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Holtsville, NY Hourly Weather

Hourly forecast · Holtsville

The next 48 hours in detail — temperature, feels-like, precipitation chance, wind and UV for every hour. Built on NWS NBM and global model guidance.

48 hours — Holtsville

Today + 10-day →
Time Conditions Temp Precip Wind UV
Saturday 29/8
20:00
Sunny 70° 5 mph S 0
21:00
Sunny 67° 4 mph S 0
22:00
Sunny 66° 6 mph SW 0
23:00
Sunny 65° 6 mph S 0
Sunday 30/8
00:00
Mostly cloudy 63° 7 mph SW 0
01:00
Sunny 70° 7 mph SW 0
02:00
Sunny 70° 6 mph SW 0
03:00
Mostly cloudy 70° 7 mph SW 0
04:00
Partly cloudy 70° 8 mph SW 0
05:00
Sunny 69° 7 mph SW 0
06:00
Sunny 69° 7 mph SW 0
07:00
Partly cloudy 70° 8 mph SW 0
08:00
Sunny 72° 8 mph W 1
09:00
Partly cloudy 74° 8 mph W 2
10:00
Partly cloudy 77° 9 mph SW 2
11:00
Mostly cloudy 78° 9 mph SW 5
12:00
Mostly cloudy 77° 12 mph SW 7
13:00
Sunny 77° 12 mph SW 7
14:00
Sunny 78° 13 mph SW 7
15:00
Sunny 78° 13 mph SW 5
16:00
Partly cloudy 77° 14 mph S 3
17:00
Sunny 76° 13 mph S 1
18:00
Partly cloudy 76° 15 mph SW 0
19:00
Mostly cloudy 75° 15 mph SW 0
20:00
Partly cloudy 75° 15 mph SW 0
21:00
Partly cloudy 75° 14 mph SW 0
22:00
Mostly cloudy 75° 14 mph SW 0
23:00
Partly cloudy 74° 15 mph SW 0
Monday 31/8
00:00
Mostly cloudy 74° 14 mph SW 0
01:00
Mostly cloudy 74° 13 mph SW 0
02:00
Partly cloudy 75° 13 mph SW 0
03:00
Showers 74° 0.04 in 12 mph W 0
04:00
Showers 74° 0.01 in 10 mph W 0
05:00
Partly cloudy 74° 10 mph W 0
06:00
Partly cloudy 74° 0.01 in 5 mph NW 0
07:00
Mostly cloudy 74° 7 mph NW 0
08:00
Partly cloudy 74° 0.01 in 5 mph N 1
09:00
Mostly cloudy 74° 2 mph NE 1
10:00
Mostly cloudy 76° 3 mph NW 3
11:00
Mostly cloudy 77° 5 mph NW 5
12:00
Partly cloudy 76° 0.00 in 9 mph NW 7
13:00
Mostly cloudy 73° 8 mph NW 7
14:00
Mostly cloudy 74° 6 mph NW 6
15:00
Mostly cloudy 78° 8 mph NW 5
16:00
Mostly cloudy 76° 8 mph NW 3
17:00
Mostly cloudy 78° 8 mph NW 1
18:00
Partly cloudy 78° 7 mph NW 1
19:00
Mostly cloudy 77° 5 mph NW 0
Hourly
How the hourly forecast is made
Hour-by-hour numbers come from NOAA's National Blend of Models combined with ECMWF and GFS guidance, bias-corrected against nearby station observations and refreshed every hour.
Powered by NWS/NOAA guidance, multi-model forecasts and official environmental feeds · NOAA/NWS · EPA AirNow · MET Norway · global models
Updated: 8:54 PM