UV Index right now: 4.0↑ Increasing
Current UV radiation rating
Max UV Index today: 12.1 (Extreme)
Maximum level of ultraviolet radiation index today
Max UV Index tomorrow: 12.1 (Extreme)
Maximum UV Index in the middle of the day tomorrow
UV Index chart for Johnstown today
Warnings
UV Rating in Johnstown is expected to reach dangerous levels today. Sun protection is strongly recommended between 8 am and 3 pm when the UV strength level is 3 and above. Take precautions to safeguard your skin from harmful UV radiation during peak hours.
The UV Index serves as a crucial factor in determining the sunburn index, as it measures the intensity of UV rays emitted by the sun.
Hourly UV Forecast
UV Index Legend
0-2 Low
No protection needed. UV radiation is minimal, but sensitive skin types should still take caution.
Now3-5 Moderate
Wear a hat and sunglasses, use sunscreen. Warnings apply for extended radiation exposure.
6-7 High
Seek shade during midday hours, wear protective clothing. Skin protection is essential.
8-10 Very High
Minimize sun exposure between 10 a.m. and 4 p.m. Watch for warnings during peak UV observations.
11+ Extreme
Take all precautions. Skin protection and avoiding direct exposure to radiation is critical.
Forecast issued on Sunday, November 24 at 2:00 PM Coordinated Universal Time.
The next weather forecast will be issued at Monday 2:00 PM.