At solar noon (01:06:54 PM) the sun reaches 36.0° above the horizon in Waterloo. Without clouds, that corresponds to a maximum UV index of about 3.0 (moderate). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in Waterloo, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 36.0° | 3.0 Moderate | — | |
| 35.7° | 3.0 Moderate | — | |
| 35.3° | 2.9 Low | — | |
| 35.0° | 2.8 Low | — | |
| 34.6° | 2.8 Low | — | |
| 34.3° | 2.7 Low | — | |
| 33.9° | 2.7 Low | — | |
| 33.6° | 2.6 Low | — | |
| 33.3° | 2.6 Low | — | |
| 32.9° | 2.5 Low | — | |
| 32.6° | 2.4 Low | — | |
| 32.3° | 2.4 Low | — | |
| 32.0° | 2.3 Low | — | |
| 31.7° | 2.3 Low | — |
Clear-sky values are calculated from the sun's height at solar noon (cloud-free sky, average ozone). Forecast values from Open-Meteo include clouds and load in your browser.
High UV today? Sport sunscreen with SPF 100 stays on through sweat — essential for long outdoor activities.
View on Amazon →About Waterloo
Waterloo is a city in Ontario, Canada, that has existed as a municipality since 1857. Situated at an elevation of 329 metres, it recorded a population of 121,436 in 2021. The city hosts St. Jerome's University, which serves as a notable institution of higher education within the region. Residents and visitors have access to the Canadian Clay and Glass Gallery, a facility dedicated to decorative arts, as well as Renison University College. Other features found within the municipal boundaries include the Waterloo Memorial Recreation Complex, Waterloo Park, the 22 Willow church building, All Saints Anglican Church, and a Carnegie library.
AI-assisted description based on geographic data and editorial notes.