As of 12:41 PM EDT on October 30, 2025, out of 19 cities in Middlesex County, MA in our database, 10 cities (53%) have a UV Index reading of Moderate, while 9 cities (47%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Cambridge, MA with a reading of 2.9.
Over the next 24 hours, the highest UV Index reading in Middlesex County, MA is expected to be 2.9 in Cambridge between 12:00 PM - 1:00 PM EDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |