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Last Updated 25 minutes ago
The hourly Mertztown, PA UV Index forecast for Tuesday, July 1st, 2025.
Last Updated 10 hours ago
The UV index forecast for the next five days in Mertztown, PA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Mertztown over the next five days will be 10.2 on Tuesday, July 1st at 1:00 pm.
The UV index forecast for Tuesday, July 1st in Mertztown, PA is below.
Time | UV Index | Risk |
---|---|---|
1am | 0 |
Low |
2am | 0 |
Low |
3am | 0 |
Low |
4am | 0 |
Low |
5am | 0 |
Low |
6am | 0 |
Low |
7am | 0.4 |
Low |
8am | 1.1 |
Low |
9am | 2.8 |
Low |
10am | 4.8 |
Moderate |
11am | 7.6 |
High |
12pm | 9.5 |
Very High |
1pm | 10.2 |
Very High |
2pm | 9.7 |
Very High |
3pm | 8 |
Very High |
4pm | 5.6 |
Moderate |
5pm | 3.3 |
Moderate |
6pm | 0.8 |
Low |
7pm | 0.2 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Wednesday, July 2nd in Mertztown, PA is below.
Time | UV Index | Risk |
---|---|---|
12am | 0 |
Low |
1am | 0 |
Low |
2am | 0 |
Low |
3am | 0 |
Low |
4am | 0 |
Low |
5am | 0 |
Low |
6am | 0 |
Low |
7am | 0.4 |
Low |
8am | 1.3 |
Low |
9am | 2.9 |
Low |
10am | 5 |
Moderate |
11am | 7.2 |
High |
12pm | 8.8 |
Very High |
1pm | 9.5 |
Very High |
2pm | 8.8 |
Very High |
3pm | 7 |
High |
4pm | 5 |
Moderate |
5pm | 2.9 |
Low |
6pm | 1.5 |
Low |
7pm | 0.5 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Thursday, July 3rd in Mertztown, PA is below.
Time | UV Index | Risk |
---|---|---|
12am | 0 |
Low |
1am | 0 |
Low |
2am | 0 |
Low |
3am | 0 |
Low |
4am | 0 |
Low |
5am | 0 |
Low |
6am | 0 |
Low |
7am | 0.4 |
Low |
8am | 1.3 |
Low |
9am | 2.8 |
Low |
10am | 5 |
Moderate |
11am | 7.1 |
High |
12pm | 8.8 |
Very High |
1pm | 9.5 |
Very High |
2pm | 8.9 |
Very High |
3pm | 7.2 |
High |
4pm | 2.3 |
Low |
5pm | 1 |
Low |
6pm | 1.4 |
Low |
7pm | 0.3 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, July 4th in Mertztown, PA is below.
Time | UV Index | Risk |
---|---|---|
12am | 0 |
Low |
1am | 0 |
Low |
2am | 0 |
Low |
3am | 0 |
Low |
4am | 0 |
Low |
5am | 0 |
Low |
6am | 0 |
Low |
7am | 0.4 |
Low |
8am | 1.2 |
Low |