UV Index for Old Greenwich, CT

Current Old Greenwich UV Index

0 (Low)

Last Updated 9 minutes ago

Hourly Old Greenwich UV Index

The hourly Old Greenwich, CT UV Index forecast for Friday, November 14th, 2025.

5 Day Hourly Old Greenwich UV Index Forecast

Last Updated 12 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 2 on Friday, November 14th at 12:00 pm.

The UV index forecast for Friday, November 14th 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
Low
8am 0.2
Low
9am 0.7
Low
10am 1.3
Low
11am 1.8
Low
12pm 2
Low
1pm 1.8
Low
2pm 1.2
Low
3pm 0.5
Low
4pm 0.2
Low
5pm 0
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, November 15th 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
Low
8am 0.2
Low
9am 0.5
Low
10am 0.6
Low
11am 1
Low
12pm 0.8
Low
1pm 0.4
Low
2pm 1
Low
3pm 0.5
Low
4pm 0.1
Low
5pm 0
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, November 16th 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
Low
8am 0
Low
9am 0.5
Low
10am 1
Low
11am 0.6
Low
12pm 0.4
Low
1pm 1.8
Low
2pm 1.2
Low
3pm 0.6
Low
4pm 0.2
Low
5pm 0
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, November 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
Low