Mount Sinai, NY Weather Forecast & Conditions

Good MorningCurrently Fair

Mount Sinai, NY

Brookhaven Weather StationCHANGE

61°Fair--/64°

HOURLY

Today4 AM63° 2%WSW 1mph

5 AM63° 2%W 1mph

6 AM64° 2%WSW 0mph

7 AM69° 2%WNW 0mph

8 AM72° 2%NW 1mph

9 AM74° 2%NNE 2mph

10 AM76° 1%SE 3mph

11 AM79° 1%S 4mph

12 PM80° 0%S 5mph

1 PM82° 0%S 5mph

2 PM82° 8%S 6mph

3 PM82° 14%S 8mph

MORE

RIGHT NOW

Feels like61°

SUNRISE5:51 AM

SUNSET8:04 PM

Humidity:97%

Wind:CALM 0 mph

UV index:0

Barometer:30.04

7 DAY FORECAST

Tuesday

--/64°

Fair

Wednesday

84°/74°

Partly Cloudy 13%

Thursday

87°/75°

Partly Cloudy 15%

Friday

88°/73°

Scattered Thunderstorms 53%

Saturday

88°/74°

Partly Cloudy 24%

Sunday

89°/73°

Partly Cloudy 9%

Monday

89°/73°

Mostly Sunny 14%

Mount Sinai, NY Weather Forecast & Conditions

Long Island weather

Wednesday, August 5

Possible evening shower but heaviest rain done, flash flood risks over for LI Monday

Morning fog should burn away to reveal sunshine Tuesday.

Showers, thunderstorms and rough surf forecast for LI

First in NewsdayHochul appeals Trump's denial of blizzard aid

'A very bad tick year'

Leftover storms, showers fall on LI Wednesday

Nassau, Western Suffolk expected to see flooding

This summer isn't breaking heat records — yet. Wait until El Nino kicks in, scientists say

With parts of the globe aflame in wildfires, deadly heat waves parking over cities, record hot oceans and a strengthening super El Nino, it seems like we're baking through the hottest year on record.

Sri Lanka closes schools as floods and mudslides triggered by heavy rains kill 7

Europe's hot, dry summer takes its toll with fires in France and Greece, and drought in the UK

Ethiopia landslide kills 14 at monastery ritual, search continues for missing

Record low Danube levels push some countries in Eastern Europe to the brink of energy emergency

All 10 climbers swept away in avalanche in Pakistan are confirmed dead

Dry, hot summers are putting Dutch dikes at risk and threatening German river trade

Heat wave brings record-breaking temps, heightened wildfire risk to parts of Western US

Fishing closures are becoming routine as record heat warms rivers in the US West

Record-low Danube River affects tourism and industry as drought and heat grip Central Europe

UN, scientists warn that strong El Nino will add fuel to 'a planet already on fire'

Human-caused climate change made Spanish, French fires much more likely, scientists calculate

As France tames wildfire and lets 84,000 evacuees go home, blazes flare across Europe

Prague zoo keeps polar bears cool with ice cubes as European summer heatwave hits

Monsoon rains trigger house collapse in Lahore, killing 9 family members

Southern Europe burns as 3 firefighters die and France battles blaze 4 times the size of Paris

The Latest: Fire crews in southwest France battle massive blaze as they face extreme temperatures

Tropical Storm Fausto to splash past Hawaii as Hurricane Genevieve sends swells to Mexico

France orders 4,000 more evacuated as fires displace a third of a million across southwest Europe

Powerful tornado leaves widespread damage in Wisconsin but time of day may have saved lives

Major Hurricane Genevieve roars in the Pacific as Fausto weakens to a tropical storm near Hawaii

Pakistan monsoon death toll tops 100 in a month as more heavy rain forecast

French president pledges support on visit to fire zone, vows: 'We will win this battle together'

Wisconsin tornado causes extensive damage and cuts power to thousands of homes

NOAA report finds Gulf of Maine warming slowed for now, but ecosystem remains unstable

What to know about the historic wildfires in France and Spain

French wildfire created a monster cloud, unleashing lightning that ignited more fires

Sweltering heat wave grips central and southern US for a second straight day

Genevieve becomes a major Pacific hurricane off Mexico, but no direct threat to land is forecast

Typhoon Noul weakens after making landfall, brings heavy rain to southern China

Hurricane Genevieve moves through the Pacific off Mexico, but no direct threat to land is forecast

Typhoon Noul makes landfall in southern China, with over 700,000 evacuated and flights canceled

Oregon fire looms near town as fourth firefighter dies weeks after Colorado blaze

Heat dome expands across the central United States, creating dangerous conditions for millions

