Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Rounds of rain from Texas to Carolinas may lead to flash floods, drought relief. Click for info. Chevron right
After a soggy & chilly Memorial Day weekend, drier weather will return to the Northeast. Details. Chevron right

Stony Brook, NY

70°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Stony Brook

New York

70°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Stony Brook, NY Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel

For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center

Today Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities
Monday, May 25

Current Weather

6:24 PM

70°F
Mostly cloudy
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel®
71°
RealFeel Shade™
69°
Max UV Index
1.1 (Low)
Wind
WSW 3 mph
Wind Gusts
5 mph
Humidity
77%
Indoor Humidity
77% (Slightly Humid)
Dew Point
62° F
Pressure
↔ 30.03 in
Cloud Cover
76%
Visibility
10 mi
Cloud Ceiling
40000 ft

Day

5/25
71°Hi
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
RealFeel Shade™ 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
Cloudy and humid

Max UV Index3.0 (Moderate)

AccuLumen Brightness Index™2 (Dark)

WindWSW 7 mph

Wind Gusts13 mph

Probability of Precipitation97%

Probability of Thunderstorms1%

Precipitation0.15 in

Rain0.15 in

Hours of Precipitation4.5

Hours of Rain4.5

Cloud Cover81%

Morning

Afternoon

Night

5/25
56°Lo
RealFeel® 54°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
Clouds breaking

WindWNW 6 mph

Wind Gusts8 mph

Probability of Precipitation5%

Probability of Thunderstorms0%

Precipitation0.00 in

Cloud Cover69%

Evening

Overnight

Sun & Moon

14 hrs 45 mins
Rise 5:27 AM
Set 8:12 PM
Waxing Gibbous
Rise 2:55 PM
Set 2:42 AM

Temperature History

5/25
High
Low
Forecast
71°
56°
Average
71°
54°
Last Year
68°
51°
Record
92°
1991
41°
1992

Current Weather Conditions in Stony Brook

Stony Brook, New York is currently Mostly cloudy with a temperature of 70°. The current RealFeel® Temperature is 71° (Pleasant) based on observed conditions including 77% humidity, 76% cloud cover, a UV index of 1, and winds of 3 mph. In shade, the RealFeel Shade™ is 69°. AccuWeather's MinuteCast® provides minute-by-minute precipitation forecasts for Stony Brook, powered by forecasting systems and proprietary technology developed by AccuWeather meteorologists since 1962.

Further Ahead

Hourly

10-Day

Monthly

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Flash flood risk, drought relief to grow from Texas to Carolinas

3 hours ago

Weather News

Magnitude 6.0 earthquake shakes Hawaii’s Big Island; no tsunami threat

9 hours ago

Weather Forecasts

After chilly, soggy holiday weekend, Northeast to turn warmer & drier

5 hours ago

Hurricane

Tropical Atlantic could spring to life at end of May near southeast US

2 hours ago

Astronomy

Blue Moon, 4 planets to shine during the final weekend of May

10 hours ago

More Stories

Featured Stories

Weather News

Australian spearfisher killed in shark attack off Great Barrier Reef

10 hours ago

Live Blog

Sun rises on a hot day in Germany

LATEST ENTRY

Brilliant sunrise in a grain field during Germany heat

8 hours ago

Climate

Rising seas will swallow New Orleans. People need to start relocating ...

9 hours ago

Health

3 Red Cross volunteers among suspected Ebola deaths

10 hours ago

Astronomy

NASA spacecraft captures stunning crescent views of Mars

3 days ago

World North America United States New York Stony Brook

Weather Near Stony Brook:

  • Bridgeport, CT
  • New York, NY
  • Newark, NJ
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...