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Last Updated 15 minutes ago
The hourly Columbia, PA UV Index forecast for Thursday, September 18th, 2025.
Last Updated 10 hours ago
The UV index forecast for the next five days in Columbia, PA has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Columbia over the next five days will be 6.4 on Saturday, September 20th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Columbia, 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 |
Low |
8am | 0.1 |
Low |
9am | 0.5 |
Low |
10am | 1.9 |
Low |
11am | 4 |
Moderate |
12pm | 5.1 |
Moderate |
1pm | 6.1 |
High |
2pm | 4.8 |
Moderate |
3pm | 4.6 |
Moderate |
4pm | 2.8 |
Low |
5pm | 1.4 |
Low |
6pm | 0.4 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Friday, September 19th in Columbia, 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 |
Low |
8am | 0.3 |
Low |
9am | 1.1 |
Low |
10am | 2.5 |
Low |
11am | 4.2 |
Moderate |
12pm | 5.7 |
Moderate |
1pm | 6.3 |
High |
2pm | 5.9 |
Moderate |
3pm | 4.6 |
Moderate |
4pm | 2.8 |
Low |
5pm | 1.3 |
Low |
6pm | 0.4 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Saturday, September 20th in Columbia, 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 |
Low |
8am | 0.3 |
Low |
9am | 1.1 |
Low |
10am | 2.5 |
Low |
11am | 4.2 |
Moderate |
12pm | 5.7 |
Moderate |
1pm | 6.4 |
High |
2pm | 6 |
High |
3pm | 4.6 |
Moderate |
4pm | 2.9 |
Low |
5pm | 1.3 |
Low |
6pm | 0.4 |
Low |
7pm | 0 |
Low |
8pm | 0 |
Low |
9pm | 0 |
Low |
10pm | 0 |
Low |
11pm | 0 |
Low |
The UV index forecast for Sunday, September 21st in Columbia, 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 |
Low |
8am | 0.3 |
Low |