UV index in Milesburg today
Inland Milesburg (PA) is 40.9° south. Without sea haze, January UV commonly runs 8–10 (very high), and a cool morning is no reason to skip sunscreen. This is cool-temperate America: summer UV still climbs into the very high band, and spring arrives before the weather feels hot.
Live reading · data by Open-Meteo · reference monitoring by ARPANSA
Today and tomorrow in Milesburg
Peak UV, temperature and conditions for Milesburg. Tomorrow’s peak is the number to plan around if you’re heading out in the middle of the day.
Weather conditions right now
Cloud and rain cut heat more than they cut UV. A partly cloudy day in Milesburg can still sit at protection levels. Why you burn on cloudy days.
When Milesburg needs sun protection
Sun protection is needed in Milesburg typically from May through September, and any clear spring or fall day UV reaches 3. Inland heat or a cool change does not change the UV index; go by the number, not how the day feels.
The threshold, per SunSmart and ARPANSA: whenever UV reaches 3 or above, Slip on covering clothing, Slop on SPF 50+ sunscreen, Slap on a hat, Seek shade and Slide on sunglasses. Read the full sun safety guide.
The UV scale at a glance
- 0–2Low
- 3–5Moderate
- 6–7High
- 8–10Very high
- 11+Extreme
Frequently asked questions
- When does Milesburg need sun protection?
- Whenever the UV index is 3 or above. In Milesburg that is typically from May through September, and any clear spring or fall day UV reaches 3. The EPA Sun Safety action steps apply at the same threshold used worldwide.
- Does Milesburg need sun protection in winter?
- Not every day. Midwinter middays in Milesburg often sit below UV 3, but clear late-winter and early-spring days cross the threshold before summer fully arrives. Check the live index.
- Can you burn on a cool day in Milesburg?
- Yes. UV is not heat. A cool, windy or lightly cloudy day in Milesburg can still sit at UV 3 or above, especially from spring through autumn. Temperature on this page is for context only; the UV number is what decides protection.