UV Index for Old Greenwich, CT

Current Old Greenwich UV Index

0 (Low)

Last Updated 41 minutes ago

Hourly Old Greenwich UV Index

The hourly Old Greenwich, CT UV Index forecast for Monday, June 16th, 2025.

5 Day Hourly Old Greenwich UV Index Forecast

Last Updated 11 hours ago

The UV index forecast for the next five days in Old Greenwich, CT has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Old Greenwich over the next five days will be 3.8 on Wednesday, June 18th at 1:00 pm.

The UV index forecast for Monday, June 16th in Old Greenwich, CT is below.

Time UV Index Risk
2am 0
Low
3am 0
Low
4am 0
Low
5am 0
Low
6am 0
Low
7am 0.1
Low
8am 0.3
Low
9am 0.4
Low
10am 0.8
Low
11am 1.9
Low
12pm 1.6
Low
1pm 1.9
Low
2pm 1.8
Low
3pm 1.6
Low
4pm 1.2
Low
5pm 0.9
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 Tuesday, June 17th in Old 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 1.1
Low
10am 2.1
Low
11am 1.9
Low
12pm 2.6
Low
1pm 1.3
Low
2pm 0.4
Low
3pm 0.3
Low
4pm 0.3
Low
5pm 0.2
Low
6pm 0.1
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Wednesday, June 18th in Old 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 0.2
Low
9am 1.3
Low
10am 2
Low
11am 2.4
Low
12pm 3.4
Moderate
1pm 3.8
Moderate
2pm 2.9
Low
3pm 2.2
Low
4pm 1.6
Low
5pm 1
Low
6pm 0.7
Low
7pm 0.3
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Thursday, June 19th in Old 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 0.1
Low
7am 0.6
Low
8am 1.6
Low