Philadelphia UV Index Today
- Current UV Index0.0
- Cloud Cover00%
- Temperature00.0 ℃
Day Summary
- Max UV Index4.7
- Avg Clouds81%
- Max Temp22.3 ℃
- Peak UV at 1 PM
- Protection Required ☀️
The UV index in Philadelphia, United States 
will reach a high of 4.7 today. This means a moderate level of sun exposure. See our tips below to stay safe!
Last checked: 2025-10-08
Hourly Forecast Chart
Today's Safety Tips
The sun is a bit strong. Find some shade during midday. Wear a hat, sunglasses, and use SPF 30+ sunscreen if you'll be outside for a while.
Philadelphia's UV Index
Philadelphia's UV index generally ranges from low to high depending on the season, peaking in summer months around 8 to 10. Winter months often see a low UV index of 1 to 2.
Weather Seasons
In Philadelphia, summers are hot and humid with frequent thunderstorms, while winters are cold with occasional snow. Spring and fall are mild with variable weather and moderate rainfall. Seasonal changes are quite noticeable throughout the year.
Philadelphia's Climate
Compared to the wider Mid-Atlantic region, Philadelphia has similar weather patterns but can experience more urban heat effects. Neighboring states like New Jersey and Delaware share similar seasonal weather, while areas further north usually have colder winters.
Hourly UV Index Trend
See the UV index hour by hour for Philadelphia. When the level is high, it's smart to find some shade.
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