Lake Forest Weather Forecast 15 Days, Weather in Lake Forest Today
Current weather conditions and 15 day weather forecast for Lake Forest, 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 Lake Forest
| 16 April 2026 Thursday 22.2 ° C / 72°F  Overcast |
Feels Like : 24.6 ° C / 76.3°F Humidity : % 76 Pressure : 1007 mb Wind Speed : 21.6 kmph / 13.4 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Lake Forest, IL, USA
Weather Forecast for next 15 Days for Lake Forest 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 Lake Forest, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 April 2026 Wednesday |  Moderate rain |
11.7 ° C (53.1°F) |
22.4 ° C (72.3°F) |
17.5 ° C (63.4°F) |
% 86 | 85% | 1.1 | Sunrise:06:10 AM Sunset: 07:33 PM |
Moonrise:05:04 AM Moonset: 05:44 PM Moon Phase ( Waning Crescent ) |
|
| 16 April 2026 Thursday | Moderate rain |
7.1 ° C (44.8°F) |
16 ° C (60.8°F) |
12.7 ° C (54.8°F) |
% 93 | 83% | 1.2 | Sunrise:06:09 AM Sunset: 07:34 PM |
Moonrise:05:27 AM Moonset: 07:00 PM Moon Phase ( Waning Crescent ) |
|
| 17 April 2026 Friday | Overcast |
6.3 ° C (43.3°F) |
20.1 ° C (68.1°F) |
12.3 ° C (54.1°F) |
% 88 | 0% | 1.5 | Sunrise:06:07 AM Sunset: 07:35 PM |
Moonrise:05:52 AM Moonset: 08:20 PM Moon Phase ( New Moon ) |
|
| 18 April 2026 Saturday |  Heavy rain |
4.3 ° C (39.7°F) |
8.4 ° C (47.1°F) |
8.3 ° C (46.9°F) |
% 75 | 89% | 1.7 | Sunrise:06:06 AM Sunset: 07:36 PM |
Moonrise:06:21 AM Moonset: 09:43 PM Moon Phase ( Waxing Crescent ) |
|
| 19 April 2026 Sunday |  Sunny |
2.7 ° C (36.9°F) |
7.8 ° C (46.1°F) |
5.5 ° C (41.9°F) |
% 44 | 0% | 1.4 | Sunrise:06:04 AM Sunset: 07:38 PM |
Moonrise:06:59 AM Moonset: 11:03 PM Moon Phase ( Waxing Crescent ) |
|
| 20 April 2026 Monday | Sunny |
3.8 ° C (38.9°F) |
12.4 ° C (54.3°F) |
6.9 ° C (44.5°F) |
% 50 | 0% | 0 | Sunrise:06:03 AM Sunset: 07:39 PM |
Moonrise:07:48 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 April 2026 Tuesday |  Partly Cloudy |
12.1 ° C (53.8°F) |
18 ° C (64.4°F) |
14.5 ° C (58°F) |
% 58 | 0% | 4 | Sunrise:06:01 AM Sunset: 07:40 PM |
Moonrise:08:48 AM Moonset: 12:17 AM Moon Phase ( Waxing Crescent ) |
|
| 22 April 2026 Wednesday | Sunny |
4.2 ° C (39.5°F) |
9.8 ° C (49.6°F) |
7.9 ° C (46.2°F) |
% 60 | 0% | 3 | Sunrise:06:00 AM Sunset: 07:41 PM |
Moonrise:09:59 AM Moonset: 01:18 AM Moon Phase ( Waxing Crescent ) |
|
| 23 April 2026 Thursday | Sunny |
2.5 ° C (36.5°F) |
5.8 ° C (42.5°F) |
3.9 ° C (39°F) |
% 67 | 0% | 2 | Sunrise:05:58 AM Sunset: 07:42 PM |
Moonrise:11:14 AM Moonset: 02:06 AM Moon Phase ( Waxing Crescent ) |
|
| 24 April 2026 Friday | Overcast |
3.5 ° C (38.2°F) |
6.2 ° C (43.2°F) |
4.4 ° C (39.9°F) |
% 68 | 0% | 1 | Sunrise:05:57 AM Sunset: 07:43 PM |
Moonrise:12:30 PM Moonset: 02:42 AM Moon Phase ( First Quarter ) |
|
| 25 April 2026 Saturday | Partly Cloudy |
2.3 ° C (36.1°F) |
6.2 ° C (43.2°F) |
4 ° C (39.2°F) |
% 64 | 0% | 2 | Sunrise:05:55 AM Sunset: 07:44 PM |
Moonrise:01:43 PM Moonset: 03:12 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 April 2026 Sunday |  Patchy rain nearby |
3.9 ° C (39.1°F) |
6.6 ° C (44°F) |
4.9 ° C (40.9°F) |
% 78 | 79% | 1 | Sunrise:05:54 AM Sunset: 07:45 PM |
Moonrise:02:52 PM Moonset: 03:36 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 April 2026 Monday | Patchy rain nearby |
2.8 ° C (37.1°F) |
6.8 ° C (44.3°F) |
5.3 ° C (41.5°F) |
% 77 | 88% | 2 | Sunrise:05:52 AM Sunset: 07:47 PM |
Moonrise:03:58 PM Moonset: 03:56 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 April 2026 Tuesday | Overcast |
3.7 ° C (38.7°F) |
7.3 ° C (45.1°F) |
5.8 ° C (42.5°F) |
% 69 | 0% | 2 | Sunrise:05:51 AM Sunset: 07:48 PM |
Moonrise:05:04 PM Moonset: 04:15 AM Moon Phase ( Waxing Gibbous ) |
|
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