Holtsville, NY

Right Now
43°
Clear
  • Humidity: 87%
  • Feels Like: 39°
  • Heat Index: 43°
  • Wind: 6 mph
  • Wind Chill: 39°
  • UV Index: 4 Moderate
  • Sunrise: 07:08:21 AM
  • Sunset: 06:05:26 PM
  • Dew Point: 39°
  • Visibility: 10 mi

Today

Abundant sunshine. High 67F. Winds WNW at 10 to 20 mph.

Tonight

Generally clear. Low 53F. Winds W at 10 to 15 mph.

Tomorrow

Partly cloudy skies. High near 75F. Winds W at 10 to 20 mph.

Next 12 Hours

Time
Temp
Precip
6 AM
43°
1%
6 AM
43°

Wind: WNW @ 6mph

Precip: 1% Chance

Humidity: 86%

Wind Chill: 39°

Heat Index: 43°

UV Index: 0 Low

Visibility: 10 mi

7 AM
44°
1%
7 AM
44°

Wind: WNW @ 7mph

Precip: 1% Chance

Humidity: 86%

Wind Chill: 40°

Heat Index: 44°

UV Index: 0 Low

Visibility: 10 mi

8 AM
47°
1%
8 AM
47°

Wind: WNW @ 8mph

Precip: 1% Chance

Humidity: 81%

Wind Chill: 43°

Heat Index: 47°

UV Index: 0 Low

Visibility: 10 mi

9 AM
52°
1%
9 AM
52°

Wind: WNW @ 12mph

Precip: 1% Chance

Humidity: 66%

Wind Chill: 48°

Heat Index: 52°

UV Index: 1 Low

Visibility: 10 mi

10 AM
56°
0%
10 AM
56°

Wind: WNW @ 14mph

Precip: 0% Chance

Humidity: 58%

Wind Chill: 52°

Heat Index: 56°

UV Index: 2 Low

Visibility: 10 mi

11 AM
58°
0%
11 AM
58°

Wind: WNW @ 14mph

Precip: 0% Chance

Humidity: 54%

Wind Chill: 55°

Heat Index: 58°

UV Index: 3 Moderate

Visibility: 10 mi

12 PM
60°
0%
12 PM
60°

Wind: WNW @ 15mph

Precip: 0% Chance

Humidity: 52%

Wind Chill: 57°

Heat Index: 60°

UV Index: 4 Moderate

Visibility: 10 mi

1 PM
62°
0%
1 PM
62°

Wind: W @ 16mph

Precip: 0% Chance

Humidity: 47%

Wind Chill: 60°

Heat Index: 62°

UV Index: 4 Moderate

Visibility: 10 mi

2 PM
64°
0%
2 PM
64°

Wind: W @ 16mph

Precip: 0% Chance

Humidity: 45%

Wind Chill: 62°

Heat Index: 64°

UV Index: 3 Moderate

Visibility: 10 mi

3 PM
65°
0%
3 PM
65°

Wind: W @ 16mph

Precip: 0% Chance

Humidity: 43%

Wind Chill: 64°

Heat Index: 65°

UV Index: 2 Low

Visibility: 10 mi

4 PM
65°
0%
4 PM
65°

Wind: W @ 16mph

Precip: 0% Chance

Humidity: 43%

Wind Chill: 65°

Heat Index: 65°

UV Index: 1 Low

Visibility: 10 mi

5 PM
65°
0%
5 PM
65°

Wind: W @ 14mph

Precip: 0% Chance

Humidity: 44%

Wind Chill: 64°

Heat Index: 65°

UV Index: 0 Low

Visibility: 10 mi

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