UV Index for Grandfalls, TX

Current Grandfalls UV Index

3 (Moderate)

Last Updated 23 minutes ago

Hourly Grandfalls UV Index

The hourly Grandfalls, TX UV Index forecast for Thursday, February 5th, 2026.

5 Day Hourly Grandfalls UV Index Forecast

Last Updated 3 hours ago

The UV index forecast for the next five days in Grandfalls, TX has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Grandfalls over the next five days will be 5.2 on Friday, February 6th at 1:00 pm.

The UV index forecast for Thursday, February 5th in Grandfalls, TX is below.

Time UV Index Risk
4pm 1.6
Low
5pm 0.5
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, February 6th in Grandfalls, TX 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 0.2
Low
9am 0.8
Low
10am 2
Low
11am 3.6
Moderate
12pm 4.8
Moderate
1pm 5.2
Moderate
2pm 4.6
Moderate
3pm 3.2
Moderate
4pm 1.6
Low
5pm 0.6
Low
6pm 0
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, February 7th in Grandfalls, TX 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 0.2
Low
9am 0.8
Low
10am 1.9
Low
11am 3.6
Moderate
12pm 4.6
Moderate
1pm 3.3
Moderate
2pm 4.5
Moderate
3pm 2.8
Low
4pm 1.3
Low
5pm 0.5
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, February 8th in Grandfalls, TX 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 0.1
Low
9am 0.8
Low
10am 1.6
Low
11am 3
Moderate
12pm 3.9
Moderate
1pm 4
Moderate
2pm 2.5
Low
3pm 1.7
Low
4pm 0.4
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 Monday, February 9th in Grandfalls, TX 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