Current weather conditions and 15 day weather forecast for Duncan, 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.
| 14 December 2025 Sunday -15.9 ° C / 3.4°F ![]() Clear |
Feels Like : -23.4 ° C / -10.1°F Humidity : % 71 Pressure : 1032 mb Wind Speed : 13 kmph / 8.1 miles from S ![]() Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
| Date | Weather forecast | Low temperature | High temperature | Avg. temperature | Humidity | Chance of rain | UV Index | Sun Position | Moon Position | |
|---|---|---|---|---|---|---|---|---|---|---|
| 14 December 2025 Sunday | Sunny |
-22.9 ° C (-9.2°F) |
-14.1 ° C (6.6°F) |
-17.9 ° C (-0.2°F) |
% 75 | 0% | 0.4 | Sunrise:07:40 AM Sunset: 04:40 PM |
Moonrise:02:35 AM Moonset: 01:20 PM Moon Phase ( Waning Crescent ) |
|
| 15 December 2025 Monday | Partly Cloudy |
-12.1 ° C (10.3°F) |
-3.4 ° C (25.9°F) |
-7.4 ° C (18.7°F) |
% 85 | 0% | 0.3 | Sunrise:07:40 AM Sunset: 04:41 PM |
Moonrise:03:39 AM Moonset: 01:41 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday | Overcast |
-5.3 ° C (22.5°F) |
-0.1 ° C (31.8°F) |
-2.6 ° C (27.3°F) |
% 96 | 0% | 0.4 | Sunrise:07:41 AM Sunset: 04:41 PM |
Moonrise:04:43 AM Moonset: 02:06 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Mist |
-4.8 ° C (23.3°F) |
0.9 ° C (33.6°F) |
-0.3 ° C (31.5°F) |
% 91 | 61% | 0.3 | Sunrise:07:42 AM Sunset: 04:41 PM |
Moonrise:05:47 AM Moonset: 02:37 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday | Patchy rain nearby |
-5 ° C (23°F) |
4 ° C (39.2°F) |
1.7 ° C (35.1°F) |
% 76 | 85% | 0 | Sunrise:07:42 AM Sunset: 04:42 PM |
Moonrise:06:50 AM Moonset: 03:16 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday | Light freezing rain |
-8.1 ° C (17.5°F) |
-2.1 ° C (28.1°F) |
-4.5 ° C (23.9°F) |
% 62 | 73% | 1 | Sunrise:07:43 AM Sunset: 04:42 PM |
Moonrise:07:49 AM Moonset: 04:03 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday | Light sleet |
-8.7 ° C (16.3°F) |
0.9 ° C (33.6°F) |
-2.9 ° C (26.8°F) |
% 83 | 89% | 1 | Sunrise:07:44 AM Sunset: 04:43 PM |
Moonrise:08:40 AM Moonset: 04:59 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
-10.5 ° C (13.1°F) |
-1.9 ° C (28.7°F) |
-6.1 ° C (20.9°F) |
% 76 | 0% | 2 | Sunrise:07:44 AM Sunset: 04:43 PM |
Moonrise:09:23 AM Moonset: 06:03 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Partly Cloudy |
-0.9 ° C (30.4°F) |
5.7 ° C (42.3°F) |
1.9 ° C (35.4°F) |
% 71 | 0% | 2 | Sunrise:07:45 AM Sunset: 04:44 PM |
Moonrise:09:58 AM Moonset: 07:10 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Sunny |
-13.7 ° C (7.4°F) |
-9.6 ° C (14.7°F) |
-10 ° C (14°F) |
% 57 | 0% | 2 | Sunrise:07:45 AM Sunset: 04:44 PM |
Moonrise:10:26 AM Moonset: 08:19 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Moderate snow |
-14.2 ° C (6.5°F) |
-8.7 ° C (16.3°F) |
-11.5 ° C (11.3°F) |
% 61 | 62% | 1 | Sunrise:07:45 AM Sunset: 04:45 PM |
Moonrise:10:50 AM Moonset: 09:28 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Moderate snow |
-9.3 ° C (15.3°F) |
-6.5 ° C (20.4°F) |
-7.8 ° C (17.9°F) |
% 94 | 72% | 1 | Sunrise:07:46 AM Sunset: 04:45 PM |
Moonrise:11:12 AM Moonset: 10:37 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Moderate snow |
-20.2 ° C (-4.4°F) |
-17.6 ° C (0.3°F) |
-17.4 ° C (0.7°F) |
% 92 | 61% | 1 | Sunrise:07:46 AM Sunset: 04:46 PM |
Moonrise:11:32 AM Moonset: 11:47 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Light freezing rain |
-19.5 ° C (-3.1°F) |
-16.3 ° C (2.6°F) |
-17.7 ° C (0.1°F) |
% 87 | 83% | 1 | Sunrise:07:46 AM Sunset: 04:47 PM |
Moonrise:11:52 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|