2.9
Low · clear-sky maximum
Tuesday, October 20, 2026
At solar noon (12:25:42 PM) the sun reaches 35.4° above the horizon in Lewiston. Without clouds, that corresponds to a maximum UV index of about 2.9 (low). Clouds usually lower the real value; snow, sand, water and altitude can raise it.
☀️ Sun Safety: When the UV index is high, protect yourself with sunscreen, shade, and a hat. Values of 6 or more indicate increased sunburn risk!
UV index in Lewiston, next 14 days
| Date | Sun at noon | Clear-sky max | Forecast max |
|---|---|---|---|
| 35.4° | 2.9 Low | — | |
| 35.1° | 2.8 Low | — | |
| 34.7° | 2.8 Low | — | |
| 34.4° | 2.7 Low | — | |
| 34.0° | 2.7 Low | — | |
| 33.7° | 2.6 Low | — | |
| 33.3° | 2.6 Low | — | |
| 33.0° | 2.5 Low | — | |
| 32.6° | 2.4 Low | — | |
| 32.3° | 2.4 Low | — | |
| 32.0° | 2.3 Low | — | |
| 31.7° | 2.3 Low | — | |
| 31.3° | 2.2 Low | — | |
| 31.0° | 2.2 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.
☀️ Sun Protection Pick
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The UV index in Lewiston measures the intensity of ultraviolet radiation reaching the ground.
Values below 3 are considered low risk, while 6 and above require sun protection such as sunscreen, sunglasses, and shade.
The clear-sky value shows how strong the sun can get on each day; the forecast shows what is expected with clouds.
See today's sunrise and sunset times for Lewiston
or discover the best light for photos during the golden hour in Lewiston.
About Lewiston
AI-assisted description based on geographic data and editorial notes.