At solar noon (01:06:17 PM) the sun reaches 49.7° above the horizon in Houston. Without clouds, that corresponds to a maximum UV index of about 6.2 (high). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
UV index in Houston, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 49.7° | 6.2 High | — | |
| 49.4° | 6.2 High | — | |
| 49.0° | 6.1 High | — | |
| 48.7° | 6.0 High | — | |
| 48.3° | 5.9 Moderate | — | |
| 48.0° | 5.8 Moderate | — | |
| 47.6° | 5.8 Moderate | — | |
| 47.3° | 5.7 Moderate | — | |
| 47.0° | 5.6 Moderate | — | |
| 46.6° | 5.5 Moderate | — | |
| 46.3° | 5.5 Moderate | — | |
| 46.0° | 5.4 Moderate | — | |
| 45.7° | 5.3 Moderate | — | |
| 45.3° | 5.3 Moderate | — |
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 Houston
Houston is located in the state of Texas in the United States, where it serves as the seat of Harris County. The municipality, which dates from 1836, covers an area of 1724.5 square kilometers and sits at an elevation of 13 meters. It is situated on Galveston Bay. As of 2020, the city had a population of 2,304,580. Notable local features include the private research institution Rice University, the George Bush Intercontinental Airport, and the University of Houston. The city maintains twin town relationships with Karachi, Cairo, Istanbul, Irapuato, and Huelva.
AI-assisted description based on geographic data and editorial notes.