UV Index for St. Clair, MO

Current St. Clair UV Index

0.4 (Low)

Last Updated 14 minutes ago

Hourly St. Clair UV Index

The hourly St. Clair, MO UV Index forecast for Saturday, October 25th, 2025.

5 Day Hourly St. Clair UV Index Forecast

Last Updated 1 hour ago

The UV index forecast for the next five days in St. Clair, MO has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in St. Clair over the next five days will be 2.8 on Tuesday, October 28th at 1:00 pm.

The UV index forecast for Saturday, October 25th in St. Clair, MO is below.

Time UV Index Risk
3pm 0.6
Low
4pm 0.5
Low
5pm 0.2
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, October 26th in St. Clair, MO 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
Low
10am 0.1
Low
11am 0.2
Low
12pm 0.2
Low
1pm 0.2
Low
2pm 0.2
Low
3pm 0.2
Low
4pm 0.2
Low
5pm 0.1
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Monday, October 27th in St. Clair, MO 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 0.2
Low
11am 0.4
Low
12pm 0.9
Low
1pm 1
Low
2pm 0.6
Low
3pm 0.6
Low
4pm 0.3
Low
5pm 0.1
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, October 28th in St. Clair, MO 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 0.1
Low
11am 0.4
Low
12pm 2.4
Low
1pm 2.8
Low
2pm 1.4
Low
3pm 0.8
Low
4pm 0.3
Low
5pm 0.1
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, October 29th in St. Clair, MO 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