1.9 (Low)
Last Updated 17 minutes ago
The hourly Billerica, MA UV Index forecast for Thursday, September 18th, 2025.
Last Updated 2 hours ago
The UV index forecast for the next five days in Billerica, MA has no days reaching the extreme level and no days reaching the high or very high levels. The peak UV intensity in Billerica over the next five days will be 5.9 on Saturday, September 20th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Billerica, MA is below.
| Time | UV Index | Risk |
|---|---|---|
| 5pm | 0.8 |
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 Friday, September 19th in Billerica, 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 | 4.3 |
Moderate |
| 12pm | 5.4 |
Moderate |
| 1pm | 5.6 |
Moderate |
| 2pm | 4.7 |
Moderate |
| 3pm | 3.6 |
Moderate |
| 4pm | 2.1 |
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 Billerica, 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 | 4.5 |
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 Sunday, September 21st in Billerica, 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 | 4.3 |
Moderate |
| 12pm | 5.3 |
Moderate |
| 1pm | 5.4 |
Moderate |
| 2pm | 4.5 |
Moderate |
| 3pm | 3.3 |
Moderate |
| 4pm | 1.9 |
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 Monday, September 22nd in Billerica, 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 |