UV Index in Saint Thomas
Sunday
22/03/2026
Current UV Index:
4.93
Medium risk of harm
A UV index of 3 to 5 means a moderate risk of harm from unprotected sun exposure.
UV Index Scale
0
- 2
Low risk of harm
A UV index of 0 to 2 means that the danger from the Sun's UV rays to the average person is low.
3
- 5
Medium risk of harm
A UV index of 3 to 5 means a moderate risk of harm from unprotected sun exposure.
6
- 7
High risk of harm
A UV Index of 6 to 7 means a high risk of harm from unprotected sun exposure. Skin and eye protection is essential.
8
- 10
Very high risk of harm
A UV Index of 8 to 10 means there is a very high risk of harm from unprotected sun exposure. Take extra precautions as unprotected skin and eyes are vulnerable and can burn quickly.
11+
Risk of dangerous harm
A UV Index of 11 or higher means an extremely high risk of harm from unprotected sun exposure. Take every precaution as unprotected skin and eyes can burn in minutes.
Hourly UV Index Forecast
Wear sunglasses on sunny days. In winter, reflection can double the intensity of UV rays.
If you burn easily, cover up and use sunscreen.
If you burn easily, cover up and use sunscreen.
1-2
Low
3-5
Medium
6-7
High
8-10
Very high
11+
Extremely high
Daily UV Index Forecast
22/03/2026
70o
/
82o
9.49
Very high risk of harm
23/03/2026
68o
/
74o
3.87
Medium risk of harm
24/03/2026
66o
/
77o
9.74
Very high risk of harm
25/03/2026
66o
/
81o
10.56
Risk of dangerous harm
26/03/2026
70o
/
79o
9.84
Very high risk of harm
27/03/2026
68o
/
82o
0.48
Low risk of harm
28/03/2026
69o
/
83o
1
Low risk of harm
29/03/2026
68o
/
81o
1
Low risk of harm
22/03/2026
81o
Clear sky
70oF
/
82oF
| Real feel
83oF
0% rain
|
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