UV Index for Columbia, CT

Current Columbia UV Index

1.3 (Low)

Last Updated 5 minutes ago

Hourly Columbia UV Index

The hourly Columbia, CT UV Index forecast for Monday, June 30th, 2025.

5 Day Hourly Columbia UV Index Forecast

Last Updated 4 hours ago

The UV index forecast for the next five days in Columbia, CT has no days reaching the extreme level and 4 days reaching the high or very high levels. The peak UV intensity in Columbia over the next five days will be 9 on Tuesday, July 1st at 2:00 pm.

The UV index forecast for Monday, June 30th in Columbia, CT is below.

Time UV Index Risk
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, July 1st in Columbia, CT 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 0.2
Low
8am 0.2
Low
9am 1.3
Low
10am 3.6
Moderate
11am 5
Moderate
12pm 7.7
High
1pm 7.7
High
2pm 9
Very High
3pm 7.3
High
4pm 1.9
Low
5pm 0.6
Low
6pm 1.3
Low
7pm 0.4
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, July 2nd in Columbia, CT 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 0.1
Low
7am 0.4
Low
8am 1.3
Low
9am 2.8
Low
10am 4.9
Moderate
11am 6.2
High
12pm 8.5
Very High
1pm 8.6
Very High
2pm 5.2
Moderate
3pm 1.7
Low
4pm 2.4
Low
5pm 2.2
Low
6pm 0.6
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, July 3rd in Columbia, CT 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 0.1
Low
7am 0.5
Low
8am 1.5
Low
9am 3
Moderate
10am 5
Moderate
11am 7
High
12pm 8.4
Very High
1pm 8.8
Very High
2pm 8.1
Very High
3pm 6.2
High
4pm 4.4
Moderate
5pm 2.5
Low
6pm 1
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 4th in Columbia, CT 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 0.1
Low
7am 0.5
Low
8am 1.3
Low