As of 2:17 PM CDT on September 29, 2026, out of 5 cities in Johnson County, NE in our database, 3 cities (60%) have a UV Index reading of Moderate, while 2 cities (40%) have a UV Index reading of Low. The city with the highest UV Index reading right now is Tecumseh, NE with a reading of 3.
Over the next 24 hours, the highest UV Index reading in Johnson County, NE is expected to be 3 in Tecumseh between 2:00 PM - 3:00 PM CDT today.
| Range | 0 - 2 | 3 - 5 | 6 - 7 | 8 - 10 | 11+ |
|---|---|---|---|---|---|
| Color | |||||
| Risk | Low | Moderate | High | Very High | Extreme |