Holtsville, NY

43°

Partly Cloudy

H: 31°|L: 51°
🕐HOURLY FORECAST

10 PM

☁️

40°F

💧 0%

Partly Cloudy

11 PM

☁️

38°F

💧 0%

Partly Cloudy

12 AM

☁️

37°F

💧 0%

Partly Cloudy

1 AM

🌙

37°F

💧 0%

Mostly Clear

2 AM

🌙

36°F

💧 0%

Mostly Clear

3 AM

🌙

35°F

💧 0%

Mostly Clear

4 AM

🌙

33°F

💧 0%

Mostly Clear

5 AM

🌙

31°F

💧 0%

Mostly Clear

6 AM

☀️

31°F

💧 0%

Sunny

🗓️ 10-Day Forecast

TodayApr 20
⛅Overcast💧 28%
52°
32°
TueApr 21
⛅Overcast💧 10%
49°
32°
WedApr 22
🌦️Drizzle💧 35%
48°
40°
ThuApr 23
⛅Overcast💧 2%
69°
43°
FriApr 24
🌦️Drizzle💧 9%
60°
46°
SatApr 25
🌦️Drizzle💧 34%
49°
44°
SunApr 26
⛅Overcast💧 34%
60°
42°
MonApr 27
⛅Overcast💧 20%
55°
43°
TueApr 28
⛅Mostly Clear💧 39%
57°
41°
WedApr 29
⛅Overcast💧 36%
52°
42°
43Good
US Air Quality Index

Air quality is satisfactory, and air pollution poses little or no risk.

3.7PM2.5 µg/m³
3.9PM10 µg/m³
82.0O₃ µg/m³
8.9NO₂ µg/m³
0Low
World Health Organization UVI

Tonight

Mostly Clear  • Lo: 31°

Mostly clear, with a low around 31. North wind 6 to 10 mph, with gusts as high as 21 mph.

Tuesday

Sunny  • Hi: 51°

Sunny. High near 51, with temperatures falling to around 48 in the afternoon. North wind around 7 mph.