Flat Rock Weather Forecast 15 Days, Weather in Flat Rock Today
Current weather conditions and 15 day weather forecast for Flat Rock, 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 Flat Rock
| 08 May 2026 Friday 15.3 ° C / 59.5°F  Partly cloudy |
Feels Like : 15.3 ° C / 59.5°F Humidity : % 63 Pressure : 1014 mb Wind Speed : 18 kmph / 11.2 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Flat Rock, IL, USA
Weather Forecast for next 15 Days for Flat Rock 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 Flat Rock, 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 |
8.4 ° C (47.1°F) |
23.4 ° C (74.1°F) |
14.9 ° C (58.8°F) |
% 68 | 91% | 7.4 | Sunrise:05:45 AM Sunset: 07:50 PM |
Moonrise:01:17 AM Moonset: 10:57 AM Moon Phase ( Waning Gibbous ) |
|
| 09 May 2026 Saturday | Moderate rain |
13.6 ° C (56.4°F) |
23.1 ° C (73.7°F) |
17.6 ° C (63.6°F) |
% 78 | 87% | 7.9 | Sunrise:05:44 AM Sunset: 07:51 PM |
Moonrise:01:48 AM Moonset: 12:01 PM Moon Phase ( Last Quarter ) |
|
| 10 May 2026 Sunday |  Patchy rain nearby |
9.2 ° C (48.5°F) |
16.1 ° C (61°F) |
12.3 ° C (54.1°F) |
% 76 | 86% | 6.5 | Sunrise:05:43 AM Sunset: 07:52 PM |
Moonrise:02:15 AM Moonset: 01:06 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Patchy rain nearby |
6.5 ° C (43.7°F) |
17 ° C (62.6°F) |
11.7 ° C (53°F) |
% 70 | 78% | 7.6 | Sunrise:05:42 AM Sunset: 07:53 PM |
Moonrise:02:39 AM Moonset: 02:12 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday | Patchy rain nearby |
5.7 ° C (42.2°F) |
21.8 ° C (71.3°F) |
11.8 ° C (53.3°F) |
% 73 | 50% | 0.4 | Sunrise:05:41 AM Sunset: 07:54 PM |
Moonrise:03:03 AM Moonset: 03:19 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Patchy rain nearby |
10.4 ° C (50.8°F) |
16 ° C (60.8°F) |
13.7 ° C (56.7°F) |
% 78 | 83% | 3 | Sunrise:05:40 AM Sunset: 07:55 PM |
Moonrise:03:27 AM Moonset: 04:29 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday |  Sunny |
6.3 ° C (43.3°F) |
18.3 ° C (64.9°F) |
12.4 ° C (54.4°F) |
% 68 | 0% | 4 | Sunrise:05:39 AM Sunset: 07:56 PM |
Moonrise:03:53 AM Moonset: 05:44 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday |  Cloudy |
10.7 ° C (51.2°F) |
19.1 ° C (66.3°F) |
14.9 ° C (58.7°F) |
% 80 | 0% | 3 | Sunrise:05:38 AM Sunset: 07:57 PM |
Moonrise:04:23 AM Moonset: 07:02 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Partly Cloudy |
15.6 ° C (60.1°F) |
24.6 ° C (76.2°F) |
20.1 ° C (68.1°F) |
% 82 | 0% | 6 | Sunrise:05:37 AM Sunset: 07:58 PM |
Moonrise:05:00 AM Moonset: 08:22 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Moderate rain |
17.6 ° C (63.8°F) |
20.8 ° C (69.5°F) |
19.3 ° C (66.8°F) |
% 89 | 76% | 4 | Sunrise:05:36 AM Sunset: 07:58 PM |
Moonrise:05:47 AM Moonset: 09:41 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
18.5 ° C (65.3°F) |
27.1 ° C (80.8°F) |
22.6 ° C (72.7°F) |
% 84 | 89% | 5 | Sunrise:05:35 AM Sunset: 07:59 PM |
Moonrise:06:45 AM Moonset: 10:49 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Sunny |
12.2 ° C (54°F) |
22.6 ° C (72.8°F) |
17 ° C (62.7°F) |
% 69 | 0% | 5 | Sunrise:05:35 AM Sunset: 08:00 PM |
Moonrise:07:54 AM Moonset: 11:46 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Sunny |
10.8 ° C (51.5°F) |
26.4 ° C (79.6°F) |
18.6 ° C (65.6°F) |
% 73 | 0% | 5 | Sunrise:05:34 AM Sunset: 08:01 PM |
Moonrise:09:09 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
18.4 ° C (65.2°F) |
25.2 ° C (77.4°F) |
21.7 ° C (71°F) |
% 88 | 88% | 5 | Sunrise:05:33 AM Sunset: 08:02 PM |
Moonrise:10:24 AM Moonset: 12:30 AM Moon Phase ( Waxing Crescent ) |
|
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