Water hauling is the new chore no rancher asked for

11 European tourists and 1 local rescued after speedboat sinks in Indonesia. Boat captain missing

Oregon firefighters brace for windy and hot weather as they battle dozens of blazes

Tropical Storm Genevieve forms in the Pacific Ocean as Hurricane Fausto strengthens to Category 2

More than 200,000 people flee raging wildfires in France and Spain, some escaping by boat

At least 50 people killed and 700,000 displaced by India floods after monsoon rains

Tropical Storm Bertha weakens after bringing strong winds and heavy surf to Louisiana and Texas

2 dead in flash floods caused by heavy rain in West Virginia, governor's office says

Firefighters battle one of Spain's biggest-ever wildfires during heat wave across the Mediterranean

Tropical Storm Bertha makes landfall on southern Louisiana with threatening winds

National Guard deploys as flash floods in West Virginia inundate homes and businesses

Florida researchers bring endangered elkhorn coral ashore to protect them

France recorded 5,700 more deaths than usual during its historic June heat wave

Tropical Storm Bertha is expected to bring heavy rain, flooding along the Gulf Coast

Weeklong rainstorms in Chile blamed on El Nino kill at least 10 and trigger flash floods

Rescuers in Afghanistan search for scores missing after floods kill at least 23

Tropical Storm Bertha drifts toward land as Hurricane Fausto forms in the eastern Pacific

Flash floods kill at least 20 in Afghanistan and leave more than 100 missing

How to keep babies safe when temperatures soar

Tropical Storm Fausto forms off Mexico's Pacific as tropical depression swirls in Gulf of Mexico

Thunderstorms will clear wildfire smoke from Northeast ahead of World Cup final, meteorologists say

Rescuers race to find survivors in the rain after a landslide in China kills at least 8

Texas floods have left high waters and a big cleanup job after hundreds of people are rescued

Uncertainty clouds the forecast on whether wildfire smoke will affect the World Cup final

Latin American governments prepare for El Nino as drought, floods and heat loom

Europe's early heat wave led to a spike in deaths, may have killed over 10,000

Texas flash floods leave at least 2 dead in region devastated a year ago

Weather conditions again brought devastating floods to a vulnerable swath of Texas

What living in one of the world's hottest towns feels like

Tropical Storm Elida forms in the Pacific Ocean and poses no threat to land as it strengthens

Flooding forces evacuations in parts of South Texas as slow-moving storms swamp the region

Distance debate at this British Open is how far the golf ball goes on the ground

Texas is drenched by heavy rains as forecasters warn that more storms could bring dangerous floods

Tropical depression forms far offshore of Mexico and is forecast to strengthen

Heavy rain collapses roof and kills 11 people in northwest Pakistan

Fire in Fontainebleau forest near Paris triggers evacuations; 10 still missing in Spanish wildfire

Typhoon Bavi weakens but still brings strong winds and rain to China

Philadelphia area digs out from damage left by a severe series of microburst storms

Hundreds of firefighters battle wildfire in southern Spain that killed at least 12

Long Islanders Favorites

First in NewsdaySuffolk agrees to refund drivers $45M for illegal red light camera fees

The county would repay drivers up to $36 — the $30 fee plus $6 interest.

MORE ON THIS TOPICHow to get your red light camera ticket fee refund Suffolk charged drivers $91 million in extra red light camera fees Suffolk red light camera program set to end

Only in Newsday12 LI school districts had cash reserves beyond the legal limit in 2025-26

Giunta's Meat Farms buying King Kullen supermarket chain

Backlash to LIRR ticket policy drives down rider satisfaction

Top Stories

Heat and humidity make World Cup quarterfinal challenge for Norway, England even tougher

Missouri flooding leaves one dead, while rescuers helicopter more than 200 to safety at summer camp

Dangerous heat wave threatens oppressive temperatures in much of the US

Typhoon Bavi makes landfall in eastern China as more than 1 million are evacuated

Rapidly growing wildfire in Los Angeles County prompts evacuations in remote high desert

Wildfire devastates an expat community in southern Spain, killing at least 12 with 23 missing

ENVIRONMENT & CLIMATE CHANGE

How to avoid contracting tularemia

01:04

'It's just a place that has contamination throughout'

01:51

DEC to test groundwater around LI battery plant fire site

0:41

'It's impacting our way of life'

01:58

'They're coming to visit more often'

01:46

'This happened two years ago as well, and it seems to be happening with increasing frequency'

02:44

'Continues to be a game changer'

01:34

'We've got to invest in those types of things'

02:09

'It's important to know where the rare wildlife is'

01:30

'Constant rhythm of storms'

01:28

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