Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
A May heat wave will complete the spring weather whiplash in the East. Click for details. Chevron right
Severe thunderstorms, some with tornadoes will prowl the Central states. Click to see where, when. Chevron right

Gray Summit, MO

87°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Gray Summit

Missouri

87°
No results found.
Try searching for a city, zip code or point of interest.
Create Your Account Unlock extended daily and hourly forecasts — all with your free account.
Let's Go Chevron right
Have an account already? Log In
settings
Help
Gray Summit, MO Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps
News

News & Features

Astronomy

Business

Climate

Health

Recreation

Sports

Travel
For Business

Warnings

Data Suite

Forensics

Advertising

Superior Accuracy™

Video

Winter Center
Today Hourly

10-Day

 Radar MinuteCast® Monthly Air Quality Health & Activities

Unlock extended 90-day forecasts

Activate Your Premium+ Subscription

Chevron right

May 17 - May 31

Sun 5/17

87° /73°
2%
Breezy this morning; otherwise, partly sunny and very warm; possible danger of dehydration and heatstroke while doing strenuous activities

RealFeel®93°

RealFeel Shade™89°

Max UV Index10.0 (Very High)

WindS 13 mph

Mon 5/18

81° /70°
92%
Breezy in the morning; otherwise, humid with times of clouds and sun with a thunderstorm or two in the afternoon

RealFeel®88°

RealFeel Shade™82°

Max UV Index7.0 (High)

WindS 12 mph

Hours of Precipitation2

Hours of Rain2

Tue 5/19

78° /56°
88%
Cloudy and humid with a shower and t-storm; breezy in the morning, then not as warm in the afternoon; thunderstorms can bring localized damaging wind gusts

RealFeel®82°

RealFeel Shade™79°

Max UV Index3.0 (Moderate)

WindWSW 10 mph

Hours of Precipitation4

Hours of Rain4

Wed 5/20

68° /51°
13%
Sun through high clouds and less humid

RealFeel®74°

RealFeel Shade™65°

Max UV Index10.0 (Very High)

WindNNE 9 mph

Thu 5/21

71° /59°
25%
Comfortable with clouds and sunshine

RealFeel®76°

RealFeel Shade™69°

Max UV Index6.0 (High)

WindENE 7 mph

Fri 5/22

75° /59°
93%
Overcast with showers, mainly late in the day

RealFeel®71°

RealFeel Shade™71°

Max UV Index5.0 (Moderate)

WindESE 5 mph

Hours of Precipitation3.5

Hours of Rain3.5

Sat 5/23

76° /61°
30%
A thunderstorm possible; cloudy in the morning, then intervals of clouds and sunshine in the afternoon

RealFeel®83°

RealFeel Shade™74°

Max UV Index6.0 (High)

WindNW 5 mph

Sun 5/24

79° /63°
30%
Mostly cloudy and humid with a thunderstorm possible

RealFeel®90°

RealFeel Shade™81°

Max UV Index8.0 (Very High)

WindNE 4 mph

Mon 5/25

80° /62°
35%
Mostly cloudy and humid with a couple of showers and thunderstorms possible

RealFeel®87°

RealFeel Shade™81°

Max UV Index4.0 (Moderate)

WindE 5 mph

Tue 5/26

82° /63°
67%
Humid with more clouds than sun; a couple of morning thunderstorms, watch for a strong thunderstorm in the afternoon

RealFeel®92°

RealFeel Shade™84°

Max UV Index5.0 (Moderate)

WindSE 4 mph

Hours of Precipitation3

Hours of Rain3

Wed 5/27

78° /61°
65%
Humid with periods of rain and a thunderstorm

RealFeel®87°

RealFeel Shade™82°

Max UV Index4.0 (Moderate)

WindS 8 mph

Hours of Precipitation5

Hours of Rain5

Thu 5/28

79° /61°
55%
Mostly cloudy with a little rain; humid

RealFeel®93°

RealFeel Shade™89°

Max UV Index4.0 (Moderate)

WindNNW 6 mph

Hours of Precipitation2

Hours of Rain2

Fri 5/29

80° /62°
60%
Humid with periods of rain

RealFeel®83°

RealFeel Shade™81°

Max UV Index2.0 (Low)

WindSE 7 mph

Hours of Precipitation4

Hours of Rain4

Sat 5/30

79° /59°
20%
Sunny to partly cloudy and less humid

RealFeel®85°

RealFeel Shade™77°

Max UV Index11.0 (Extreme)

WindWSW 6 mph

Sun 5/31

83° /64°
20%
Partly sunny and humid

RealFeel®94°

RealFeel Shade™88°

Max UV Index11.0 (Extreme)

WindWSW 6 mph

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Climate

Super El Niño could strain food and water supplies around the world

3 days ago

Severe Weather

High-risk severe weather setup to focus on Plains, Midwest into Monday

1 hour ago

Weather Forecasts

Heat wave to complete spring weather whiplash, worsen drought in East

4 hours ago

Weather Forecasts

Wildfire risk to focus across the Southwest, Plains

5 hours ago

Winter Weather

Winter to return to Colorado, Wyoming with more May mountain snow

4 hours ago

 More Stories

Featured Stories

Hurricane

El Nino to fuel Pacific hurricane season, raise risks for California

2 days ago

Health

Wet spring, more mice? The weather link behind rare hantavirus risk

3 days ago

Climate

Turkmenistan's fiery 'Gates of Hell' crater is dimming

3 days ago

Weather News

Here's how New York residents can get free A/C this summer

4 days ago

Recreation

Brain-eating amoeba found in hot springs at 3 National Parks: study

5 days ago
World North America United States Missouri Gray Summit

Weather Near Gray Summit:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
Company
Proven Superior Accuracy™ About AccuWeather Digital Advertising Careers Press Contact Us
Products & Services
For Business For Partners For Advertising AccuWeather APIs AccuWeather Connect Personal Weather Stations
Apps & Downloads
iPhone App Android App See all Apps & Downloads
Subscription Services
AccuWeather Premium AccuWeather Professional
More
AccuWeather Ready Business Health Hurricane Leisure and Recreation Severe Weather Space and Astronomy Sports Travel Weather News Winter Center
© 2026 AccuWeather, Inc. "AccuWeather" and sun design are registered trademarks of AccuWeather, Inc. All Rights Reserved.
Terms of Use | Privacy Policy | Cookie Policy | About Your Privacy Do Not Sell or Share My Personal Information | Data Sources

...

...

...