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UV index today in Upper Grand Lagoon, FL

Florida · EPA forecast for Tuesday, September 29

Today's forecast has not been published yet; this is the latest forecast, for Tuesday, September 29.

Peak UV index8Very highhighest around 1 PM
This hour (forecast)—
Sunrise6:35 AM
Solar noon12:33 PM
Sunset6:30 PM

Sun protection needed from 10 AM to 5 PM (UV 3 or higher).

The EPA forecasts a peak UV index of 8 (very high) in Upper Grand Lagoon on Tuesday, September 29.

Hour by hour

368117 AM: 07 AM8 AM: 119 AM: 229 AM10 AM: 4411 AM: 6611 AM12 PM: 771 PM: 881 PM2 PM: 773 PM: 553 PM4 PM: 335 PM: 115 PM6 PM: 0
TimeUV indexLevel
8 AM1Low
9 AM2Low
10 AM4Moderate
11 AM6High
12 PM7High
1 PM8Very high
2 PM7High
3 PM5Moderate
4 PM3Moderate
5 PM1Low

What UV 8 (Very high) means today

Very high risk: unprotected skin and eyes can be damaged and burn quickly. Minimize time in the sun around the middle of the day, seek shade, and cover up with clothing, a wide-brimmed hat, UV-blocking sunglasses and broad-spectrum SPF 30+ sunscreen, reapplied every 2 hours.

The shadow rule: if your shadow is shorter than you are, the sun's UV is at its strongest — protect yourself.

Typical UV index in Upper Grand Lagoon by month

Average daily peak UV index over 2023–2024: highest in August (9.1), lowest in December (2.9). The average daily peak reaches 6 (high) or more in: March, April, May, June, July, August, September, October.

3.5Jan5.0Feb6.6Mar7.9Apr8.2May8.8Jun8.7Jul9.1Aug6.8Sep6.1Oct3.9Nov2.9Dec

Monthly averages: hourly UV index under real sky conditions, clouds included, from NASA POWER satellite data (CERES), 2023–2024, on a 1° grid shared by nearby towns. The daily forecast above is the EPA's.

UV index today in nearby cities

The UV index scale

UV indexLevel
0–2Low
Low danger from the sun's UV rays for the average person. Wear sunglasses on bright days. If you burn easily, cover up and use broad-spectrum SPF 30+ sunscreen. Sand, water and snow reflect UV and add to your exposure.
3–5Moderate
Moderate risk from unprotected sun exposure. Stay in the shade near midday, when the sun is strongest. Wear protective clothing, a wide-brimmed hat and UV-blocking sunglasses, and apply broad-spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days, and after swimming or sweating.
6–7High
High risk from unprotected sun exposure: skin and eyes need protection. Reduce time in the sun around the middle of the day, seek shade, and wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses and broad-spectrum SPF 30+ sunscreen, reapplied every 2 hours.
8–10Very high
Very high risk: unprotected skin and eyes can be damaged and burn quickly. Minimize time in the sun around the middle of the day, seek shade, and cover up with clothing, a wide-brimmed hat, UV-blocking sunglasses and broad-spectrum SPF 30+ sunscreen, reapplied every 2 hours.
11+Extreme
Extreme risk: unprotected skin and eyes can burn in minutes. Try to avoid the sun around the middle of the day, stay in the shade, and use every protection: clothing, a wide-brimmed hat, UV-blocking sunglasses and broad-spectrum SPF 30+ sunscreen, reapplied every 2 hours.

Source: the EPA's hourly UV index forecast for ZIP code 32408, calculated by the National Weather Service from the ozone forecast, sun angle, elevation and expected clouds. Sunrise, solar noon and sunset are calculated for the city's coordinates.

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