Locust Valley, NY Weather Forecast & Alerts

Current conditions, 5-day forecast, and active NWS weather alerts for Locust Valley, NY.

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Current Conditions — Locust Valley, NY

WHITE PLAINS (KHPN)

Cloudy

48.2 F
Humidity:71%
Wind Speed: 6.9 mph
Barometer:30.11 in
Dewpoint:39.2 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:45.1 F
Apr 26 2026, 11:20 AM EDT
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5-Day Forecast — Locust Valley, NY

Sunday

High 57 °F
Mostly Cloudy
Sunday
Night
Low 44 °F
Mostly Clear
Monday

High 64 °F
Mostly Sunny
Monday
Night
Low 46 °F
Mostly Clear
Tuesday

High 64 °F
Partly Sunny
Tuesday
Night
Low 48 °F
Rain
Wednesday

High 60 °F
Chance of Rain Showers
Wednesday
Night
Low 48 °F
Rain
Thursday

High 59 °F
Rain Showers Likely

Detailed Forecast — Locust Valley, NY

Sunday
Mostly Cloudy. High near 57°F. Wind 8 to 13 mph, with gusts as high as 18 mph.
Sunday Night
Mostly Clear. Low around 44°F. Wind 6 to 7 mph, with gusts as high as 10 mph.
Monday
Mostly Sunny. High near 64°F. Wind 8 to 9 mph, with gusts as high as 14 mph.
Monday Night
Mostly Clear. Low around 46°F. Wind 6 to 8 mph, with gusts as high as 12 mph.
Tuesday
Partly Sunny. High near 64°F. Wind 6 to 9 mph, with gusts as high as 14 mph.
Tuesday Night
Rain. Low around 48°F. Wind 6 to 8 mph, with gusts as high as 12 mph.
Wednesday
Chance of Rain Showers. High near 60°F. Wind 6 to 10 mph, with gusts as high as 14 mph.
Wednesday Night
Rain. Low around 48°F. Wind 6 to 9 mph, with gusts as high as 13 mph.
Thursday
Rain Showers Likely. High near 59°F. Wind 6 to 10 mph, with gusts as high as 14 mph.
Thursday Night
Chance of Rain. Low around 46°F. Wind 15 to 17 mph, with gusts as high as 21 mph.
Friday
Mostly Cloudy. High near 57°F. Wind around 18 mph, with gusts as high as 24 mph.
Friday Night
Slight Chance of Rain. Low around 44°F. Wind 12 to 18 mph, with gusts as high as 21 mph.
Saturday
Chance of Rain Showers. High near 57°F. Wind 10 to 13 mph, with gusts as high as 17 mph.
NY Radar
Current Radar • NY
Day 1 Outlook • April 26, 2026

Observation History — Locust Valley, NY

Time Wind
(mph)		 Vis
(mi)		 Weather Precip (in) Temperature (F) Relative
Humidity		 Wind
Chill
(F)		 Heat
Index
(F)		 Pressure
Air Dwpt altimeter
(in)		 sea level
(mb)
11:20 AM EDT 6.9 10.00 Cloudy -- 48.2 39.2 71% 45.1 NA 30.11 1019.6
11:10 AM EDT E 9.2 10.00 Cloudy -- 48.2 39.2 71% 44.1 NA 30.11 1019.6
11:05 AM EDT NE 9.2 10.00 Cloudy -- 48.2 39.2 71% 44.1 NA 30.11 1019.6
10:45 AM EDT NE 10.4 G 16.1 10.00 Mostly Cloudy -- 48.2 39.2 71% 43.7 NA 30.11 1019.6
10:35 AM EDT 8.1 10.00 Mostly Cloudy -- 48.2 39.2 71% 44.6 NA 30.11 1019.6
10:00 AM EDT NE 9.2 10.00 Cloudy -- 46.4 37.4 71% 41.9 NA 30.10 1019.3
09:35 AM EDT 4.6 10.00 Cloudy -- 46.4 39.2 76% 44.2 NA 30.10 1019.3
09:30 AM EDT 4.6 10.00 Cloudy -- 44.6 37.4 76% 42.1 NA 30.10 1019.3
09:20 AM EDT 8.1 10.00 Cloudy -- 44.6 39.2 81% 40.1 NA 30.10 1019.3
09:10 AM EDT 6.9 10.00 Cloudy -- 44.6 39.2 81% 40.6 NA 30.09 1019.0
09:05 AM EDT NE 6.9 10.00 Cloudy -- 44.6 39.2 81% 40.6 NA 30.09 1019.0
09:00 AM EDT 5.7 10.00 Cloudy -- 44.6 39.2 81% 41.4 NA 30.09 1019.0
08:50 AM EDT 4.6 10.00 Cloudy -- 42.8 39.2 87% 40.1 NA 30.09 1019.0
08:40 AM EDT NE 6.9 10.00 Cloudy -- 42.8 39.2 87% 38.5 NA 30.09 1019.0
08:35 AM EDT 6.9 10.00 Cloudy -- 42.8 39.2 87% 38.5 NA 30.09 1019.0
08:25 AM EDT NE 6.9 10.00 Cloudy -- 42.8 39.2 87% 38.5 NA 30.09 1019.0
08:20 AM EDT NE 5.7 10.00 Cloudy -- 42.8 39.2 87% 39.2 NA 30.09 1019.0
08:05 AM EDT 6.9 10.00 Cloudy -- 42.8 39.2 87% 38.5 NA 30.08 1018.6
08:00 AM EDT 4.6 10.00 Cloudy -- 42.8 39.2 87% 40.1 NA 30.08 1018.6
07:50 AM EDT NE 5.7 10.00 Cloudy -- 42.8 39.2 87% 39.2 NA 30.08 1018.6
07:45 AM EDT 4.6 10.00 Cloudy -- 42.8 39.2 87% 40.1 NA 30.08 1018.6
07:35 AM EDT 6.9 10.00 Cloudy -- 42.8 39.2 87% 38.5 NA 30.07 1018.3
07:30 AM EDT 4.6 10.00 Cloudy -- 42.8 39.2 87% 40.1 NA 30.07 1018.3
07:20 AM EDT 3.4 10.00 Cloudy -- 41.0 39.2 93% 39.0 NA 30.07 1018.3

Regional Weather Observation

WHITE PLAINS (KHPN)

Cloudy
48.2 F

FARMINGDALE (KFRG)

Cloudy
46.4 F

NYC/LA GUARDIA (KLGA)

Mostly Cloudy
48.2 F

NYC/JFK ARPT (KJFK)

Cloudy
46.0 F

NYC/CENTRAL PARK (KNYC)

Cloudy
48.0 F

ISLIP (KISP)

Cloudy
46.4 F
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