Current weather conditions and 15 day weather forecast for Raritan, 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.
| 12 May 2026 Tuesday 27.3 ° C / 81.1°F ![]() Sunny |
Feels Like : 26 ° C / 78.9°F Humidity : % 26 Pressure : 1012 mb Wind Speed : 28.8 kmph / 17.9 miles from WSW ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 12 May 2026 Tuesday | Sunny |
10.7 ° C (51.3°F) |
29.2 ° C (84.6°F) |
20.4 ° C (68.7°F) |
% 37 | 0% | 5.1 | Sunrise:05:49 AM Sunset: 08:11 PM |
Moonrise:03:17 AM Moonset: 03:33 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday | Sunny |
9.9 ° C (49.9°F) |
19 ° C (66.2°F) |
14.2 ° C (57.6°F) |
% 61 | 0% | 7.7 | Sunrise:05:48 AM Sunset: 08:12 PM |
Moonrise:03:40 AM Moonset: 04:45 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Patchy rain nearby |
7.7 ° C (45.8°F) |
20.7 ° C (69.2°F) |
14.3 ° C (57.7°F) |
% 67 | 84% | 8.2 | Sunrise:05:47 AM Sunset: 08:13 PM |
Moonrise:04:04 AM Moonset: 06:01 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Moderate rain |
13 ° C (55.5°F) |
28.4 ° C (83.1°F) |
19.8 ° C (67.7°F) |
% 74 | 89% | 0.2 | Sunrise:05:46 AM Sunset: 08:14 PM |
Moonrise:04:33 AM Moonset: 07:21 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Moderate rain |
15.8 ° C (60.4°F) |
29.7 ° C (85.5°F) |
22.4 ° C (72.3°F) |
% 59 | 87% | 5 | Sunrise:05:45 AM Sunset: 08:15 PM |
Moonrise:05:08 AM Moonset: 08:42 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Patchy rain nearby |
17.5 ° C (63.5°F) |
28.3 ° C (83°F) |
22.2 ° C (71.9°F) |
% 81 | 58% | 5 | Sunrise:05:44 AM Sunset: 08:16 PM |
Moonrise:05:54 AM Moonset: 10:01 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Patchy rain nearby |
18.4 ° C (65.2°F) |
24.5 ° C (76.1°F) |
22.7 ° C (72.9°F) |
% 83 | 88% | 5 | Sunrise:05:44 AM Sunset: 08:17 PM |
Moonrise:06:51 AM Moonset: 11:10 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Patchy rain nearby |
13.7 ° C (56.6°F) |
22.2 ° C (71.9°F) |
19.9 ° C (67.9°F) |
% 80 | 89% | 4 | Sunrise:05:43 AM Sunset: 08:18 PM |
Moonrise:08:00 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
18.2 ° C (64.7°F) |
28.1 ° C (82.6°F) |
22.2 ° C (71.9°F) |
% 82 | 84% | 5 | Sunrise:05:42 AM Sunset: 08:19 PM |
Moonrise:09:16 AM Moonset: 12:06 AM Moon Phase ( Waxing Crescent ) |
|
| 21 May 2026 Thursday | Moderate rain |
17.7 ° C (63.8°F) |
25.4 ° C (77.7°F) |
21.1 ° C (70°F) |
% 78 | 85% | 5 | Sunrise:05:41 AM Sunset: 08:19 PM |
Moonrise:10:33 AM Moonset: 12:49 AM Moon Phase ( Waxing Crescent ) |
|
| 22 May 2026 Friday | Moderate rain |
16.4 ° C (61.6°F) |
24.7 ° C (76.4°F) |
19.7 ° C (67.5°F) |
% 85 | 82% | 4 | Sunrise:05:40 AM Sunset: 08:20 PM |
Moonrise:11:48 AM Moonset: 01:23 AM Moon Phase ( Waxing Crescent ) |
|
| 23 May 2026 Saturday | Patchy rain nearby |
18.8 ° C (65.8°F) |
24.3 ° C (75.8°F) |
20.9 ° C (69.6°F) |
% 91 | 83% | 5 | Sunrise:05:40 AM Sunset: 08:21 PM |
Moonrise:12:58 PM Moonset: 01:50 AM Moon Phase ( First Quarter ) |
|
| 24 May 2026 Sunday | Sunny |
13.6 ° C (56.5°F) |
21.9 ° C (71.3°F) |
17.6 ° C (63.7°F) |
% 73 | 0% | 5 | Sunrise:05:39 AM Sunset: 08:22 PM |
Moonrise:02:05 PM Moonset: 02:13 AM Moon Phase ( Waxing Gibbous ) |
|
| 25 May 2026 Monday | Sunny |
13.1 ° C (55.6°F) |
24.2 ° C (75.5°F) |
18.6 ° C (65.5°F) |
% 71 | 0% | 5 | Sunrise:05:38 AM Sunset: 08:23 PM |
Moonrise:03:09 PM Moonset: 02:34 AM Moon Phase ( Waxing Gibbous ) |
|