UV Index for Jefferson, MN

Current Jefferson UV Index

0 (Low)

Last Updated 30 minutes ago

Hourly Jefferson UV Index

The hourly Jefferson, MN UV Index forecast for Monday, August 18th, 2025.

5 Day Hourly Jefferson UV Index Forecast

Last Updated 7 hours ago

The UV index forecast for the next five days in Jefferson, MN has no days reaching the extreme level and 3 days reaching the high or very high levels. The peak UV intensity in Jefferson over the next five days will be 8.4 on Thursday, August 21st at 1:00 pm.

The UV index forecast for Monday, August 18th in Jefferson, MN is below.

Time UV Index Risk
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Tuesday, August 19th in Jefferson, MN 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 0.6
Low
9am 1.3
Low
10am 3.2
Moderate
11am 5.4
Moderate
12pm 7
High
1pm 7.7
High
2pm 7.3
High
3pm 5.8
Moderate
4pm 4
Moderate
5pm 2.2
Low
6pm 0.9
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, August 20th in Jefferson, MN 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 0.8
Low
9am 2
Low
10am 3.8
Moderate
11am 5.9
Moderate
12pm 7.5
High
1pm 8.2
Very High
2pm 7.8
High
3pm 6.4
High
4pm 4.3
Moderate
5pm 2.4
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 Thursday, August 21st in Jefferson, MN 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 0.8
Low
9am 2
Low
10am 4
Moderate
11am 6
High
12pm 7.7
High
1pm 8.4
Very High
2pm 8
Very High
3pm 6.4
High
4pm 4.4
Moderate
5pm 2.4
Low
6pm 0.9
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, August 22nd in Jefferson, MN 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 0.1
Low