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UV Index in Greeley, Weld, Colorado

Saturday

06/13/2026

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Current UV Index:
5.66
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.
UV Index Scale
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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.
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3 - 5
Medium risk of harm
A UV index of 3 to 5 means a moderate risk of harm from unprotected sun exposure.
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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.
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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.
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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.
1-2
Low
3-5
Medium
6-7
High
8-10
Very high
11+
Extremely high

Daily UV Index Forecast

06/13/2026
clear sky 60o / 80o
10.17
Risk of dangerous harm
06/14/2026
overcast clouds 55o / 72o
10.18
Risk of dangerous harm
06/15/2026
clear sky 49o / 81o
9.44
Very high risk of harm
06/16/2026
scattered clouds 53o / 96o
10.86
Risk of dangerous harm
06/17/2026
clear sky 63o / 99o
11
Risk of dangerous harm
06/18/2026
clear sky 50o / 82o
11
Risk of dangerous harm
06/19/2026
few clouds 52o / 98o
11
Risk of dangerous harm
06/20/2026
clear sky 60o / 102o
11
Risk of dangerous harm

06/13/2026

71o
clear-day
Clear sky
60oF / 80oF | Real feel 69oF
0% rain | 0 in
Humidity 38%
Vision 6.21 miles
Wind Speed 10.76 mph
UV Index 5.66
Sunrise / Sunset 05:27 AM / 08:29 PM

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