UV Index Today in McKinney, Texas (TX)

Wednesday, November 4, 2026 -11:15 AM CST (GMT-6)

The UV Index in McKinney, Texas (TX) right now is 3.2. This reading was last updated at 11:00 AM CST, about 15 minutes ago. The UV Index at12:00 PM CST, in about 44 minutes from now, is expected to be 4.2.

The maximum UV Index today in McKinney is expected to be 4.2 at 12:00 PM CST,44 minutes from now. The maximum UV Index tomorrow is expected to be 4.6 at 12:00 PM CST.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

November 4
4.2
12:00 PM CST
Moderate

Tomorrow

November 5
4.6
12:00 PM CST
Moderate

UV Index Today Hourly

November 4

Based on the latest forecast, McKinney, Texas (TX) will see a peak UV Index of 4.2today around 12:00 PM CST, which is classified as Moderate risk.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PMCentral Standard Time (CST, GMT-6)Now: 11:15 AM00.20.92.13.24.24.13.320.90.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

November 5

The sun will be strongest in McKinney, Texas (TX) around 12:00 PM CST tomorrow, with a UV Index of 4.6 (Moderate risk).

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PMCentral Standard Time (CST, GMT-6)00.312.43.84.64.63.62.20.90.20
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

November 3, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.3
Low
9:00 AM1
Low
10:00 AM2.2
Low
11:00 AM3.4
Moderate
12:00 PM4.2
Moderate
1:00 PM4.3
Moderate
2:00 PM3.4
Moderate
3:00 PM2.1
Low
4:00 PM0.8
Low
5:00 PM0.2
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

November 4, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.2
Low
9:00 AM0.9
Low
10:00 AM2.1
Low
11:00 AM3.2
Moderate
12:00 PM4.2
Moderate
1:00 PM4.1
Moderate
2:00 PM3.3
Moderate
3:00 PM2
Low
4:00 PM0.9
Low
5:00 PM0.2
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

November 5, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.3
Low
9:00 AM1
Low
10:00 AM2.4
Low
11:00 AM3.8
Moderate
12:00 PM4.6
Moderate
1:00 PM4.6
Moderate
2:00 PM3.6
Moderate
3:00 PM2.2
Low
4:00 PM0.9
Low
5:00 PM0.2
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

November 6, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.2
Low
9:00 AM0.7
Low
10:00 AM1.4
Low
11:00 AM2.5
Moderate
12:00 PM4
Moderate
1:00 PM4.5
Moderate
2:00 PM3.6
Moderate
3:00 PM2.2
Low
4:00 PM0.9
Low
5:00 PM0.2
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

November 7, 2026

TimeUV IndexRisk
12:00 AM0
Low
1:00 AM0
Low
2:00 AM0
Low
3:00 AM0
Low
4:00 AM0
Low
5:00 AM0
Low
6:00 AM0
Low
7:00 AM0
Low
8:00 AM0.2
Low
9:00 AM0.9
Low
10:00 AM1.9
Low
11:00 AM3.1
Moderate
12:00 PM3.9
Moderate
1:00 PM3.4
Moderate
2:00 PM2.8
Moderate
3:00 PM1.7
Low
4:00 PM0.7
Low
5:00 PM0.1
Low
6:00 PM0
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low
Data Source: National Oceanic and Atmospheric Administration (NOAA)

Nearby Places

Maximum UV Index Today
  • Frisco - 4.2
  • Plano - 4.4
Data Source: National Oceanic and Atmospheric Administration (NOAA)