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
| 08 May 2026 Friday 11.1 ° C / 52°F  Overcast |
Feels Like : 9.5 ° C / 49°F Humidity : % 66 Pressure : 1011 mb Wind Speed : 13.3 kmph / 8.3 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
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 | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 08 May 2026 Friday |  Moderate rain |
9.7 ° C (49.5°F) |
21.4 ° C (70.5°F) |
14.6 ° C (58.2°F) |
% 73 | 91% | 6.5 | Sunrise:05:53 AM Sunset: 08:01 PM |
Moonrise:01:29 AM Moonset: 11:06 AM Moon Phase ( Waning Gibbous ) |
|
| 09 May 2026 Saturday |  Sunny |
11.1 ° C (51.9°F) |
23.2 ° C (73.7°F) |
17 ° C (62.6°F) |
% 71 | 0% | 7.9 | Sunrise:05:52 AM Sunset: 08:02 PM |
Moonrise:01:59 AM Moonset: 12:10 PM Moon Phase ( Last Quarter ) |
|
| 10 May 2026 Sunday | Moderate rain |
8.9 ° C (48°F) |
17.2 ° C (62.9°F) |
12.8 ° C (55°F) |
% 69 | 81% | 6.6 | Sunrise:05:51 AM Sunset: 08:03 PM |
Moonrise:02:26 AM Moonset: 01:16 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday |  Patchy rain nearby |
8.3 ° C (46.9°F) |
19.7 ° C (67.4°F) |
13.8 ° C (56.8°F) |
% 63 | 87% | 7.8 | Sunrise:05:50 AM Sunset: 08:04 PM |
Moonrise:02:50 AM Moonset: 02:21 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Patchy rain nearby |
9.2 ° C (48.6°F) |
22.2 ° C (71.9°F) |
14.1 ° C (57.3°F) |
% 76 | 69% | 0.3 | Sunrise:05:49 AM Sunset: 08:05 PM |
Moonrise:03:13 AM Moonset: 03:30 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Patchy rain nearby |
9.2 ° C (48.6°F) |
14.8 ° C (58.7°F) |
12.8 ° C (55°F) |
% 72 | 0% | 3 | Sunrise:05:48 AM Sunset: 08:06 PM |
Moonrise:03:37 AM Moonset: 04:40 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Sunny |
5.8 ° C (42.5°F) |
18.9 ° C (66.1°F) |
12.4 ° C (54.3°F) |
% 67 | 0% | 4 | Sunrise:05:47 AM Sunset: 08:07 PM |
Moonrise:04:02 AM Moonset: 05:55 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Patchy rain nearby |
11.4 ° C (52.6°F) |
22 ° C (71.6°F) |
16.8 ° C (62.2°F) |
% 82 | 80% | 4 | Sunrise:05:46 AM Sunset: 08:08 PM |
Moonrise:04:32 AM Moonset: 07:14 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday |  Cloudy |
16.7 ° C (62.1°F) |
26 ° C (78.8°F) |
20.8 ° C (69.5°F) |
% 83 | 0% | 5 | Sunrise:05:45 AM Sunset: 08:09 PM |
Moonrise:05:08 AM Moonset: 08:35 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
19.2 ° C (66.6°F) |
24.4 ° C (76°F) |
21.2 ° C (70.1°F) |
% 91 | 87% | 5 | Sunrise:05:44 AM Sunset: 08:10 PM |
Moonrise:05:54 AM Moonset: 09:53 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday |  Partly Cloudy |
19.9 ° C (67.9°F) |
28.2 ° C (82.8°F) |
23.4 ° C (74°F) |
% 81 | 0% | 6 | Sunrise:05:43 AM Sunset: 08:10 PM |
Moonrise:06:52 AM Moonset: 11:02 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
15.3 ° C (59.5°F) |
24.5 ° C (76.1°F) |
19.7 ° C (67.4°F) |
% 72 | 0% | 5 | Sunrise:05:43 AM Sunset: 08:11 PM |
Moonrise:08:01 AM Moonset: 11:58 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
13 ° C (55.3°F) |
25.4 ° C (77.8°F) |
19.1 ° C (66.3°F) |
% 70 | 77% | 4 | Sunrise:05:42 AM Sunset: 08:12 PM |
Moonrise:09:17 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
18.4 ° C (65.1°F) |
28.7 ° C (83.7°F) |
22.7 ° C (72.9°F) |
% 83 | 84% | 5 | Sunrise:05:41 AM Sunset: 08:13 PM |
Moonrise:10:33 AM Moonset: 12:42 AM Moon Phase ( Waxing Crescent ) |
|
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