Waterloo (IA)
June
Weather in Waterloo, Iowa for June 2026
Your guide to Waterloo weather in June - trends and predictions
So far, June 2026 in Waterloo is slightly warmer than the historical average by 1.4 °F.
Expect cooler weather in the next days in Waterloo with the forecast suggesting a temperature of 23.4 °F, lower than the historical average.
In general, the average temperature in Waterloo at the beginning of June is 27.1 °F. As the month progressed, temperatures tended to remain steady, reaching an average of 27.1 °F by the end of June.
The climate of Waterloo in June is notably wet, with an average of 15 rainy days, and a total of 684.8 mm of precipitation.
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Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
28°/17°
Temperatures
22 km/h
Avg max wind
75 %
Avg humidity
Waterloo Weather June
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Temperatures trend during June in Waterloo
See the weather trend as well as the moving average line
June weather in Waterloo day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Sunny | 28° /13° | 2.7 mm | 9 | |
| Jun. 2 | Sunny | 30° /16° | 0 mm | 10 | |
| Jun. 3 |  Moderate or heavy rain shower | 26° /14° | 20.1 mm | 8 | |
| Jun. 4 |  Fog | 27° /12° | 7.3 mm | 8 | |
| Jun. 5 |  Overcast | 26° /16° | 6.1 mm | 7 | |
| Jun. 6 |  Partly cloudy | 28° /17° | 0.1 mm | 9 | |
| Jun. 7 | Mist | 25° /17° | 5.9 mm | 8 | |
| Jun. 8 | Moderate or heavy rain shower | 24° /16° | 29.4 mm | 6 | |
| Jun. 9 |  Cloudy | 26° /14° | 0.9 mm | 8 | |
| Jun. 10 | Mist | 28° /15° | 10.5 mm | 8 | |
| Jun. 11 |  Thundery outbreaks possible | 34° /16° | 12.2 mm | 7 | |
| Jun. 12 | Sunny | 28° /14° | 0 mm | 9.1 | |
| Jun. 13 |  Patchy rain possible | 23° /15° | 1.1 mm | 8.8 | |
| Jun. 14 | Sunny | 21° /11° | 0 mm | 8.6 | |
| Jun. 15 | Sunny | 19° /9° | 0 mm | 0.4 | |
| Jun. 16 | Patchy rain possible | 23° /11° | 0.2 mm | 4 | |
| Jun. 17 | Patchy rain possible | 27° /14° | 1.1 mm | 5 | |
| Jun. 18 | Sunny | 26° /16° | 0 mm | 6 | |
| Jun. 19 | Partly cloudy | 23° /12° | 0.1 mm | 5 | |
| Jun. 20 | Patchy rain possible | 21° /14° | 1.4 mm | 4 | |
| Jun. 21 | Sunny | 23° /12° | 0 mm | 5 | |
| Jun. 22 | Patchy rain possible | 17° /14° | 1.3 mm | 4 | |
| Jun. 23 | Patchy rain possible | 22° /16° | 0.8 mm | 4 | |
| Jun. 24 | Patchy rain possible | 26° /17° | 1.1 mm | 5 | |
| Jun. 25 | Patchy rain possible | 28° /18° | 0 mm | 5 | |
| Jun. 26 | Light rain shower | 27° /21° | 11.4 mm | 6 | |
| Jun. 27 |  Moderate rain | 27° /20° | 26.8 mm | 6 | |
| Jun. 28 | Light rain shower | 31° /17° | 4.1 mm | 7 | |
| Jun. 29 | Overcast | 26° /18° | 1 mm | 6 | |
| Jun. 30 | Sunny | 25° /15° | 15.3 mm | 6 | |
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Important Notice
Our weather forecast for Waterloo in June 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.
Change Month
Waterloo in June - FAQ
What are the expected maximum and minimum temperatures in Waterloo during June?
During June, expect a variety of temperatures with highs around 28° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Waterloo during June?
Significant rainfall exceeding 684.8 mm is expected in Waterloo during June, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Waterloo during June?
The average wind speed in Waterloo during June is 22 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Waterloo
Explore the daily rainfall trends and prepare for Waterloos June weather 💧
Typically, Waterloo has 15 rainy days in June with a total of 684.8 mm of rainfall.
UV exposure in Waterloo during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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