Onarga Weather Forecast 15 Days, Weather in Onarga Today
Current weather conditions and 15 day weather forecast for Onarga, 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 Onarga
| 23 March 2026 Monday 0.7 ° C / 33.3°F  Overcast |
Feels Like : -5.2 ° C / 22.6°F Humidity : % 79 Pressure : 1018 mb Wind Speed : 27 kmph / 16.8 miles from N  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Onarga, IL, USA
Weather Forecast for next 15 Days for Onarga 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 Onarga, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 22 March 2026 Sunday |  Sunny |
1 ° C (33.8°F) |
23.6 ° C (74.5°F) |
13.3 ° C (56°F) |
% 59 | 0% | 0.9 | Sunrise:06:52 AM Sunset: 07:06 PM |
Moonrise:08:29 AM Moonset: 12:00 AM Moon Phase ( Waxing Crescent ) |
|
| 23 March 2026 Monday |  Cloudy |
-0.8 ° C (30.6°F) |
8.5 ° C (47.3°F) |
2.7 ° C (36.8°F) |
% 58 | 0% | 1.2 | Sunrise:06:50 AM Sunset: 07:07 PM |
Moonrise:09:11 AM Moonset: No moonset Moon Phase ( Waxing Crescent ) |
|
| 24 March 2026 Tuesday | Overcast |
-0.7 ° C (30.7°F) |
7.9 ° C (46.2°F) |
3.4 ° C (38.1°F) |
% 59 | 0% | 1.2 | Sunrise:06:48 AM Sunset: 07:09 PM |
Moonrise:10:02 AM Moonset: 01:15 AM Moon Phase ( Waxing Crescent ) |
|
| 25 March 2026 Wednesday | Overcast |
0.6 ° C (33.1°F) |
18.3 ° C (64.9°F) |
9.4 ° C (48.9°F) |
% 66 | 0% | 1.3 | Sunrise:06:47 AM Sunset: 07:10 PM |
Moonrise:11:05 AM Moonset: 02:22 AM Moon Phase ( First Quarter ) |
|
| 26 March 2026 Thursday |  Moderate rain |
12.3 ° C (54.1°F) |
27.1 ° C (80.8°F) |
18 ° C (64.5°F) |
% 76 | 79% | 1.5 | Sunrise:06:45 AM Sunset: 07:11 PM |
Moonrise:12:15 PM Moonset: 03:18 AM Moon Phase ( Waxing Gibbous ) |
|
| 27 March 2026 Friday |  Patchy rain nearby |
0.3 ° C (32.5°F) |
5.3 ° C (41.5°F) |
3.3 ° C (37.9°F) |
% 61 | 66% | 0 | Sunrise:06:43 AM Sunset: 07:12 PM |
Moonrise:01:30 PM Moonset: 04:02 AM Moon Phase ( Waxing Gibbous ) |
|
| 28 March 2026 Saturday | Sunny |
-1 ° C (30.3°F) |
10.7 ° C (51.3°F) |
4.4 ° C (39.9°F) |
% 49 | 0% | 2 | Sunrise:06:42 AM Sunset: 07:13 PM |
Moonrise:02:43 PM Moonset: 04:37 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 March 2026 Sunday |  Partly Cloudy |
2.5 ° C (36.6°F) |
14.6 ° C (58.3°F) |
8.4 ° C (47.2°F) |
% 49 | 0% | 3 | Sunrise:06:40 AM Sunset: 07:14 PM |
Moonrise:03:54 PM Moonset: 05:05 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 March 2026 Monday | Cloudy |
9 ° C (48.1°F) |
17.2 ° C (63°F) |
13 ° C (55.3°F) |
% 52 | 0% | 3 | Sunrise:06:38 AM Sunset: 07:15 PM |
Moonrise:05:02 PM Moonset: 05:29 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 March 2026 Tuesday | Patchy rain nearby |
10.3 ° C (50.5°F) |
18.3 ° C (64.9°F) |
13.9 ° C (57.1°F) |
% 72 | 79% | 3 | Sunrise:06:37 AM Sunset: 07:16 PM |
Moonrise:06:08 PM Moonset: 05:51 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 April 2026 Wednesday | Patchy rain nearby |
8.3 ° C (46.9°F) |
14.9 ° C (58.8°F) |
12.9 ° C (55.3°F) |
% 69 | 78% | 3 | Sunrise:06:35 AM Sunset: 07:17 PM |
Moonrise:07:13 PM Moonset: 06:11 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 April 2026 Thursday | Partly Cloudy |
0.8 ° C (33.4°F) |
8.2 ° C (46.8°F) |
4.3 ° C (39.7°F) |
% 60 | 0% | 2 | Sunrise:06:33 AM Sunset: 07:18 PM |
Moonrise:08:17 PM Moonset: 06:32 AM Moon Phase ( Full Moon ) |
|
| 03 April 2026 Friday | Overcast |
-0.8 ° C (30.6°F) |
10.7 ° C (51.3°F) |
5.3 ° C (41.5°F) |
% 57 | 0% | 2 | Sunrise:06:32 AM Sunset: 07:19 PM |
Moonrise:09:22 PM Moonset: 06:55 AM Moon Phase ( Waning Gibbous ) |
|
| 04 April 2026 Saturday | Patchy rain nearby |
8.3 ° C (46.9°F) |
14.5 ° C (58°F) |
12.5 ° C (54.4°F) |
% 89 | 86% | 3 | Sunrise:06:30 AM Sunset: 07:20 PM |
Moonrise:10:26 PM Moonset: 07:20 AM Moon Phase ( Waning Gibbous ) |
|
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