On this page, you can find the current UV Index and hourly 5 day UV Index forecast for Stamford, Fairfield County, Connecticut (CT). The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated daily.
(Updated 5 minutes ago.)
As of 10:05 PM
EDT, the UV Index in Stamford, CT is 0 (Low).
The UV Index is expected to rise to 0.2 between 8:00 AM - 9:00 AM
EDT
tomorrow.
UV Index Data sourced from the NOAA.
As of 10:05 PM EDT on Friday, April 4, 2025, the UV index in Stamford, CT is at a low level of 0. At this time of the night, the sun has already set and there is no exposure to UV radiation. The UV Index will remain at 0 through the early morning hours until around 8:00 AM tomorrow.
As the day progresses tomorrow (April 5, 2025), the UV Index will rise to 0.2 between 8:00 AM - 9:00 AM, still considered low. The UV Index will stay low all day, peaking between 1:00 PM and 2:00 PM with a reading of 1.3.
After reaching its peak for the day, the UV Index will gradually decline through the afternoon and evening. The UV Index will return to low levels of 1 at 2:00 PM. As the day transitions into the night, the UV Index will drop back down to 0 at 7:00 PM.
| Time Range | UV Index | Risk |
|---|---|---|
| 9:00 AM - 11:00 AM (EDT) | 0.4 - 2.1 | Low |
| 11:00 AM - 12:00 PM | 3.6 | Moderate |
| 12:00 PM - 1:00 PM | 2.2 | Low |
| 1:00 PM - 5:00 PM | 2.6 - 4.3 | Moderate |
| 5:00 PM - 12:00 AM | 0 - 1.1 | Low |
| Time Range | UV Index | Risk |
|---|---|---|
| 12:00 AM - 12:00 AM (EDT) | 0 - 1.3 | Low |
| Time | UV Index | Risk |
|---|---|---|
| 10:00 PM - 11:00 PM (Now, EDT) | 0 | Low |
| 11:00 PM - 12:00 AM | 0 | Low |