Waterloo Weather Forecast 15 Days, Weather in Waterloo Today
Current weather conditions and 15 day weather forecast for Waterloo, 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 Waterloo
| 15 December 2025 Monday -11.1 ° C / 12°F  Sunny |
Feels Like : -19.2 ° C / -2.6°F Humidity : % 73 Pressure : 1018 mb Wind Speed : 19.8 kmph / 12.3 miles from SW  Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15 day weather forecast for Waterloo, IA, USA
Weather Forecast for next 15 Days for Waterloo 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 Waterloo, 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 | |
|---|---|---|---|---|---|---|---|---|---|---|
| 15 December 2025 Monday | Sunny |
-15.8 ° C (3.6°F) |
-1.7 ° C (28.9°F) |
-8.6 ° C (16.6°F) |
% 77 | 0% | 0.4 | Sunrise:07:32 AM Sunset: 04:37 PM |
Moonrise:03:31 AM Moonset: 01:37 PM Moon Phase ( Waning Crescent ) |
|
| 16 December 2025 Tuesday |  Overcast |
-6.2 ° C (20.8°F) |
1 ° C (33.8°F) |
-2.9 ° C (26.7°F) |
% 96 | 0% | 0.4 | Sunrise:07:33 AM Sunset: 04:37 PM |
Moonrise:04:34 AM Moonset: 02:02 PM Moon Phase ( Waning Crescent ) |
|
| 17 December 2025 Wednesday | Overcast |
-2.7 ° C (27.1°F) |
0 ° C (32°F) |
-1.1 ° C (30°F) |
% 96 | 0% | 0.3 | Sunrise:07:34 AM Sunset: 04:37 PM |
Moonrise:05:39 AM Moonset: 02:33 PM Moon Phase ( Waning Crescent ) |
|
| 18 December 2025 Thursday |  Blowing snow |
-11.9 ° C (10.5°F) |
3 ° C (37.4°F) |
-2.3 ° C (27.8°F) |
% 82 | 72% | 0.2 | Sunrise:07:34 AM Sunset: 04:38 PM |
Moonrise:06:41 AM Moonset: 03:12 PM Moon Phase ( Waning Crescent ) |
|
| 19 December 2025 Friday |  Partly Cloudy |
-14.1 ° C (6.6°F) |
-7.5 ° C (18.6°F) |
-10.6 ° C (12.9°F) |
% 68 | 0% | 0 | Sunrise:07:35 AM Sunset: 04:38 PM |
Moonrise:07:39 AM Moonset: 04:00 PM Moon Phase ( New Moon ) |
|
| 20 December 2025 Saturday |  Light freezing rain |
-3.8 ° C (25.1°F) |
-0.4 ° C (31.2°F) |
-2 ° C (28.4°F) |
% 79 | 67% | 1 | Sunrise:07:35 AM Sunset: 04:39 PM |
Moonrise:08:30 AM Moonset: 04:56 PM Moon Phase ( New Moon ) |
|
| 21 December 2025 Sunday | Sunny |
-8.7 ° C (16.4°F) |
-6.8 ° C (19.7°F) |
-7.6 ° C (18.3°F) |
% 73 | 0% | 2 | Sunrise:07:36 AM Sunset: 04:39 PM |
Moonrise:09:14 AM Moonset: 05:59 PM Moon Phase ( Waxing Crescent ) |
|
| 22 December 2025 Monday | Sunny |
-7.6 ° C (18.3°F) |
4 ° C (39.2°F) |
-1.1 ° C (29.9°F) |
% 71 | 0% | 2 | Sunrise:07:36 AM Sunset: 04:40 PM |
Moonrise:09:50 AM Moonset: 07:06 PM Moon Phase ( Waxing Crescent ) |
|
| 23 December 2025 Tuesday | Sunny |
-0 ° C (31.9°F) |
4.2 ° C (39.6°F) |
2 ° C (35.6°F) |
% 80 | 0% | 2 | Sunrise:07:37 AM Sunset: 04:40 PM |
Moonrise:10:18 AM Moonset: 08:14 PM Moon Phase ( Waxing Crescent ) |
|
| 24 December 2025 Wednesday | Sunny |
-8.4 ° C (16.9°F) |
-3.9 ° C (25.1°F) |
-4.4 ° C (24.1°F) |
% 57 | 0% | 2 | Sunrise:07:37 AM Sunset: 04:41 PM |
Moonrise:10:43 AM Moonset: 09:23 PM Moon Phase ( Waxing Crescent ) |
|
| 25 December 2025 Thursday | Overcast |
-8.8 ° C (16.1°F) |
-2.9 ° C (26.8°F) |
-5.1 ° C (22.7°F) |
% 47 | 0% | 1 | Sunrise:07:38 AM Sunset: 04:42 PM |
Moonrise:11:05 AM Moonset: 10:31 PM Moon Phase ( Waxing Crescent ) |
|
| 26 December 2025 Friday | Overcast |
-14.2 ° C (6.5°F) |
-7.9 ° C (17.7°F) |
-9.1 ° C (15.6°F) |
% 57 | 0% | 1 | Sunrise:07:38 AM Sunset: 04:42 PM |
Moonrise:11:25 AM Moonset: 11:41 PM Moon Phase ( Waxing Crescent ) |
|
| 27 December 2025 Saturday | Light freezing rain |
-14.3 ° C (6.2°F) |
-8.6 ° C (16.5°F) |
-11.5 ° C (11.3°F) |
% 56 | 81% | 1 | Sunrise:07:38 AM Sunset: 04:43 PM |
Moonrise:11:46 AM Moonset: No moonset Moon Phase ( First Quarter ) |
|
| 28 December 2025 Sunday |  Patchy moderate snow |
-11 ° C (12.2°F) |
-5.4 ° C (22.3°F) |
-7.7 ° C (18.1°F) |
% 90 | 83% | 1 | Sunrise:07:38 AM Sunset: 04:44 PM |
Moonrise:12:08 PM Moonset: 12:52 AM Moon Phase ( Waxing Gibbous ) |
|
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