UV Index Today in St. Paul, Minnesota (MN)

Sunday, September 20, 2026 -11:23 AM CDT (GMT-5)

The UV Index in St. Paul, Minnesota (MN) right now is 3.4. This reading was last updated at 11:00 AM CDT, about 23 minutes ago. The UV Index at12:00 PM CDT, in about 36 minutes from now, is expected to be 3.8.

The maximum UV Index today in St. Paul is expected to be 3.8 at 12:00 PM CDT,36 minutes from now. The maximum UV Index tomorrow is expected to be 4.5 at 1:00 PM CDT.

Data Source: National Oceanic and Atmospheric Administration (NOAA)

Today

September 20
3.8
12:00 PM CDT
Moderate

Tomorrow

September 21
4.5
1:00 PM CDT
Moderate

UV Index Today Hourly

September 20

UV Index today for St. Paul, Minnesota (MN) reaches 3.8 at 12:00 PM CDT, representingModerate risk.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMCentral Daylight Time (CDT, GMT-5)Now: 11:23 AM00.20.92.13.43.82.93.53.82.31.10.40
Data Source: National Oceanic and Atmospheric Administration (NOAA)

UV Index Tomorrow Hourly

September 21

The UV Index for St. Paul, Minnesota (MN) peaks at 4.5 tomorrow at 1:00 PM CDT, classified as Moderate risk.

02468107 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PMCentral Daylight Time (CDT, GMT-5)00.20.71.73.14.24.52.51.60.70.30.10
Data Source: National Oceanic and Atmospheric Administration (NOAA)

5 Day UV Index Forecast

September 19, 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
Low
9:00 AM0.1
Low
10:00 AM0.2
Low
11:00 AM0.3
Low
12:00 PM0.6
Low
1:00 PM0.7
Low
2:00 PM1.2
Low
3:00 PM0.8
Low
4:00 PM0.5
Low
5:00 PM0.3
Low
6:00 PM0.1
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 20, 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 AM3.4
Moderate
12:00 PM3.8
Moderate
1:00 PM2.9
Moderate
2:00 PM3.5
Moderate
3:00 PM3.8
Moderate
4:00 PM2.3
Low
5:00 PM1.1
Low
6:00 PM0.4
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 21, 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 AM1.7
Low
11:00 AM3.1
Moderate
12:00 PM4.2
Moderate
1:00 PM4.5
Moderate
2:00 PM2.5
Moderate
3:00 PM1.6
Low
4:00 PM0.7
Low
5:00 PM0.3
Low
6:00 PM0.1
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 22, 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 AM0.8
Low
10:00 AM1.9
Low
11:00 AM3.3
Moderate
12:00 PM4.5
Moderate
1:00 PM5.1
Moderate
2:00 PM4.9
Moderate
3:00 PM3.9
Moderate
4:00 PM2.5
Moderate
5:00 PM1.2
Low
6:00 PM0.4
Low
7:00 PM0
Low
8:00 PM0
Low
9:00 PM0
Low
10:00 PM0
Low
11:00 PM0
Low

September 23, 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 AM0.8
Low
10:00 AM1.9
Low
11:00 AM3.2
Moderate
12:00 PM4.4
Moderate
1:00 PM5
Moderate
2:00 PM4.8
Moderate
3:00 PM3.8
Moderate
4:00 PM2.4
Low
5:00 PM1.2
Low
6:00 PM0.4
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
  • Minneapolis - 4.6
Data Source: National Oceanic and Atmospheric Administration (NOAA)