Heathrow, England, United Kingdom UV Index Forecast

Find the UV Index forecast for today, tomorrow and the next 15 days for Heathrow, England, United Kingdom, The Ultraviolet Index forecast, which measures the radiation from the sun that reaches the Earth's surface is updated hourly.

Current UV Index
3:36 pm

High7

UV INDEX

Hourly UV Index Forecast for Today
June 27, 2025

0
5 am
0
6 am
1
7 am
2
8 am
5
9 am
6
10 am
5
11 am
7
12 pm
8
1 pm
8
2 pm
5
3 pm
7
4 pm
6
5 pm
5
6 pm
3
7 pm
2
8 pm
  • Low
    1-2
  • Moderate
    3-4-5
  • High
    6-7
  • Very High
    8-9-10
  • Xtreme
    11+

As of 3:36 pm today in Heathrow, England, United Kingdom, the UV Index is currently at a High level of 7.

Summary of Hourly UV Index Forecast for Today and Tomorrow in Heathrow, England, United Kingdom.

Today

Time Range UV Index Risk
5 am 0
Low
6 am 0
Low
7 am 1
Low
8 am 2
Low
9 am 5
Moderate
10 am 6
High
11 am 5
Moderate
12 pm 7
High
1 pm 8
Very High
2 pm 8
Very High
3 pm 5
Moderate
4 pm 7
High
5 pm 6
High
6 pm 5
Moderate
7 pm 3
Moderate
8 pm 2
Low

Tomorrow

Time Range UV Index Risk
5 am 0
Low
6 am 0
Low
7 am 1
Low
8 am 1
Low
9 am 1
Low
10 am 2
Low
11 am 4
Moderate
12 pm 5
Moderate
1 pm 7
High
2 pm 7
High
3 pm 7
High
4 pm 6
High
5 pm 4
Moderate
6 pm 2
Low
7 pm 3
Moderate
8 pm 2
Low

Daily Heathrow UV Index Forecast for the next 15 days:

8
27 Jun
7
28 Jun
9
29 Jun
9
30 Jun
9
1 Jul
5
2 Jul
8
3 Jul
8
4 Jul
5
5 Jul
8
6 Jul
8
7 Jul
6
8 Jul
6
9 Jul
8
10 Jul
  • Low
    1-2
  • Moderate
    3-4-5
  • High
    6-7
  • Very High
    8-9-10
  • Xtreme
    11+

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