Port Jefferson, NY Weather Forecast & Conditions
Good afternoonCurrently Fair
HOURLY
46° 1%NW 10mph
46° 1%NW 8mph
45° 2%NW 6mph
42° 2%NNW 3mph
40° 2%NNW 3mph
39° 2%NW 2mph
38° 2%N 1mph
36° 5%ENE 1mph
36° 6%ESE 1mph
35° 6%E 0mph
35° 6%E 1mph
35° 6%ESE 2mph
MORE+
RIGHT NOW
Feels like43°
SUNRISE
SUNSET
Humidity:66%
Wind:NNW 13 mph
UV index:1
Barometer:30.08
7 DAY FORECAST
46°/33°
Sunny 2%
49°/40°
PM Showers 71%
44°/39°
PM Rain 93%
44°/30°
AM Showers 52%
41°/33°
Mostly Sunny 1%
45°/38°
Mostly Sunny 2%
46°/31°
Cloudy 9%
Port Jefferson, NY Weather Forecast & Conditions
Emergency alerts sent in southwest England as UK braces for big storm
Britain is bracing for potentially life-threatening winds, rains and snowfall as a severe storm headed in from the southwest of England during what already has been one of the country's worst cold snaps in years.
2m read
Snow and ice ground flights and choke highways in parts of Europe
2m read
Winter storms bring snow, ice and school and road closures to New England. More bad weather's coming
1m read
Snow and ice wreak havoc across Europe, causing deadly accidents and travel chaos
3m read
Flash floods in Indonesia kill at least 16 people and sweep away homes
1m read
A snowmobiler dies after an avalanche in California's Sierra Nevada
Rain continues in parts of California reeling from flooding and high tides
1m read
Why home maintenance deserves a spot in the annual health and budget plans
3m read
Heavy rain, high tides cause flooding along stretch of Northern California
1m read
LI weather: Below average temps Saturday with chance of snow
Forecast: Below-average temperatures through Monday with chance of light weekend snow
Fast-moving snow squalls create dangerous LI road conditions
1m read
Flash floods triggered by heavy rains in Afghanistan kill at least 17 people
1m read
Rain soaks Rose Parade in California and snow squalls hit Midwest and Northeast on first day of 2026
1m read
Nasty weather on tap for New Year fetes at Rose Parade in California and revelers in New York City
1m read
Midwest hit with more extreme cold after winter storm
3m read
Snow likely for start of 2026
1m read
California needs more snow accumulation to bolster 2026 water supplies, officials say
1m read
Roses in the rain? New Year's Day parade in Pasadena gets wet forecast. Bundle up for NYC ball drop
1m read
Winter storm packing snow and strong winds to descend on Great Lakes and Northeast
2m read
A bomb cyclone brings blizzards to the Midwest before turning east
3m read
Rain could be an unwelcome entry at the Rose Parade on New Year's Day. Bundle up for NYC ball drop
1m read
2025 was one of three hottest years on record, scientists say
3m read
Sharp drop in LI temperatures expected into New Year's holiday
1m read
How bomb cyclones form and create dangerous conditions
1m read
A power outage can turn dangerous fast. Here's how to prepare
4m read
Can you dig it?
Hungary's 'water guardian' farmers fight back against desertification
3m read
Winter storm sweeps across US with snow, ice and severe weather
2m read
Rain in Long Island's Monday forecast
1m read
'I just fell and it was really fun!'
Can you dig it?
Black ice warning in effect following snowstorm, weather officials say
2m read
Winter storm snarls holiday travel across US Northeast, Great Lakes
2m read
Chilly Gaza braces for more winter rain and word of any progress in ceasefire talks
3m read
How to protect your pipes, pets and yourself when temps turn frigid
3m read
California's intense winter storms turned some roads into rivers of mud
2m read
Follow these tips to prepare and stay safe for LI snowstorms
2m read
Up to 9 inches of snow possible Friday into Saturday
2m read
Snow headed for LI
New storm hitting waterlogged Southern California could bring mudslides and high surf
2m read
Christmas Day rescue: Police save LI boy, 8, from icy pond
Powerful holiday storm lashes Southern California and brings flash floods, mudslides
4m read
California drivers warned to reconsider Christmas travel plans ahead of storms
2m read
LI could see accumulating snowfall later this week
1m read
Nor'easter's first signs could appear Saturday night, with Sunday into Monday worst impact
1m read
Strong rain, wind forecast for weekend
Wintry mix impacting LI travel
Wintry mix will make for messy Tuesday commute
1m read
Dry Monday set to give way to messy Tuesday
Flash flooding in northern California leads to soaked roads, water rescues and 1 death
1m read
What's an atmospheric river? AP explains the weather phenomenon
1m read
Solstice marks arrival of winter; mild forecast for Christmas
1m read
Dry, seasonably cool weekend in store as LI recovers from Friday storm
1m read
Storm causes headaches across LI
Sri Lanka tea workers struggle in poverty. Flooding cost many their lives
4m read
Forecasters issue rare weather warning as strong gusts fuel wildfire threats in Colorado
3m read
Warm weather and low snowpack bedevil Western ski resorts
2m read
Hypothermia claims newborn in Gaza and more babies are at risk, doctor says
2m read
Strong winds, rain to hit LI early Friday
1m read
Hurricane-force wind downs power lines, fans wildfires in Colorado with more on way
2m read
Heavy rain, winds forecast for Thursday and into Friday
1m read
College Football Playoff picks: Sooners, Aggies, Rebels and Ducks should advance to quarterfinals
2m read
Trump administration moves to dissolve national climate research lab in Colorado
2m read
Damage from record flooding in Washington state is profound, with more on the way, governor says
2m read
2 people and a dog rescued from frigid waters off Shelter Island
1m read
Gaza families struggle to recover from days of torrential rains that killed 12 people
3m read
Manhasset road to be stabilized 13 years after Superstorm Sandy damage
2m read
Bitter cold sticks around on LI before midweek warmup
1m read
Crews use sandbags to shore up levee breach near Seattle after failure prompts flood warning
2m read
See photos from LI's first snowstorm of the season
Weekend storm drops heavy snow around Northeast as Pacific Northwest braces for more rain
1m read
Arctic air mass pushes to the U.S. South; Midwest also bracing for dangerous wind chills
3m read
Long Islanders' Favorites
At least 6 new supermarkets opening on LI this year
3m read
Fewer LI students get top scores on English Regents exam. What's driving the decline?
5m read
President Donald Trump's impact on Long Island
Top Stories
LI could get up to 5 inches of snow this weekend
1m read
Rain changing into snow
Too soon for snow? Forecaster says this weekend's snowfall won't even 'crack the Top 20 in terms of early'
1m read
Historic rains and flooding trigger dramatic rescues in Washington state
3m read
Record floods in Washington state trigger dramatic rescues and evacuations
3m read
Tens of thousands ordered to flee flooding after torrential rain in Pacific Northwest
3m read
