Grinnell Regional Airport Weather Forecast 15 Days, Weather in KGGI Today
Current weather conditions and 15 day weather forecast for Grinnell Regional Airport, Iowa, 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 Grinnell Regional Airport
| 18 December 2025 Thursday 4.4 ° C / 39.9°F  Overcast |
Feels Like : -0.7 ° C / 30.8°F Humidity : % 86 Pressure : 997 mb Wind Speed : 29.5 kmph / 18.3 miles from SSW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15 day weather forecast for Grinnell Regional Airport, IA, USA
Weather Forecast for next 15 Days for Grinnell Regional Airport 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 Grinnell Regional Airport, Iowa 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 18 December 2025 Thursday |  Light freezing rain |
-8.5 ° C (16.7°F) |
5.3 ° C (41.5°F) |
-0.4 ° C (31.2°F) |
% 77 | 88% | 0.2 | Sunrise:07:34 AM Sunset: 04:42 PM |
Moonrise:06:39 AM Moonset: 03:17 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Partly Cloudy |
-10.6 ° C (12.9°F) |
-2.9 ° C (26.8°F) |
-7.3 ° C (18.9°F) |
% 73 | 0% | 0.3 | Sunrise:07:34 AM Sunset: 04:42 PM |
Moonrise:07:38 AM Moonset: 04:05 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Partly Cloudy |
-3.2 ° C (26.3°F) |
1 ° C (33.8°F) |
-1.6 ° C (29.2°F) |
% 82 | 0% | 0.3 | Sunrise:07:35 AM Sunset: 04:43 PM |
Moonrise:08:29 AM Moonset: 05:01 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday |  Patchy moderate snow |
-3.2 ° C (26.3°F) |
4.3 ° C (39.8°F) |
-0.5 ° C (31.2°F) |
% 65 | 62% | 0.3 | Sunrise:07:35 AM Sunset: 04:43 PM |
Moonrise:09:13 AM Moonset: 06:04 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday |  Moderate snow |
-2 ° C (28.3°F) |
4.6 ° C (40.3°F) |
0.2 ° C (32.3°F) |
% 76 | 74% | 0 | Sunrise:07:36 AM Sunset: 04:44 PM |
Moonrise:09:49 AM Moonset: 07:10 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Partly Cloudy |
1.7 ° C (35°F) |
9.7 ° C (49.4°F) |
5 ° C (40.9°F) |
% 79 | 0% | 2 | Sunrise:07:36 AM Sunset: 04:44 PM |
Moonrise:10:18 AM Moonset: 08:17 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Overcast |
7.1 ° C (44.8°F) |
12.6 ° C (54.6°F) |
9.2 ° C (48.5°F) |
% 95 | 0% | 2 | Sunrise:07:37 AM Sunset: 04:45 PM |
Moonrise:10:43 AM Moonset: 09:26 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday |  Sunny |
1.1 ° C (34°F) |
9.2 ° C (48.6°F) |
6.1 ° C (43°F) |
% 65 | 0% | 3 | Sunrise:07:37 AM Sunset: 04:46 PM |
Moonrise:11:06 AM Moonset: 10:33 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Partly Cloudy |
-1.1 ° C (30°F) |
3.1 ° C (37.5°F) |
0.8 ° C (33.4°F) |
% 58 | 0% | 2 | Sunrise:07:37 AM Sunset: 04:46 PM |
Moonrise:11:27 AM Moonset: 11:42 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Sunny |
-2.8 ° C (27°F) |
5.8 ° C (42.5°F) |
0.3 ° C (32.6°F) |
% 58 | 0% | 2 | Sunrise:07:38 AM Sunset: 04:47 PM |
Moonrise:11:48 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday | Sunny |
-7.7 ° C (18.1°F) |
-4.7 ° C (23.6°F) |
-6.2 ° C (20.8°F) |
% 51 | 0% | 2 | Sunrise:07:38 AM Sunset: 04:48 PM |
Moonrise:12:11 PM Moonset: 12:53 AM Moon Phase ( Waxing Gibbous ) |
|
| 29 December 2025 Monday | Sunny |
-11.1 ° C (12.1°F) |
-4.7 ° C (23.5°F) |
-8.4 ° C (16.9°F) |
% 41 | 0% | 2 | Sunrise:07:38 AM Sunset: 04:49 PM |
Moonrise:12:37 PM Moonset: 02:07 AM Moon Phase ( Waxing Gibbous ) |
|
| 30 December 2025 Tuesday | Sunny |
-8.8 ° C (16.1°F) |
-1.2 ° C (29.8°F) |
-5.7 ° C (21.8°F) |
% 32 | 0% | 2 | Sunrise:07:38 AM Sunset: 04:49 PM |
Moonrise:01:10 PM Moonset: 03:26 AM Moon Phase ( Waxing Gibbous ) |
|
| 31 December 2025 Wednesday | Sunny |
-6.4 ° C (20.5°F) |
0.9 ° C (33.6°F) |
-3.3 ° C (26.1°F) |
% 30 | 0% | 2 | Sunrise:07:38 AM Sunset: 04:50 PM |
Moonrise:01:52 PM Moonset: 04:46 AM Moon Phase ( Waxing Gibbous ) |
|
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