UV Index for Greenwich, CT

Current Greenwich UV Index

0 (Low)

Last Updated 42 minutes ago

Hourly Greenwich UV Index

The hourly Greenwich, CT UV Index forecast for Thursday, May 1st, 2025.

5 Day Hourly Greenwich UV Index Forecast

Last Updated 16 hours ago

The UV index forecast for the next five days in Greenwich, CT has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Greenwich over the next five days will be 7.8 on Thursday, May 1st at 12:00 pm.

The UV index forecast for Thursday, May 1st in Greenwich, CT is below.

Time UV Index Risk
7am 0.3
Low
8am 1
Low
9am 2.4
Low
10am 4.4
Moderate
11am 6.4
High
12pm 7.8
High
1pm 2.2
Low
2pm 7.1
High
3pm 6.1
High
4pm 4.1
Moderate
5pm 2.1
Low
6pm 0.6
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, May 2nd in Greenwich, CT 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
8am 0.4
Low
9am 1
Low
10am 2
Low
11am 4
Moderate
12pm 7
High
1pm 7.3
High
2pm 6.9
High
3pm 5.1
Moderate
4pm 3.1
Moderate
5pm 1.7
Low
6pm 0.8
Low
7pm 0.2
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, May 3rd in Greenwich, CT 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 1.2
Low
10am 0.9
Low
11am 0.4
Low
12pm 0.5
Low
1pm 0.8
Low
2pm 0.8
Low
3pm 2.6
Low
4pm 2
Low
5pm 0.8
Low
6pm 0.4
Low
7pm 0.1
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, May 4th in Greenwich, CT 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 0.3
Low
8am 1
Low