UV Index for Jamesburg, NJ

Current Jamesburg UV Index

0.5 (Low)

Last Updated 33 minutes ago

Hourly Jamesburg UV Index

The hourly Jamesburg, NJ UV Index forecast for Thursday, September 18th, 2025.

5 Day Hourly Jamesburg UV Index Forecast

Last Updated 19 hours ago

The UV index forecast for the next five days in Jamesburg, NJ has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Jamesburg over the next five days will be 6.3 on Saturday, September 20th at 1:00 pm.

The UV index forecast for Thursday, September 18th in Jamesburg, NJ is below.

Time UV Index Risk
10am 0.9
Low
11am 3
Moderate
12pm 5.5
Moderate
1pm 4.5
Moderate
2pm 4.7
Moderate
3pm 4.3
Moderate
4pm 2.4
Low
5pm 0.9
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Friday, September 19th in Jamesburg, NJ 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 0.4
Low
9am 1.2
Low
10am 2.6
Low
11am 4.3
Moderate
12pm 5.7
Moderate
1pm 6.2
High
2pm 5.6
Moderate
3pm 4.3
Moderate
4pm 2.6
Low
5pm 1.2
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Saturday, September 20th in Jamesburg, NJ 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 0.4
Low
9am 1.2
Low
10am 2.7
Low
11am 4.4
Moderate
12pm 5.8
Moderate
1pm 6.3
High
2pm 5.7
Moderate
3pm 4.3
Moderate
4pm 2.6
Low
5pm 1.2
Low
6pm 0.3
Low
7pm 0
Low
8pm 0
Low
9pm 0
Low
10pm 0
Low
11pm 0
Low

The UV index forecast for Sunday, September 21st in Jamesburg, NJ 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 0.4
Low