Current weather conditions and 15 day weather forecast for Island Lake, 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 11.7 ° C / 53.1°F ![]() Overcast |
Feels Like : 9.7 ° C / 49.5°F Humidity : % 63 Pressure : 1015 mb Wind Speed : 17.6 kmph / 11 miles from S ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
| 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 |
10.5 ° C (50.9°F) |
26.3 ° C (79.3°F) |
16.7 ° C (62°F) |
% 63 | 87% | 7.9 | Sunrise:05:32 AM Sunset: 08:07 PM |
Moonrise:04:19 AM Moonset: 07:14 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Moderate rain |
16 ° C (60.9°F) |
27 ° C (80.5°F) |
21.1 ° C (70.1°F) |
% 83 | 87% | 8.1 | Sunrise:05:31 AM Sunset: 08:08 PM |
Moonrise:04:53 AM Moonset: 08:37 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Moderate rain |
17.4 ° C (63.4°F) |
26.3 ° C (79.4°F) |
21.4 ° C (70.6°F) |
% 84 | 86% | 7.6 | Sunrise:05:30 AM Sunset: 08:09 PM |
Moonrise:05:37 AM Moonset: 09:57 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Moderate rain |
19.2 ° C (66.6°F) |
24.8 ° C (76.6°F) |
21.2 ° C (70.2°F) |
% 80 | 81% | 6.9 | Sunrise:05:29 AM Sunset: 08:10 PM |
Moonrise:06:33 AM Moonset: 11:06 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Moderate rain |
11.3 ° C (52.3°F) |
20.2 ° C (68.4°F) |
17.1 ° C (62.8°F) |
% 82 | 78% | 0.4 | Sunrise:05:28 AM Sunset: 08:11 PM |
Moonrise:07:43 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Partly Cloudy |
8 ° C (46.3°F) |
18 ° C (64.3°F) |
12.7 ° C (54.9°F) |
% 61 | 0% | 4 | Sunrise:05:27 AM Sunset: 08:12 PM |
Moonrise:09:00 AM Moonset: 12:01 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
8.2 ° C (46.8°F) |
10.9 ° C (51.6°F) |
10.2 ° C (50.4°F) |
% 90 | 88% | 3 | Sunrise:05:27 AM Sunset: 08:13 PM |
Moonrise:10:18 AM Moonset: 12:43 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Partly Cloudy |
7.2 ° C (44.9°F) |
15.6 ° C (60.1°F) |
11.3 ° C (52.3°F) |
% 74 | 0% | 4 | Sunrise:05:26 AM Sunset: 08:14 PM |
Moonrise:11:34 AM Moonset: 01:16 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Partly Cloudy |
5.8 ° C (42.5°F) |
14.8 ° C (58.6°F) |
10.4 ° C (50.7°F) |
% 75 | 0% | 4 | Sunrise:05:25 AM Sunset: 08:15 PM |
Moonrise:12:45 PM Moonset: 01:41 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
4.9 ° C (40.8°F) |
18.4 ° C (65.2°F) |
12.2 ° C (53.9°F) |
% 69 | 0% | 4 | Sunrise:05:24 AM Sunset: 08:16 PM |
Moonrise:01:53 PM Moonset: 02:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Cloudy |
11.8 ° C (53.2°F) |
24.3 ° C (75.7°F) |
17.7 ° C (63.8°F) |
% 76 | 0% | 4 | Sunrise:05:23 AM Sunset: 08:17 PM |
Moonrise:02:59 PM Moonset: 02:23 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Patchy rain nearby |
18.9 ° C (66°F) |
25 ° C (77°F) |
21.8 ° C (71.2°F) |
% 87 | 87% | 5 | Sunrise:05:23 AM Sunset: 08:18 PM |
Moonrise:04:03 PM Moonset: 02:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Moderate rain |
21.1 ° C (70.1°F) |
24.2 ° C (75.6°F) |
22.7 ° C (72.9°F) |
% 93 | 89% | 5 | Sunrise:05:22 AM Sunset: 08:19 PM |
Moonrise:05:07 PM Moonset: 03:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Patchy rain nearby |
18.9 ° C (66°F) |
26.2 ° C (79.2°F) |
22.9 ° C (73.3°F) |
% 86 | 86% | 5 | Sunrise:05:22 AM Sunset: 08:20 PM |
Moonrise:06:12 PM Moonset: 03:25 AM Moon Phase ( Waxing Gibbous ) |
|