UV Index for New Castle, CO

Current New Castle UV Index

0 (Low)

Last Updated 45 minutes ago

Hourly New Castle UV Index

The hourly New Castle, CO UV Index forecast for Wednesday, July 2nd, 2025.

5 Day Hourly New Castle UV Index Forecast

Last Updated 10 hours ago

The UV index forecast for the next five days in New Castle, CO has 3 days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in New Castle over the next five days will be 12 on Friday, July 4th at 1:00 pm.

The UV index forecast for Wednesday, July 2nd in New Castle, CO is below.

Time UV Index Risk
11pm 0
Low

The UV index forecast for Thursday, July 3rd in New Castle, CO 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 1.4
Low
9am 3.3
Moderate
10am 5.6
Moderate
11am 7.6
High
12pm 10
Very High
1pm 10.4
Very High
2pm 9.3
Very High
3pm 1.5
Low
4pm 0.9
Low
5pm 0.7
Low
6pm 1.3
Low
7pm 0.5
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, July 4th in New Castle, CO 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 1.4
Low
9am 3.2
Moderate
10am 5.8
Moderate
11am 8.7
Very High
12pm 11
Extreme
1pm 12
Extreme
2pm 11.2
Extreme
3pm 9.6
Very High
4pm 6.8
High
5pm 4.1
Moderate
6pm 2
Low
7pm 0.7
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, July 5th in New Castle, CO 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 3.1
Moderate
10am 5.6
Moderate
11am 8.2
Very High
12pm 10.2
Very High
1pm 11.2
Extreme
2pm 10.8
Very High
3pm 9.2
Very High
4pm 6.7
High
5pm 4
Moderate
6pm 2
Low
7pm 0.7
Low
8pm 0.1
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, July 6th in New Castle, CO 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