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Heat dome to bring 90 to 100-degree temps. See when the heat will peak.

'Extreme' fire risk grips the West amid winds, low humidity. Click for details.

Smithtown, NY

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Smithtown, NY Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 PM

79°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

69%

Showers

RealFeel Shade™76°

Heat Index80°

WindSW 7 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts9 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility6 mi

Cloud Ceiling4000 ft

4 PM

78°

RealFeel® 76°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

69%

Showers

RealFeel Shade™74°

WindSSW 8 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts9 mph

Humidity63%

Indoor Humidity63% (Humid)

Dew Point65° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover100%

Rain0.05 in

Visibility10 mi

Cloud Ceiling9500 ft

5 PM

78°

RealFeel® 78°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

40%

Cloudy

RealFeel Shade™77°

WindSSW 8 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts9 mph

Humidity65%

Indoor Humidity65% (Humid)

Dew Point65° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling7000 ft

6 PM

77°

RealFeel® 77°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Cloudy

RealFeel Shade™77°

WindSSW 7 mph

Air QualityFair

Max UV Index0.8 (Low)

Wind Gusts9 mph

Humidity67%

Indoor Humidity67% (Humid)

Dew Point65° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover91%

Visibility10 mi

Cloud Ceiling7000 ft

7 PM

75°

RealFeel® 75°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

40%

Cloudy

RealFeel Shade™75°

WindSSW 7 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts8 mph

Humidity71%

Indoor Humidity71% (Humid)

Dew Point65° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7000 ft

8 PM

73°

RealFeel® 71°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

49%

Showers

RealFeel Shade™71°

WindSSW 7 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts8 mph

Humidity77%

Indoor Humidity77% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Rain0.01 in

Visibility10 mi

Cloud Ceiling7000 ft

9 PM

72°

RealFeel® 72°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

47%

Cloudy

WindS 7 mph

Air QualityFair

Wind Gusts7 mph

Humidity81%

Indoor Humidity81% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7100 ft

10 PM

71°

RealFeel® 71°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

40%

Cloudy

WindS 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity87%

Indoor Humidity87% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7100 ft

11 PM

69°

RealFeel® 69°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

34%

Cloudy

WindSSW 6 mph

Air QualityFair

Wind Gusts6 mph

Humidity92%

Indoor Humidity92% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover94%

Visibility10 mi

Cloud Ceiling7100 ft

Hourly Weather Forecast for Smithtown

AccuWeather's hourly forecast for Smithtown provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 79° with a RealFeel® of 78°, showers with a 69% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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