UV Index for Castlewood, SD

Current Castlewood UV Index

0 (Low)

Last Updated 34 minutes ago

Hourly Castlewood UV Index

The hourly Castlewood, SD UV Index forecast for Monday, October 20th, 2025.

5 Day Hourly Castlewood UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in Castlewood, SD has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Castlewood over the next five days will be 2.9 on Wednesday, October 22nd at 1:00 pm.

The UV index forecast for Monday, October 20th in Castlewood, SD is below.

Time UV Index Risk
7am 0
Low
8am 0
Low
9am 0.2
Low
10am 0.4
Low
11am 1
Low
12pm 0.7
Low
1pm 2.4
Low
2pm 2.4
Low
3pm 1.6
Low
4pm 1.2
Low
5pm 0.6
Low
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, October 21st in Castlewood, SD 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
Low
9am 0.1
Low
10am 0.5
Low
11am 0.4
Low
12pm 0.5
Low
1pm 1.8
Low
2pm 2.7
Low
3pm 2.2
Low
4pm 1.4
Low
5pm 0.6
Low
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, October 22nd in Castlewood, SD 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
Low
9am 0.2
Low
10am 0.6
Low
11am 1.4
Low
12pm 2.3
Low
1pm 2.9
Low
2pm 2.9
Low
3pm 2.3
Low
4pm 1.4
Low
5pm 0.6
Low
6pm 0.2
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, October 23rd in Castlewood, SD 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