 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:19 AM Sunset: 07:43 PM |
| Moon Position | Moonrise:06:35 AM Moonset: 08:05 PM Moon Phase ( New Moon ) |
| 24 August 2025 Sunday | |
| Weather forecast | Sunny |
| Low temperature | 11.9 ° C (53.5°F) |
| High temperature | 22.9 ° C (73.2°F) |
| Avg. temperature | 16.7 ° C (62°F) |
| Humidity | % 68 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:20 AM Sunset: 07:42 PM |
| Moon Position | Moonrise:07:41 AM Moonset: 08:26 PM Moon Phase ( Waxing Crescent ) |
| 25 August 2025 Monday | |
| Weather forecast | Sunny |
| Low temperature | 9 ° C (48.2°F) |
| High temperature | 23 ° C (73.5°F) |
| Avg. temperature | 15.4 ° C (59.8°F) |
| Humidity | % 65 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:20 AM Sunset: 07:40 PM |
| Moon Position | Moonrise:08:43 AM Moonset: 08:46 PM Moon Phase ( Waxing Crescent ) |
| 26 August 2025 Tuesday | |
| Weather forecast | Sunny |
| Low temperature | 10.4 ° C (50.7°F) |
| High temperature | 24.2 ° C (75.5°F) |
| Avg. temperature | 16.9 ° C (62.4°F) |
| Humidity | % 66 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:21 AM Sunset: 07:39 PM |
| Moon Position | Moonrise:09:45 AM Moonset: 09:07 PM Moon Phase ( Waxing Crescent ) |
| 27 August 2025 Wednesday | |
| Weather forecast | Sunny |
| Low temperature | 11 ° C (51.7°F) |
| High temperature | 24.9 ° C (76.8°F) |
| Avg. temperature | 17.7 ° C (63.8°F) |
| Humidity | % 61 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:22 AM Sunset: 07:37 PM |
| Moon Position | Moonrise:10:46 AM Moonset: 09:29 PM Moon Phase ( Waxing Crescent ) |
| 28 August 2025 Thursday | |
| Weather forecast | Sunny |
| Low temperature | 13 ° C (55.3°F) |
| High temperature | 28.2 ° C (82.8°F) |
| Avg. temperature | 19.8 ° C (67.6°F) |
| Humidity | % 57 |
| Chance of rain | 0% |
| UV Index | 5 |
| Sun Position | Sunrise:06:23 AM Sunset: 07:36 PM |
| Moon Position | Moonrise:11:48 AM Moonset: 09:54 PM Moon Phase ( Waxing Crescent ) |
| 29 August 2025 Friday | |
| Weather forecast | Sunny |
| Low temperature | 14.7 ° C (58.5°F) |
| High temperature | 29.6 ° C (85.3°F) |
| Avg. temperature | 21.4 ° C (70.5°F) |
| Humidity | % 55 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:24 AM Sunset: 07:34 PM |
| Moon Position | Moonrise:12:51 PM Moonset: 10:22 PM Moon Phase ( Waxing Crescent ) |
| 30 August 2025 Saturday | |
| Weather forecast | Sunny |
| Low temperature | 16 ° C (60.8°F) |
| High temperature | 32.1 ° C (89.8°F) |
| Avg. temperature | 24 ° C (75.2°F) |
| Humidity | % 52 |
| Chance of rain | 0% |
| UV Index | 6 |
| Sun Position | Sunrise:06:25 AM Sunset: 07:33 PM |
| Moon Position | Moonrise:01:53 PM Moonset: 10:58 PM Moon Phase ( Waxing Crescent ) |
| 31 August 2025 Sunday | |
| Weather forecast | Sunny |
| Low temperature | 18.3 ° C (65°F) |
| High temperature | 37.3 ° C (99.1°F) |
| Avg. temperature | 27.5 ° C (81.4°F) |
| Humidity | % 47 |
| Chance of rain | 0% |
| UV Index | 7 |
| Sun Position | Sunrise:06:26 AM Sunset: 07:31 PM |
| Moon Position | Moonrise:02:54 PM Moonset: 11:41 PM Moon Phase ( First Quarter ) |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 August 2025 Monday | Moderate rain |
