0 (Low)
Last Updated 42 minutes ago
The hourly Harwinton, CT UV Index forecast for Thursday, September 18th, 2025.
Last Updated 13 hours ago
The UV index forecast for the next five days in Harwinton, CT has no days reaching the extreme level and 2 days reaching the high or very high levels. The peak UV intensity in Harwinton over the next five days will be 6.2 on Saturday, September 20th at 1:00 pm.
The UV index forecast for Thursday, September 18th in Harwinton, CT is below.
Time | UV Index | Risk |
---|---|---|
4am | 0 |
Low |
5am | 0 |
Low |
6am | 0 |
Low |
7am | 0 |
Low |
8am | 0.1 |
Low |
9am | 0.4 |
Low |
10am | 0.9 |
Low |
11am | 1.6 |
Low |
12pm | 2.8 |
Low |
1pm | 5.5 |
Moderate |
2pm | 5.3 |
Moderate |
3pm | 4 |
Moderate |
4pm | 2.4 |
Low |
5pm | 1 |
Low |
6pm | 0.3 |
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 Harwinton, CT 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 | 0.3 |
Low |
9am | 1.2 |
Low |
10am | 2.6 |
Low |
11am | 4.2 |
Moderate |
12pm | 5.6 |
Moderate |
1pm | 6 |
High |
2pm | 5.4 |
Moderate |
3pm | 4 |
Moderate |
4pm | 2.4 |
Low |
5pm | 1 |
Low |
6pm | 0.3 |
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 Harwinton, CT 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 | 2.8 |
Low |
11am | 4.5 |
Moderate |
12pm | 5.8 |
Moderate |
1pm | 6.2 |
High |
2pm | 5.6 |
Moderate |
3pm | 4.2 |
Moderate |
4pm | 2.4 |
Low |
5pm | 1 |
Low |
6pm | 0.3 |
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 Harwinton, CT 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 |