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Union, MO

86°F
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Union

Missouri

86°
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Union, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 PM

86°
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 14%
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Intermittent clouds

RealFeel Shade™86°

Heat Index89°

WindNNE 8 mph

Air QualityPoor

Max UV Index5.7 (High)

Wind Gusts14 mph

Humidity54%

Indoor Humidity54% (Very Humid)

Dew Point68° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling19100 ft

4 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 18%
Chevron down
Intermittent clouds

RealFeel Shade™86°

Heat Index88°

WindNNE 8 mph

Air QualityPoor

Max UV Index3.2 (Moderate)

Wind Gusts14 mph

Humidity58%

Indoor Humidity58% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover67%

Visibility10 mi

Cloud Ceiling15100 ft

5 PM

84°
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 43%
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Intermittent clouds

RealFeel Shade™86°

Heat Index88°

WindNNE 7 mph

Air QualityPoor

Max UV Index2.6 (Moderate)

Wind Gusts12 mph

Humidity60%

Indoor Humidity60% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover64%

Visibility10 mi

Cloud Ceiling20100 ft

6 PM

83°
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 47%
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Intermittent clouds

RealFeel Shade™86°

Heat Index87°

WindNE 7 mph

Air QualityPoor

Max UV Index2.0 (Low)

Wind Gusts10 mph

Humidity63%

Indoor Humidity63% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover57%

Visibility10 mi

Cloud Ceiling25000 ft

7 PM

78°
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 51%
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Partly sunny w/ t-storms

RealFeel Shade™81°

Heat Index80°

WindNE 7 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts8 mph

Humidity85%

Indoor Humidity85% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover45%

Rain0.08 in

Visibility5 mi

Cloud Ceiling30000 ft

8 PM

80°
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 2%
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Partly sunny

RealFeel Shade™84°

Heat Index83°

WindNE 6 mph

Air QualityFair

Max UV Index0.2 (Low)

Wind Gusts6 mph

Humidity71%

Indoor Humidity71% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover30%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

78°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
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Mostly clear

WindNE 5 mph

Air QualityFair

Wind Gusts6 mph

Humidity77%

Indoor Humidity77% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

75°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity82%

Indoor Humidity82% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover4%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

72°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindNE 5 mph

Air QualityFair

Wind Gusts5 mph

Humidity90%

Indoor Humidity90% (Very Humid)

Dew Point69° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

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 93°, intermittent clouds with a 14% 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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Weather Near Union:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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