Brookhaven, NY Weather Forecast & Alerts

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

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Current Conditions — Brookhaven, NY

BROOKHAVEN (KHWV)

Clear

60.8 F
Humidity:36%
Wind Speed: 8.1 mph
Barometer:30.11 in
Dewpoint:33.8 F
Visibility:10.00 mi
Precip:--
Heat Index:NA
Wind Chill:NA
Apr 28 2026, 04:00 PM EDT
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5-Day Forecast — Brookhaven, NY

Tuesday

High 64 °F
Mostly Cloudy
Tuesday
Night
Low 42 °F
Mostly Cloudy
Wednesday

High 59 °F
Overcast
Wednesday
Night
Low 46 °F
Rain
Thursday

High 59 °F
Rain Showers
Thursday
Night
Low 42 °F
Partly Cloudy
Friday

High 59 °F
Mostly Sunny
Friday
Night
Low 41 °F
Partly Cloudy
Saturday

High 57 °F
Slight Chance of Rain Showers

Detailed Forecast — Brookhaven, NY

Tuesday
Mostly Cloudy. High near 64°F. Wind 2 to 6 mph, with gusts as high as 9 mph.
Tuesday Night
Mostly Cloudy. Low around 42°F. Wind 1 to 2 mph, with gusts as high as 7 mph.
Wednesday
Overcast. High near 59°F. Wind 2 to 8 mph, with gusts as high as 13 mph.
Wednesday Night
Rain. Low around 46°F. Wind 5 to 7 mph, with gusts as high as 14 mph.
Thursday
Rain Showers. High near 59°F. Wind 6 to 12 mph, with gusts as high as 20 mph.
Thursday Night
Partly Cloudy. Low around 42°F. Wind 7 to 8 mph, with gusts as high as 18 mph.
Friday
Mostly Sunny. High near 59°F. Wind 9 to 12 mph, with gusts as high as 21 mph.
Friday Night
Partly Cloudy. Low around 41°F. Wind 1 to 6 mph, with gusts as high as 13 mph.
Saturday
Slight Chance of Rain Showers. High near 57°F. Wind 1 to 10 mph, with gusts as high as 16 mph.
Saturday Night
Slight Chance of Rain. Low around 41°F. Wind around 5 mph, with gusts as high as 12 mph.
Sunday
Partly Sunny. High near 59°F. Wind 6 to 12 mph, with gusts as high as 20 mph.
Sunday Night
Partly Cloudy. Low around 44°F. Wind 3 to 6 mph, with gusts as high as 12 mph.
Monday
Slight Chance of Showers. High near 60°F. Wind 6 to 13 mph, with gusts as high as 21 mph.
NY Radar
Current Radar • NY
Day 1 Outlook • April 28, 2026

Observation History — Brookhaven, 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)
04:00 PM EDT 8.1 10.00 Clear -- 60.8 33.8 36% NA NA 30.11 1019.6
03:45 PM EDT S 6.9 10.00 Clear -- 60.8 33.8 36% NA NA 30.13 1020.3
03:40 PM EDT S 8.1 10.00 Clear -- 60.8 33.8 36% NA NA 30.13 1020.3
03:35 PM EDT S 8.1 10.00 Clear -- 60.8 33.8 36% NA NA 30.13 1020.3
03:30 PM EDT 8.1 10.00 Clear -- 60.8 33.8 36% NA NA 30.13 1020.3
03:25 PM EDT S 8.1 10.00 Clear -- 60.8 33.8 36% NA NA 30.13 1020.3
03:20 PM EDT 9.2 10.00 Clear -- 60.8 33.8 36% NA NA 30.14 1020.7
03:10 PM EDT S 6.9 10.00 Clear -- 60.8 33.8 36% NA NA 30.14 1020.7
03:05 PM EDT S 9.2 10.00 Clear -- 59.0 33.8 39% NA NA 30.14 1020.7
03:00 PM EDT S 9.2 10.00 Clear -- 59.0 33.8 39% NA NA 30.15 1021.0
02:50 PM EDT 10.4 10.00 Clear -- 59.0 33.8 39% NA NA 30.15 1021.0
02:45 PM EDT S 9.2 10.00 Clear -- 60.8 33.8 36% NA NA 30.15 1021.0
02:35 PM EDT S 10.4 10.00 Clear -- 60.8 33.8 36% NA NA 30.15 1021.0
02:30 PM EDT S 9.2 10.00 Clear -- 60.8 33.8 36% NA NA 30.15 1021.0
02:25 PM EDT 9.2 10.00 Clear -- 60.8 35.6 39% NA NA 30.15 1021.0
02:20 PM EDT 9.2 10.00 Clear -- 60.8 35.6 39% NA NA 30.15 1021.0
02:10 PM EDT S 9.2 10.00 Clear -- 62.6 35.6 36% NA NA 30.15 1021.0
02:05 PM EDT 9.2 10.00 Clear -- 62.6 35.6 36% NA NA 30.15 1021.0
01:50 PM EDT 6.9 10.00 Clear -- 62.6 35.6 36% NA NA 30.16 1021.3
01:45 PM EDT 8.1 10.00 Clear -- 62.6 35.6 36% NA NA 30.16 1021.3
01:35 PM EDT 10.4 10.00 Clear -- 60.8 35.6 39% NA NA 30.17 1021.7
01:30 PM EDT S 9.2 10.00 Clear -- 62.6 35.6 36% NA NA 30.17 1021.7
01:25 PM EDT S 10.4 10.00 Clear -- 60.8 35.6 39% NA NA 30.17 1021.7
01:15 PM EDT S 10.4 10.00 Clear -- 60.8 35.6 39% NA NA 30.17 1021.7

Regional Weather Observation

BROOKHAVEN (KHWV)

Clear
60.8 F

ISLIP (KISP)

Clear
59.0 F

WESTHAMPTON BEAC (KFOK)

Clear
59.0 F

BRIDGEPORT (KBDR)

Clear
62.6 F

FARMINGDALE (KFRG)

Clear
60.8 F

NEW HAVEN/TWEED (KHVN)

Clear
62.6 F
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