0 (Low)
Last Updated 52 minutes ago
The hourly South Lancaster, MA UV Index forecast for Thursday, September 18th, 2025.
Last Updated 17 hours ago
The UV index forecast for the next five days in South Lancaster, MA has no days reaching the extreme level and 1 day reaching the high or very high levels. The peak UV intensity in South Lancaster over the next five days will be 6.1 on Saturday, September 20th at 1:00 pm.
The UV index forecast for Thursday, September 18th in South Lancaster, MA is below.
Time | UV Index | Risk |
---|---|---|
8am | 0.2 |
Low |
9am | 0.5 |
Low |
10am | 1.5 |
Low |
11am | 3.6 |
Moderate |
12pm | 4.3 |
Moderate |
1pm | 4.9 |
Moderate |
2pm | 4.8 |
Moderate |
3pm | 3.8 |
Moderate |
4pm | 2.2 |
Low |
5pm | 0.9 |
Low |
6pm | 0.2 |
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 South Lancaster, MA 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 | 1.3 |
Low |
10am | 2.7 |
Low |
11am | 4.2 |
Moderate |
12pm | 5.5 |
Moderate |
1pm | 5.3 |
Moderate |
2pm | 2.6 |
Low |
3pm | 2.3 |
Low |
4pm | 1.5 |
Low |
5pm | 0.9 |
Low |
6pm | 0.2 |
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 South Lancaster, MA 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 | 1.4 |
Low |
10am | 2.9 |
Low |
11am | 4.6 |
Moderate |
12pm | 5.8 |
Moderate |
1pm | 6.1 |
High |
2pm | 5.4 |
Moderate |
3pm | 4 |
Moderate |
4pm | 2.3 |
Low |
5pm | 1 |
Low |
6pm | 0.2 |
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 South Lancaster, MA 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 |