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BREAKING: Tropical Storm Arthur forms, will make landfall in hours. Click for the forecast. Chevron right

Union, SC

84°F
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Union, SC Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Today Local Arthur Tracker

Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

View hourly forecasts 10-days ahead

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Local Hurricane Tracker
Arthur
Thu, 6/18, 4:00 PM - Fri, 6/19, 8:00 PM

2 PM

86°
RealFeel® 96°
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 0%
Chevron down
Partly sunny

RealFeel Shade™85°

Heat Index87°

WindSW 6 mph

Air QualityFair

Max UV Index10.8 (Extreme)

Wind Gusts14 mph

Humidity46%

Indoor Humidity46% (Humid)

Dew Point63° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover48%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

87°
RealFeel® 93°
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 0%
Chevron down
Partly sunny

RealFeel Shade™84°

Heat Index87°

WindSW 7 mph

Air QualityFair

Max UV Index8.0 (Very High)

Wind Gusts17 mph

Humidity43%

Indoor Humidity43% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

87°
RealFeel® 91°
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 0%
Chevron down
Partly sunny

RealFeel Shade™85°

Heat Index87°

WindWSW 8 mph

Air QualityFair

Max UV Index5.0 (Moderate)

Wind Gusts20 mph

Humidity43%

Indoor Humidity43% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

5 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 0%
Chevron down
Partly sunny

RealFeel Shade™84°

Heat Index87°

WindWSW 8 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts21 mph

Humidity44%

Indoor Humidity44% (Slightly Humid)

Dew Point62° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

85°
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 0%
Chevron down
Partly sunny

RealFeel Shade™83°

Heat Index85°

WindWSW 8 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts20 mph

Humidity48%

Indoor Humidity48% (Humid)

Dew Point63° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

83°
RealFeel® 83°
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 0%
Chevron down
Partly sunny

RealFeel Shade™82°

Heat Index84°

WindSW 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts17 mph

Humidity53%

Indoor Humidity53% (Humid)

Dew Point64° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

80°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™79°

Heat Index82°

WindSW 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts16 mph

Humidity59%

Indoor Humidity59% (Humid)

Dew Point65° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

77°
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSW 6 mph

Air QualityFair

Wind Gusts15 mph

Humidity69%

Indoor Humidity69% (Humid)

Dew Point66° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover7%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

74°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSW 6 mph

Air QualityFair

Wind Gusts15 mph

Humidity78%

Indoor Humidity78% (Very Humid)

Dew Point67° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover14%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly clear

WindSSW 7 mph

Air QualityFair

Wind Gusts16 mph

Humidity82%

Indoor Humidity82% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover21%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Union

AccuWeather's hourly forecast for Union provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 86° with a RealFeel® of 96°, partly sunny with a 0% 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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