Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Stormy stretch ahead with severe weather, flooding downpours. Click for the forecast. Chevron right

Smithtown, NY

90°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Smithtown

New York

90°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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
Smithtown, 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
Heat Advisory

Today's Weather

Sun, Aug 9

Mostly sunny and hot; less humid this afternoon; caution advised if doing strenuous activities outside Hi: 92°

Tonight: Clear and humid Lo: 70°

Current Weather

2:04 PM

90°F
RealFeel® 106°
Sunny More Details
RealFeel Shade™ 98°
Heat Index 100°
Wind WNW 5 mph
Wind Gusts 8 mph
Air Quality Fair

Looking Ahead

Record high temperatures tomorrow

Smithtown Weather Radar

Smithtown Weather Radar
Static Radar Temporarily Unavailable
Thank you for your patience as we work to get everything up and running again.
Refresh Page
Clouds
Temperature

Hourly Weather

3 PM 92°
rain drop 0%
4 PM 91°
rain drop 0%
5 PM 90°
rain drop 0%
6 PM 89°
rain drop 0%
7 PM 87°
rain drop 0%
8 PM 85°
rain drop 0%
9 PM 82°
rain drop 0%
10 PM 79°
rain drop 0%
11 PM 76°
rain drop 0%
12 AM 77°
rain drop 0%
1 AM 77°
rain drop 0%
2 AM 76°
rain drop 0%

10-Day Weather Forecast

Today

8/9

92° 70°

Mostly sunny and hot

Night: Clear and humid

0%

Mon

8/10

91° 73°

Very warm

Humid; a t-storm around early

5%

Tue

8/11

89° 69°

Very warm with sunny spells

Mostly cloudy

9%

Wed

8/12

85° 71°

Sunshine mixing with clouds

Humid with a stray t-storm

14%

Thu

8/13

88° 68°

Warm with a t-storm in spots

Clear

55%

Fri

8/14

84° 63°

Sunshine and less humid

Clear

9%

Sat

8/15

81° 64°

Some sun

Mainly clear

8%

Sun

8/16

79° 67°

Mostly sunny

Partly cloudy

2%

Mon

8/17

81° 64°

A couple of morning showers

A shower early, then showers

55%

Tue

8/18

80° 66°

Mostly sunny

Clear

8%

Sun & Moon

14 hrs 02 mins
Rise 5:57 AM
Set 7:59 PM
Waning Crescent
Rise 1:48 AM
Set 6:03 PM

Air Quality

See More
Air Quality Fair

The air quality is generally acceptable for most individuals. However, sensitive groups may experience minor to moderate symptoms from long-term exposure.

Allergy Outlook

See All
Tree Pollen Low Data is not supported in this location Ragweed Pollen Low Data is not supported in this location Mold Moderate Data is not supported in this location Grass Pollen High Data is not supported in this location Dust & Dander Extreme Data is not supported in this location

Top Stories

Weather News

High fire weather threatens Spokane area after devastating wildfires

2 days ago

Severe Weather

Storms to threaten Midwest, Appalachians with flash flooding

1 hour ago

Weather News

‘Leveled to the ground’: Spokane resident recounts wildfire destructio...

2 days ago

Weather Forecasts

Hazardous air quality, wildfire risk to persist across the Northwest

3 hours ago

Hurricane

Tropics showing signs of life in the Atlantic

4 hours ago

More Stories

Featured Stories

Weather News

Sesame Street takes on extreme weather with new special, family resour...

2 days ago

Astronomy

Perseid meteor shower peaks Wednesday night under ideal conditions

1 hour ago

Weather News

Southwest cities prepare for looming Colorado River cuts

4 days ago

Astronomy

NASA's Curiosity rover's wheels reveal the toll of 14 years on Mars

5 days ago

Recreation

This newly discovered spider looks like it's smiling

3 days ago

World North America United States New York Smithtown

Weather Near Smithtown:

  • 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

...

...

...