Oconee Weather Forecast 15 Days, Weather in Oconee Today
Current weather conditions and 15 day weather forecast for Oconee, 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 Oconee
| 07 May 2026 Thursday 4.2 ° C / 39.6°F  Clear |
Feels Like : 3.3 ° C / 38°F Humidity : % 93 Pressure : 1018 mb Wind Speed : 4.7 kmph / 2.9 miles from NW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Oconee, IL, USA
Weather Forecast for next 15 Days for Oconee 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 Oconee, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 07 May 2026 Thursday | Sunny |
5.1 ° C (41.2°F) |
16.7 ° C (62.1°F) |
10.9 ° C (51.7°F) |
% 61 | 0% | 6.8 | Sunrise:05:51 AM Sunset: 07:56 PM |
Moonrise:12:49 AM Moonset: 10:00 AM Moon Phase ( Waning Gibbous ) |
|
| 08 May 2026 Friday |  Moderate rain |
8 ° C (46.5°F) |
20.1 ° C (68.1°F) |
13.4 ° C (56.1°F) |
% 79 | 86% | 0.2 | Sunrise:05:50 AM Sunset: 07:57 PM |
Moonrise:01:25 AM Moonset: 11:03 AM Moon Phase ( Waning Gibbous ) |
|
| 09 May 2026 Saturday | Sunny |
9.9 ° C (49.8°F) |
23.2 ° C (73.8°F) |
16.5 ° C (61.7°F) |
% 73 | 0% | 5 | Sunrise:05:49 AM Sunset: 07:58 PM |
Moonrise:01:55 AM Moonset: 12:07 PM Moon Phase ( Last Quarter ) |
|
| 10 May 2026 Sunday | Moderate rain |
9.4 ° C (49°F) |
16.7 ° C (62°F) |
13.5 ° C (56.3°F) |
% 72 | 84% | 3 | Sunrise:05:48 AM Sunset: 07:59 PM |
Moonrise:02:22 AM Moonset: 01:12 PM Moon Phase ( Waning Crescent ) |
|
| 11 May 2026 Monday | Sunny |
6 ° C (42.8°F) |
16.1 ° C (60.9°F) |
10.1 ° C (50.2°F) |
% 62 | 0% | 4 | Sunrise:05:47 AM Sunset: 08:00 PM |
Moonrise:02:46 AM Moonset: 02:18 PM Moon Phase ( Waning Crescent ) |
|
| 12 May 2026 Tuesday |  Partly Cloudy |
7.1 ° C (44.7°F) |
18.7 ° C (65.7°F) |
13.2 ° C (55.7°F) |
% 69 | 0% | 4 | Sunrise:05:46 AM Sunset: 08:01 PM |
Moonrise:03:09 AM Moonset: 03:26 PM Moon Phase ( Waning Crescent ) |
|
| 13 May 2026 Wednesday |  Patchy rain nearby |
13.5 ° C (56.4°F) |
25.1 ° C (77.2°F) |
18.9 ° C (66°F) |
% 70 | 88% | 4 | Sunrise:05:45 AM Sunset: 08:02 PM |
Moonrise:03:33 AM Moonset: 04:36 PM Moon Phase ( Waning Crescent ) |
|
| 14 May 2026 Thursday | Sunny |
11.2 ° C (52.1°F) |
19.4 ° C (67°F) |
15 ° C (59°F) |
% 67 | 0% | 5 | Sunrise:05:44 AM Sunset: 08:03 PM |
Moonrise:03:59 AM Moonset: 05:51 PM Moon Phase ( Waning Crescent ) |
|
| 15 May 2026 Friday | Sunny |
8.7 ° C (47.6°F) |
21 ° C (69.8°F) |
14.8 ° C (58.7°F) |
% 65 | 0% | 4 | Sunrise:05:43 AM Sunset: 08:04 PM |
Moonrise:04:28 AM Moonset: 07:10 PM Moon Phase ( Waning Crescent ) |
|
| 16 May 2026 Saturday | Patchy rain nearby |
12.3 ° C (54.1°F) |
26.9 ° C (80.4°F) |
19.5 ° C (67.1°F) |
% 73 | 88% | 4 | Sunrise:05:42 AM Sunset: 08:04 PM |
Moonrise:05:05 AM Moonset: 08:30 PM Moon Phase ( New Moon ) |
|
| 17 May 2026 Sunday | Partly Cloudy |
18.2 ° C (64.8°F) |
27.9 ° C (82.2°F) |
22.7 ° C (72.9°F) |
% 77 | 0% | 6 | Sunrise:05:41 AM Sunset: 08:05 PM |
Moonrise:05:51 AM Moonset: 09:49 PM Moon Phase ( Waxing Crescent ) |
|
| 18 May 2026 Monday | Moderate rain |
19.4 ° C (67°F) |
27.3 ° C (81.1°F) |
22.4 ° C (72.2°F) |
% 79 | 81% | 5 | Sunrise:05:40 AM Sunset: 08:06 PM |
Moonrise:06:49 AM Moonset: 10:57 PM Moon Phase ( Waxing Crescent ) |
|
| 19 May 2026 Tuesday | Partly Cloudy |
19.9 ° C (67.9°F) |
28.6 ° C (83.5°F) |
23.7 ° C (74.7°F) |
% 76 | 0% | 6 | Sunrise:05:39 AM Sunset: 08:07 PM |
Moonrise:07:58 AM Moonset: 11:54 PM Moon Phase ( Waxing Crescent ) |
|
| 20 May 2026 Wednesday | Patchy rain nearby |
19.4 ° C (67°F) |
28.1 ° C (82.6°F) |
23 ° C (73.4°F) |
% 82 | 85% | 5 | Sunrise:05:39 AM Sunset: 08:08 PM |
Moonrise:09:14 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
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