Current weather conditions and 15 day weather forecast for Rockville, 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 12.3 ° C / 54.1°F ![]() Partly cloudy |
Feels Like : 10.2 ° C / 50.3°F Humidity : % 61 Pressure : 1015 mb Wind Speed : 21.2 kmph / 13.2 miles from S ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
| 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 |
9.3 ° C (48.7°F) |
25.7 ° C (78.3°F) |
16.3 ° C (61.3°F) |
% 64 | 89% | 6 | Sunrise:05:33 AM Sunset: 08:03 PM |
Moonrise:04:20 AM Moonset: 07:09 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Heavy rain |
16.4 ° C (61.6°F) |
27.9 ° C (82.3°F) |
21.7 ° C (71°F) |
% 81 | 87% | 5.8 | Sunrise:05:33 AM Sunset: 08:04 PM |
Moonrise:04:55 AM Moonset: 08:31 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Moderate rain |
17.6 ° C (63.6°F) |
27.5 ° C (81.5°F) |
22.6 ° C (72.7°F) |
% 77 | 81% | 8.7 | Sunrise:05:32 AM Sunset: 08:05 PM |
Moonrise:05:40 AM Moonset: 09:50 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Moderate rain |
19.5 ° C (67.2°F) |
23.8 ° C (74.8°F) |
21.5 ° C (70.7°F) |
% 77 | 80% | 7.6 | Sunrise:05:31 AM Sunset: 08:06 PM |
Moonrise:06:37 AM Moonset: 10:59 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Moderate rain |
13.7 ° C (56.6°F) |
23.7 ° C (74.6°F) |
19.7 ° C (67.5°F) |
% 77 | 81% | 0.4 | Sunrise:05:30 AM Sunset: 08:07 PM |
Moonrise:07:46 AM Moonset: 11:55 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
11 ° C (51.8°F) |
21.3 ° C (70.4°F) |
15.9 ° C (60.7°F) |
% 58 | 77% | 4 | Sunrise:05:29 AM Sunset: 08:08 PM |
Moonrise:09:02 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Patchy rain nearby |
10.6 ° C (51.1°F) |
16.5 ° C (61.6°F) |
14.6 ° C (58.2°F) |
% 90 | 87% | 3 | Sunrise:05:28 AM Sunset: 08:09 PM |
Moonrise:10:20 AM Moonset: 12:38 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Overcast |
9.3 ° C (48.7°F) |
16.9 ° C (62.4°F) |
12.3 ° C (54.1°F) |
% 72 | 0% | 3 | Sunrise:05:27 AM Sunset: 08:09 PM |
Moonrise:11:35 AM Moonset: 01:11 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Partly Cloudy |
7.9 ° C (46.2°F) |
15.7 ° C (60.2°F) |
12.3 ° C (54.1°F) |
% 67 | 0% | 4 | Sunrise:05:27 AM Sunset: 08:10 PM |
Moonrise:12:45 PM Moonset: 01:38 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
6.9 ° C (44.4°F) |
20.3 ° C (68.5°F) |
13.7 ° C (56.6°F) |
% 68 | 0% | 4 | Sunrise:05:26 AM Sunset: 08:11 PM |
Moonrise:01:52 PM Moonset: 02:01 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Partly Cloudy |
12.8 ° C (55.1°F) |
25.2 ° C (77.3°F) |
18.2 ° C (64.7°F) |
% 75 | 0% | 5 | Sunrise:05:25 AM Sunset: 08:12 PM |
Moonrise:02:57 PM Moonset: 02:21 AM Moon Phase ( Waxing Gibbous ) |
|
| 26 May 2026 Tuesday | Patchy rain nearby |
18.3 ° C (64.9°F) |
25.1 ° C (77.2°F) |
22.3 ° C (72.2°F) |
% 84 | 89% | 5 | Sunrise:05:25 AM Sunset: 08:13 PM |
Moonrise:04:00 PM Moonset: 02:42 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 May 2026 Wednesday | Patchy rain nearby |
21.6 ° C (70.8°F) |
28.1 ° C (82.5°F) |
25 ° C (76.9°F) |
% 83 | 82% | 5 | Sunrise:05:24 AM Sunset: 08:14 PM |
Moonrise:05:04 PM Moonset: 03:03 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 May 2026 Thursday | Patchy rain nearby |
21.7 ° C (71.1°F) |
30.7 ° C (87.3°F) |
25.7 ° C (78.3°F) |
% 82 | 89% | 6 | Sunrise:05:23 AM Sunset: 08:15 PM |
Moonrise:06:07 PM Moonset: 03:26 AM Moon Phase ( Waxing Gibbous ) |
|