22.8 ° C (73°F) |
35.5 ° C (95.9°F) |
28.9 ° C (84°F) |
% 78 | 62% | 2.2 | Sunrise:06:14 AM Sunset: 07:50 PM |
Moonrise:12:50 AM Moonset: 05:03 PM Moon Phase ( Waning Crescent ) |
|
| 19 August 2025 Tuesday | Moderate rain |
24.1 ° C (75.4°F) |
34.9 ° C (94.8°F) |
28.3 ° C (82.9°F) |
% 84 | 88% | 2.2 | Sunrise:06:15 AM Sunset: 07:49 PM |
Moonrise:01:53 AM Moonset: 05:57 PM Moon Phase ( Waning Crescent ) |
|
| 20 August 2025 Wednesday | Overcast |
21.2 ° C (70.2°F) |
27.2 ° C (81°F) |
24 ° C (75.1°F) |
% 85 | 0% | 1.6 | Sunrise:06:16 AM Sunset: 07:48 PM |
Moonrise:03:03 AM Moonset: 06:39 PM Moon Phase ( Waning Crescent ) |
|
| 21 August 2025 Thursday | Partly Cloudy |
15.2 ° C (59.3°F) |
28.2 ° C (82.8°F) |
21.8 ° C (71.3°F) |
% 78 | 0% | 2 | Sunrise:06:17 AM Sunset: 07:46 PM |
Moonrise:04:16 AM Moonset: 07:14 PM Moon Phase ( Waning Crescent ) |
|
| 22 August 2025 Friday | Sunny |
17 ° C (62.5°F) |
29.3 ° C (84.8°F) |
21.5 ° C (70.7°F) |
% 78 | 0% | 0 | Sunrise:06:18 AM Sunset: 07:45 PM |
Moonrise:05:27 AM Moonset: 07:41 PM Moon Phase ( Waning Crescent ) |
|
| 23 August 2025 Saturday | Sunny |
19 ° C (66.2°F) |
28.9 ° C (83.9°F) |
23.2 ° C (73.8°F) |
% 65 | 0% | 6 | Sunrise:06:19 AM Sunset: 07:43 PM |
Moonrise:06:35 AM Moonset: 08:05 PM Moon Phase ( New Moon ) |
|
| 24 August 2025 Sunday | Sunny |
11.9 ° C (53.5°F) |
22.9 ° C (73.2°F) |
16.7 ° C (62°F) |
% 68 | 0% | 5 | Sunrise:06:20 AM Sunset: 07:42 PM |
Moonrise:07:41 AM Moonset: 08:26 PM Moon Phase ( Waxing Crescent ) |
|
| 25 August 2025 Monday | Sunny |
9 ° C (48.2°F) |
23 ° C (73.5°F) |
15.4 ° C (59.8°F) |
% 65 | 0% | 5 | Sunrise:06:20 AM Sunset: 07:40 PM |
Moonrise:08:43 AM Moonset: 08:46 PM Moon Phase ( Waxing Crescent ) |
|
| 26 August 2025 Tuesday | Sunny |
10.4 ° C (50.7°F) |
24.2 ° C (75.5°F) |
16.9 ° C (62.4°F) |
% 66 | 0% | 5 | Sunrise:06:21 AM Sunset: 07:39 PM |
Moonrise:09:45 AM Moonset: 09:07 PM Moon Phase ( Waxing Crescent ) |
|
| 27 August 2025 Wednesday | Sunny |
11 ° C (51.7°F) |
24.9 ° C (76.8°F) |
17.7 ° C (63.8°F) |
% 61 | 0% | 5 | Sunrise:06:22 AM Sunset: 07:37 PM |
Moonrise:10:46 AM Moonset: 09:29 PM Moon Phase ( Waxing Crescent ) |
|
| 28 August 2025 Thursday | Sunny |
13 ° C (55.3°F) |
28.2 ° C (82.8°F) |
19.8 ° C (67.6°F) |
% 57 | 0% | 5 | Sunrise:06:23 AM Sunset: 07:36 PM |
Moonrise:11:48 AM Moonset: 09:54 PM Moon Phase ( Waxing Crescent ) |
|
| 29 August 2025 Friday | Sunny |
14.7 ° C (58.5°F) |
29.6 ° C (85.3°F) |
21.4 ° C (70.5°F) |
% 55 | 0% | 6 | Sunrise:06:24 AM Sunset: 07:34 PM |
Moonrise:12:51 PM Moonset: 10:22 PM Moon Phase ( Waxing Crescent ) |
|
| 30 August 2025 Saturday | Sunny |
16 ° C (60.8°F) |
32.1 ° C (89.8°F) |
24 ° C (75.2°F) |
% 52 | 0% | 6 | Sunrise:06:25 AM Sunset: 07:33 PM |
Moonrise:01:53 PM Moonset: 10:58 PM Moon Phase ( Waxing Crescent ) |
|
| 31 August 2025 Sunday | Sunny |
18.3 ° C (65°F) |
37.3 ° C (99.1°F) |
27.5 ° C (81.4°F) |
% 47 | 0% | 7 | Sunrise:06:26 AM Sunset: 07:31 PM |
Moonrise:02:54 PM Moonset: 11:41 PM Moon Phase ( First Quarter ) |
|
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