Griggsville Weather Forecast 15 Days, Weather in Griggsville Today
Current weather conditions and 15 day weather forecast for Griggsville, 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 Griggsville
| 19 December 2025 Friday -8.5 ° C / 16.7°F  Sunny |
Feels Like : -16.8 ° C / 1.9°F Humidity : % 72 Pressure : 1016 mb Wind Speed : 24.5 kmph / 15.2 miles from WNW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Griggsville, IL, USA
Weather Forecast for next 15 Days for Griggsville 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 Griggsville, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 19 December 2025 Friday |  Partly Cloudy |
-8.1 ° C (17.4°F) |
2 ° C (35.6°F) |
-3.4 ° C (25.8°F) |
% 63 | 0% | 0.3 | Sunrise:07:20 AM Sunset: 04:41 PM |
Moonrise:07:21 AM Moonset: 04:05 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Overcast |
-2.2 ° C (28°F) |
6.4 ° C (43.5°F) |
0.3 ° C (32.5°F) |
% 75 | 0% | 0.3 | Sunrise:07:21 AM Sunset: 04:41 PM |
Moonrise:08:12 AM Moonset: 05:01 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Mist |
-5.3 ° C (22.5°F) |
2.3 ° C (36.1°F) |
-2.2 ° C (28.1°F) |
% 78 | 0% | 0.4 | Sunrise:07:21 AM Sunset: 04:42 PM |
Moonrise:08:57 AM Moonset: 06:03 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Light freezing rain |
-1.7 ° C (29°F) |
2.7 ° C (36.9°F) |
0.5 ° C (32.8°F) |
% 51 | 86% | 0.1 | Sunrise:07:22 AM Sunset: 04:42 PM |
Moonrise:09:34 AM Moonset: 07:08 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Mist |
0.4 ° C (32.7°F) |
12.7 ° C (54.9°F) |
4.8 ° C (40.7°F) |
% 93 | 0% | 0 | Sunrise:07:22 AM Sunset: 04:43 PM |
Moonrise:10:05 AM Moonset: 08:14 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Overcast |
10.2 ° C (50.4°F) |
19.5 ° C (67.1°F) |
15.1 ° C (59.2°F) |
% 90 | 0% | 4 | Sunrise:07:22 AM Sunset: 04:43 PM |
Moonrise:10:32 AM Moonset: 09:20 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Partly Cloudy |
14 ° C (57.3°F) |
20.2 ° C (68.3°F) |
16.6 ° C (61.9°F) |
% 86 | 0% | 5 | Sunrise:07:23 AM Sunset: 04:44 PM |
Moonrise:10:56 AM Moonset: 10:26 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Overcast |
3.8 ° C (38.8°F) |
7.5 ° C (45.5°F) |
6.8 ° C (44.2°F) |
% 75 | 0% | 2 | Sunrise:07:23 AM Sunset: 04:45 PM |
Moonrise:11:18 AM Moonset: 11:34 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday |  Cloudy |
-0.1 ° C (31.9°F) |
4.2 ° C (39.5°F) |
2.1 ° C (35.7°F) |
% 71 | 0% | 1 | Sunrise:07:23 AM Sunset: 04:45 PM |
Moonrise:11:41 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Patchy rain nearby |
2.5 ° C (36.4°F) |
9.4 ° C (48.8°F) |
6.4 ° C (43.5°F) |
% 82 | 80% | 2 | Sunrise:07:24 AM Sunset: 04:46 PM |
Moonrise:12:05 PM Moonset: 12:43 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday |  Moderate rain |
4.6 ° C (40.4°F) |
12.7 ° C (54.8°F) |
10.7 ° C (51.3°F) |
% 83 | 86% | 3 | Sunrise:07:24 AM Sunset: 04:47 PM |
Moonrise:12:33 PM Moonset: 01:55 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Partly Cloudy |
0.9 ° C (33.5°F) |
8.9 ° C (48.1°F) |
4.6 ° C (40.3°F) |
% 66 | 0% | 2 | Sunrise:07:24 AM Sunset: 04:48 PM |
Moonrise:01:08 PM Moonset: 03:12 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Light freezing rain |
-3.1 ° C (26.3°F) |
0.8 ° C (33.4°F) |
0.7 ° C (33.3°F) |
% 66 | 79% | 1 | Sunrise:07:24 AM Sunset: 04:48 PM |
Moonrise:01:51 PM Moonset: 04:31 AM Moon Phase ( Waxing Gibbous ) |
|
| 01 January 2026 Thursday | Partly Cloudy |
-6.8 ° C (19.8°F) |
-3.2 ° C (26.2°F) |
-5.3 ° C (22.5°F) |
% 55 | 0% | 2 | Sunrise:07:25 AM Sunset: 04:49 PM |
Moonrise:02:46 PM Moonset: 05:49 AM Moon Phase ( Waxing Gibbous ) |
|
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