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Boston, Philly hit 100, NYC breaks record from 1888 amid heat wave. Get the latest Chevron right
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Herculaneum, MO

78°F
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Herculaneum, MO Weather
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Winter Center
Today Hourly Daily Radar MinuteCast Monthly Air Quality Health & Activities
Thursday, June 26

Day

6/26
95°Hi
RealFeel® 105°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. Danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
RealFeel Shade™ 98°
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
Mostly sunny and remaining very warm
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

Max UV Index11 (Extreme)

AccuLumen Brightness Index™9 (Very Bright)

WindSW 7 mph

Wind Gusts13 mph

Probability of Precipitation21%

Probability of Thunderstorms5%

Precipitation0.00 in

Cloud Cover19%

Morning

Afternoon

Night

6/26
74°Lo
RealFeel® 77°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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Clear and humid
alerts

Heat Advisory

9:00 PM Monday - 9:00 PM Thursday

WindSSW 6 mph

Wind Gusts8 mph

Probability of Precipitation25%

Probability of Thunderstorms6%

Precipitation0.00 in

Cloud Cover9%

Evening

Overnight

Sun & Moon

14 hrs 49 mins
Rise 5:40 AM
Set 8:29 PM
Waxing Crescent
Rise 6:36 AM
Set 10:08 PM

Temperature History

6/26
High
Low
Forecast
95°
74°
Average
88°
67°
Last Year
85°
69°

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World North America United States Missouri Herculaneum

Weather Near Herculaneum:

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