Round Grove Weather Forecast 15 Days, Weather in Round Grove Today
Current weather conditions and 15 day weather forecast for Round Grove, 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 Round Grove
| 22 December 2025 Monday 3.5 ° C / 38.3°F  Partly cloudy |
Feels Like : -0.8 ° C / 30.7°F Humidity : % 55 Pressure : 1023 mb Wind Speed : 19.4 kmph / 12.1 miles from SSE  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
15 day weather forecast for Round Grove, IL, USA
Weather Forecast for next 15 Days for Round Grove 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 Round Grove, 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 December 2025 Monday |  Sunny |
-1.8 ° C (28.8°F) |
9.3 ° C (48.7°F) |
2 ° C (35.6°F) |
% 72 | 0% | 0.2 | Sunrise:07:16 AM Sunset: 04:29 PM |
Moonrise:09:29 AM Moonset: 06:54 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday |  Fog |
0.2 ° C (32.4°F) |
1.4 ° C (34.5°F) |
1.2 ° C (34.1°F) |
% 98 | 0% | 0.3 | Sunrise:07:17 AM Sunset: 04:29 PM |
Moonrise:09:59 AM Moonset: 08:01 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Fog |
-0.1 ° C (31.8°F) |
3.2 ° C (37.8°F) |
2.8 ° C (37°F) |
% 98 | 0% | 0.1 | Sunrise:07:17 AM Sunset: 04:30 PM |
Moonrise:10:24 AM Moonset: 09:09 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Patchy rain nearby |
12 ° C (53.6°F) |
17.6 ° C (63.7°F) |
14.9 ° C (58.8°F) |
% 91 | 85% | 0.2 | Sunrise:07:17 AM Sunset: 04:31 PM |
Moonrise:10:47 AM Moonset: 10:16 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Patchy rain nearby |
-0.1 ° C (31.7°F) |
6.5 ° C (43.7°F) |
7.7 ° C (45.9°F) |
% 75 | 0% | 0 | Sunrise:07:18 AM Sunset: 04:31 PM |
Moonrise:11:09 AM Moonset: 11:24 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-1.6 ° C (29.1°F) |
5.7 ° C (42.3°F) |
1.9 ° C (35.4°F) |
% 75 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:32 PM |
Moonrise:11:31 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Partly Cloudy |
2.5 ° C (36.5°F) |
7.5 ° C (45.4°F) |
4.5 ° C (40°F) |
% 70 | 0% | 2 | Sunrise:07:18 AM Sunset: 04:33 PM |
Moonrise:11:54 AM Moonset: 12:34 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Moderate rain |
1.4 ° C (34.6°F) |
4.1 ° C (39.4°F) |
3.5 ° C (38.2°F) |
% 78 | 81% | 1 | Sunrise:07:19 AM Sunset: 04:33 PM |
Moonrise:12:21 PM Moonset: 01:48 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Patchy rain nearby |
2.9 ° C (37.2°F) |
7.2 ° C (45°F) |
6.8 ° C (44.3°F) |
% 91 | 88% | 2 | Sunrise:07:19 AM Sunset: 04:34 PM |
Moonrise:12:54 PM Moonset: 03:06 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday |  Overcast |
1.7 ° C (35°F) |
4.5 ° C (40°F) |
2.8 ° C (37°F) |
% 81 | 0% | 1 | Sunrise:07:19 AM Sunset: 04:35 PM |
Moonrise:01:37 PM Moonset: 04:25 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Sunny |
0.6 ° C (33.1°F) |
7.8 ° C (46.1°F) |
3.6 ° C (38.5°F) |
% 81 | 0% | 2 | Sunrise:07:19 AM Sunset: 04:36 PM |
Moonrise:02:31 PM Moonset: 05:45 AM Moon Phase ( Waxing Gibbous ) |
|
| 02 January 2026 Friday | Patchy rain nearby |
3.8 ° C (38.9°F) |
12 ° C (53.6°F) |
8.2 ° C (46.8°F) |
% 82 | 87% | 2 | Sunrise:07:19 AM Sunset: 04:37 PM |
Moonrise:03:38 PM Moonset: 06:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 03 January 2026 Saturday | Moderate rain |
-3.8 ° C (25.2°F) |
12.1 ° C (53.7°F) |
5.8 ° C (42.4°F) |
% 75 | 86% | 2 | Sunrise:07:19 AM Sunset: 04:38 PM |
Moonrise:04:55 PM Moonset: 07:53 AM Moon Phase ( Full Moon ) |
|
| 04 January 2026 Sunday |  Light snow |
-8.6 ° C (16.5°F) |
-7 ° C (19.4°F) |
-7.6 ° C (18.3°F) |
% 51 | 0% | 1 | Sunrise:07:19 AM Sunset: 04:39 PM |
Moonrise:06:13 PM Moonset: 08:38 AM Moon Phase ( Waning Gibbous ) |
|
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