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A break from the deep freeze is on the way for the Central and East. See the forecast. Chevron right

Port Jefferson, OH

4°F
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Port Jefferson

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Port Jefferson, OH Weather
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 Daily Radar MinuteCast® Monthly Air Quality Health & Activities

8 AM

2°
RealFeel® -17°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
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rain drop 0%
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Cloudy
alerts

Cold Weather Advisory

7:00 PM Saturday - 11:00 AM Monday

RealFeel Shade™-17°

WindSSW 13 mph

Air QualityPoor

Max UV Index0.2 (Low)

Wind Gusts15 mph

Humidity97%

Indoor Humidity17% (Extremely Dry)

Dew Point1° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling17100 ft

9 AM

4°
RealFeel® -15°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Cloudy
alerts

Cold Weather Advisory

7:00 PM Saturday - 11:00 AM Monday

RealFeel Shade™-15°

WindSSW 14 mph

Air QualityPoor

Max UV Index0.6 (Low)

Wind Gusts17 mph

Humidity86%

Indoor Humidity17% (Extremely Dry)

Dew Point1° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling18300 ft

10 AM

7°
RealFeel® -12°
Frigid
RealFeel Guide
Frigid
-24° to -11°
Caution advised. Frostbite to exposed skin within 8 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
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Intermittent clouds
alerts

Cold Weather Advisory

7:00 PM Saturday - 11:00 AM Monday

RealFeel Shade™-14°

WindSSW 15 mph

Air QualityPoor

Max UV Index1.3 (Low)

Wind Gusts21 mph

Humidity83%

Indoor Humidity18% (Extremely Dry)

Dew Point3° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling22200 ft

11 AM

11°
RealFeel® -7°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™-10°

WindSSW 16 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts23 mph

Humidity76%

Indoor Humidity19% (Extremely Dry)

Dew Point4° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

14°
RealFeel® -3°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™-6°

WindSSW 17 mph

Air QualityFair

Max UV Index1.9 (Low)

Wind Gusts25 mph

Humidity68%

Indoor Humidity20% (Very Dry)

Dew Point5° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

16°
RealFeel® 0°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™-3°

WindSSW 16 mph

Air QualityFair

Max UV Index1.8 (Low)

Wind Gusts25 mph

Humidity65%

Indoor Humidity21% (Very Dry)

Dew Point6° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

18°
RealFeel® 2°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™0°

WindSSW 16 mph

Air QualityFair

Max UV Index1.5 (Low)

Wind Gusts24 mph

Humidity63%

Indoor Humidity22% (Very Dry)

Dew Point8° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

20°
RealFeel® 3°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™1°

WindSSW 16 mph

Air QualityFair

Max UV Index1.0 (Low)

Wind Gusts23 mph

Humidity63%

Indoor Humidity23% (Very Dry)

Dew Point9° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

21°
RealFeel® 4°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™4°

WindSSW 16 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts20 mph

Humidity63%

Indoor Humidity24% (Very Dry)

Dew Point10° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

20°
RealFeel® 3°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

RealFeel Shade™3°

WindSSW 15 mph

Air QualityFair

Max UV Index0.0 (Low)

Wind Gusts18 mph

Humidity67%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover74%

Visibility10 mi

Cloud Ceiling23700 ft

6 PM

20°
RealFeel® 3°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Cloudy

WindSW 14 mph

Air QualityFair

Wind Gusts17 mph

Humidity70%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover90%

Visibility10 mi

Cloud Ceiling23700 ft

7 PM

20°
RealFeel® 4°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 13 mph

Air QualityFair

Wind Gusts17 mph

Humidity70%

Indoor Humidity25% (Very Dry)

Dew Point11° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

20°
RealFeel® 6°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 12 mph

Air QualityPoor

Wind Gusts16 mph

Humidity71%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

20°
RealFeel® 8°
Bitterly Cold
RealFeel Guide
Bitterly Cold
-10° to 9°
Caution advised. Frostbite to exposed skin within 15 minutes. Hypothermia likely without protective clothing.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 10 mph

Air QualityPoor

Wind Gusts15 mph

Humidity71%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

20°
RealFeel® 10°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSW 9 mph

Air QualityPoor

Wind Gusts13 mph

Humidity71%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

20°
RealFeel® 11°
Very Cold
RealFeel Guide
Very Cold
10° to 24°
Caution advised. Older adults, infants, and those with sensitive medical conditions, should be well dressed to protect from hypothermia and frostbite. Coat, hat, gloves and a scarf are appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSW 8 mph

Air QualityPoor

Wind Gusts13 mph

Humidity72%

Indoor Humidity25% (Very Dry)

Dew Point12° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

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World North America United States Ohio Port Jefferson

Weather Near Port Jefferson:

  • Dayton, OH
  • Kettering, OH
  • Springfield, OH
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