Waterloo (IA)
April
Weather in Waterloo, Iowa for April 2026
Your guide to Waterloo weather in April - trends and predictions
In general, the average temperature in Waterloo at the beginning of April is 10.7 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 18.6 °F by the end of April.
The climate of Waterloo in April is notably wet, with an average of 15 rainy days, and a total of 196 mm of precipitation.
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Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
15°/5°
Temperatures
26 km/h
Avg max wind
73 %
Avg humidity
Waterloo Weather April
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Temperatures trend during April in Waterloo
See the weather trend as well as the moving average line
April weather in Waterloo day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Apr. 1 |  Patchy rain possible | 7° /0° | 1.6 mm | 2 | |
| Apr. 2 |  Moderate or heavy rain shower | 19° /4° | 16.9 mm | 4 | |
| Apr. 3 |  Overcast | 11° /0° | 0 mm | 3 | |
| Apr. 4 | Overcast | 11° /1° | 0 mm | 3 | |
| Apr. 5 | Overcast | 7° /2° | 0.3 mm | 2 | |
| Apr. 6 |  Sunny | 13° /-2° | 0 mm | 4 | |
| Apr. 7 | Sunny | 7° /0° | 0 mm | 3 | |
| Apr. 8 |  Cloudy | 9° /-3° | 0 mm | 2 | |
| Apr. 9 |  Heavy rain at times | 12° /3° | 1.4 mm | 3 | |
| Apr. 10 | Moderate or heavy rain shower | 12° /1° | 4.3 mm | 3 | |
| Apr. 11 | Patchy rain possible | 11° /5° | 0.1 mm | 3 | |
| Apr. 12 |  Partly cloudy | 16° /2° | 0 mm | 5 | |
| Apr. 13 | Patchy rain possible | 20° /9° | 0.2 mm | 5 | |
| Apr. 14 | Patchy rain possible | 14° /7° | 0.1 mm | 3 | |
| Apr. 15 | Partly cloudy | 14° /3° | 0 mm | 4 | |
| Apr. 16 | Cloudy | 18° /1° | 0 mm | 4 | |
| Apr. 17 | Patchy rain possible | 21° /10° | 0.6 mm | 5 | |
| Apr. 18 | Moderate or heavy rain shower | 15° /9° | 34.6 mm | 4 | |
| Apr. 19 | Overcast | 12° /3° | 0 mm | 3 | |
| Apr. 20 | Moderate or heavy rain shower | 8° /2° | 48.2 mm | 2 | |
| Apr. 21 | Patchy rain possible | 16° /6° | 3.4 mm | 4 | |
| Apr. 22 | Moderate or heavy rain shower | 21° /8° | 18.8 mm | 5 | |
| Apr. 23 | Heavy rain at times | 21° /10° | 2.4 mm | 5 | |
| Apr. 24 | Patchy rain possible | 21° /11° | 1.8 mm | 5 | |
| Apr. 25 | Moderate or heavy rain shower | 14° /8° | 17.6 mm | 3 | |
| Apr. 26 | Cloudy | 17° /2° | 0 mm | 4 | |
| Apr. 27 | Overcast | 18° /7° | 0 mm | 4 | |
| Apr. 28 | Patchy rain possible | 25° /12° | 11.7 mm | 6 | |
| Apr. 29 |  Thundery outbreaks possible | 20° /10° | 0 mm | 5 | |
| Apr. 30 | Moderate or heavy rain shower | 15° /5° | 32 mm | 4 | |
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Important Notice
Our weather forecast for Waterloo in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Waterloo forecast closer to your planned date for the most up-to-date weather information.
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Waterloo in April - FAQ
What are the expected maximum and minimum temperatures in Waterloo during April?
During April, expect a variety of temperatures with highs around 15° and lows near 5°, suitable for diverse activities and preferences.
How much rainfall should be expected in Waterloo during April?
Significant rainfall exceeding 196 mm is expected in Waterloo during April, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Waterloo during April?
The average wind speed in Waterloo during April is 26 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in Waterloo
Explore the daily rainfall trends and prepare for Waterloos April weather 💧
UV exposure in Waterloo during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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