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Smithtown, NY

73°F
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Smithtown

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73°
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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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5 AM

71°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 70%
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Showers

WindSSW 12 mph

Air QualityFair

Wind Gusts17 mph

Humidity83%

Indoor Humidity83% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover99%

Rain0.03 in

Visibility10 mi

Cloud Ceiling14700 ft

6 AM

70°
RealFeel® 69°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 49%
Chevron down
Cloudy

WindSSW 12 mph

Air QualityFair

Wind Gusts16 mph

Humidity85%

Indoor Humidity85% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Visibility10 mi

Cloud Ceiling12100 ft

7 AM

70°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 63%
Chevron down
Showers

RealFeel Shade™66°

WindSW 13 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts15 mph

Humidity89%

Indoor Humidity89% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover100%

Rain0.01 in

Visibility10 mi

Cloud Ceiling7000 ft

8 AM

76°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 39%
Chevron down
Mostly cloudy

RealFeel Shade™76°

WindWSW 14 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts24 mph

Humidity75%

Indoor Humidity75% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover75%

Visibility10 mi

Cloud Ceiling9300 ft

9 AM

77°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 42%
Chevron down
Mostly cloudy w/ showers

RealFeel Shade™74°

WindWSW 14 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts23 mph

Humidity73%

Indoor Humidity73% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover64%

Rain0.01 in

Visibility10 mi

Cloud Ceiling7000 ft

10 AM

80°
RealFeel® 82°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 38%
Chevron down
Intermittent clouds

RealFeel Shade™79°

Heat Index82°

WindWSW 14 mph

Air QualityFair

Max UV Index3.0 (Moderate)

Wind Gusts22 mph

Humidity69%

Indoor Humidity69% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover54%

Visibility10 mi

Cloud Ceiling23100 ft

11 AM

81°
RealFeel® 85°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 34%
Chevron down
Partly sunny

RealFeel Shade™81°

Heat Index84°

WindW 14 mph

Air QualityFair

Max UV Index4.3 (Moderate)

Wind Gusts22 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

83°
RealFeel® 87°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 34%
Chevron down
Partly sunny

RealFeel Shade™83°

Heat Index86°

WindW 14 mph

Air QualityFair

Max UV Index5.2 (Moderate)

Wind Gusts23 mph

Humidity61%

Indoor Humidity61% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover36%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

85°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 29%
Chevron down
Mostly sunny

RealFeel Shade™84°

Heat Index88°

WindW 14 mph

Air QualityFair

Max UV Index5.8 (High)

Wind Gusts23 mph

Humidity57%

Indoor Humidity57% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover28%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

85°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 20%
Chevron down
Mostly sunny

RealFeel Shade™85°

Heat Index88°

WindW 10 mph

Air QualityFair

Max UV Index5.2 (Moderate)

Wind Gusts17 mph

Humidity54%

Indoor Humidity54% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover19%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

86°
RealFeel® 90°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 20%
Chevron down
Mostly sunny

RealFeel Shade™85°

Heat Index89°

WindWNW 10 mph

Air QualityFair

Max UV Index4.3 (Moderate)

Wind Gusts18 mph

Humidity51%

Indoor Humidity51% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

86°
RealFeel® 88°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 20%
Chevron down
Sunny

RealFeel Shade™84°

Heat Index88°

WindWNW 10 mph

Air QualityFair

Max UV Index3.2 (Moderate)

Wind Gusts18 mph

Humidity51%

Indoor Humidity51% (Humid)

Dew Point66° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

85°
RealFeel® 86°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 20%
Chevron down
Mostly sunny

RealFeel Shade™83°

Heat Index87°

WindWNW 10 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts18 mph

Humidity52%

Indoor Humidity52% (Humid)

Dew Point65° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

84°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 20%
Chevron down
Mostly sunny

RealFeel Shade™82°

Heat Index85°

WindWNW 9 mph

Air QualityFair

Max UV Index1.2 (Low)

Wind Gusts16 mph

Humidity54%

Indoor Humidity54% (Humid)

Dew Point65° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

81°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 18%
Chevron down
Partly sunny

RealFeel Shade™81°

Heat Index83°

WindW 8 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts13 mph

Humidity59%

Indoor Humidity59% (Humid)

Dew Point66° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover45%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

79°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 15%
Chevron down
Intermittent clouds

Heat Index80°

WindW 7 mph

Air QualityFair

Wind Gusts10 mph

Humidity66%

Indoor Humidity66% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

76°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 15%
Chevron down
Mostly cloudy

WindWNW 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity71%

Indoor Humidity71% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover78%

Visibility10 mi

Cloud Ceiling26400 ft

10 PM

74°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 19%
Chevron down
Mostly cloudy

WindNW 6 mph

Air QualityFair

Wind Gusts8 mph

Humidity75%

Indoor Humidity75% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover86%

Visibility10 mi

Cloud Ceiling22700 ft

11 PM

75°
RealFeel® 74°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 35%
Chevron down
Cloudy

WindNW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity73%

Indoor Humidity73% (Humid)

Dew Point65° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling19100 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 71° with a RealFeel® of 67°, showers with a 70% 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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