0.9 (Low)
Last Updated 58 minutes ago
The hourly Westborough, MA UV Index forecast for Tuesday, September 16th, 2025.
Last Updated 3 hours ago
The UV index forecast for the next five days in Westborough, MA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Westborough over the next five days will be 5.9 on Friday, September 19th at 1:00 pm.
The UV index forecast for Tuesday, September 16th in Westborough, MA is below.
| Time | UV Index | Risk |
|---|---|---|
| 6pm | 0.2 |
Low |
| 7pm | 0 |
Low |
| 8pm | 0 |
Low |
| 9pm | 0 |
Low |
| 10pm | 0 |
Low |
| 11pm | 0 |
Low |
The UV index forecast for Wednesday, September 17th in Westborough, 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 | 2.6 |
Low |
| 11am | 3.7 |
Moderate |
| 12pm | 5 |
Moderate |
| 1pm | 5.7 |
Moderate |
| 2pm | 5.2 |
Moderate |
| 3pm | 3.5 |
Moderate |
| 4pm | 2.1 |
Low |
| 5pm | 0.8 |
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 Thursday, September 18th in Westborough, 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 | 2.5 |
Low |
| 11am | 3.9 |
Moderate |
| 12pm | 5 |
Moderate |
| 1pm | 4.9 |
Moderate |
| 2pm | 5 |
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 Westborough, 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 | 2.8 |
Low |
| 11am | 4.4 |
Moderate |
| 12pm | 5.6 |
Moderate |
| 1pm | 5.9 |
Moderate |
| 2pm | 5.2 |
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 Saturday, September 20th in Westborough, 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 |