UV Index for Grattan, MI

Current Grattan UV Index

0 (Low)

Last Updated 51 minutes ago

Hourly Grattan UV Index

The hourly Grattan, MI UV Index forecast for Sunday, January 4th, 2026.

5 Day Hourly Grattan UV Index Forecast

Last Updated 17 hours ago

The UV index forecast for the next five days in Grattan, MI has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Grattan over the next five days will be 1.6 on Sunday, January 4th at 12:00 pm.

The UV index forecast for Sunday, January 4th in Grattan, MI is below.

Time UV Index Risk
7am 0
Low
8am 0
Low
9am 0.2
Low
10am 0.6
Low
11am 1.1
Low
12pm 1.6
Low
1pm 1.6
Low
2pm 1.3
Low
3pm 0.7
Low
4pm 0.3
Low
5pm 0
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, January 5th in Grattan, MI 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
Low
12pm 1.4
Low
1pm 1.4
Low
2pm 1.2
Low
3pm 0.6
Low
4pm 0.2
Low
5pm 0
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, January 6th in Grattan, MI 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 0.5
Low
11am 1
Low
12pm 1.2
Low
1pm 1
Low
2pm 0.6
Low
3pm 0.3
Low
4pm 0.1
Low
5pm 0
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, January 7th in Grattan, MI 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