Hartford UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index8.1
- Avg Clouds93%
- Max Temp21.7 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Hartford, United States 
will reach a high of 8.1 today. This means a veryhigh level of sun exposure. See our tips below to stay safe!
Last checked: 2025-08-01
Hourly Forecast Chart
Today's Safety Tips
The risk is very high. It's best to stay out of the sun between 10 a.m. and 4 p.m. If you must be outside, wear protective clothing and apply sunscreen often.
Hartford's UV Index
Hartford usually has a UV index ranging from low to moderate, typically between 2 and 6, depending on the season and cloud cover.
Weather Seasons
In Hartford, summers are warm and sometimes humid, while winters are cold with snowfall. Spring and fall are mild and pleasant, with changing leaf colors in autumn being a highlight.
Hartford's Climate
Compared to nearby cities like Boston or New York, Hartford has slightly colder winters and less humidity in summer. Its weather is typical for the northeastern United States, with distinct seasons and variable precipitation.
Hourly UV Index Trend
See the UV index hour by hour for Hartford. When the level is high, it's smart to find some shade.
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