Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Next week to bring another uptick in temps, humidity in the Northeast. Get the forecast. Chevron right

Lamar, MO

72°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Lamar

Missouri

72°
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
Lamar, 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
Flood Watch

August

January February March April May June July August September October November December

2026

2025 2026 2027

10-Day

S
M
T
W
T
F
S
26
Plenty of sunshine
86°
65°
27
Clouds and sunshine
86°
64°
28
Increasing amounts of sun
87°
65°
29
Sunny
87°
65°
30
Some sun
90°
68°
31
Plenty of sunshine
91°
70°
1
Mostly sunny
91°
69°
2
A couple of thunderstorms
87°
70°
3
A shower and thunderstorm
90°
70°
4
Mostly sunny
93°
69°
5
Partly sunny
92°
64°
6
Partly sunny
89°
64°
7
Mostly sunny and less humid
85°
65°
8
Occasional afternoon rain
84°
63°
9
Clouds and breaks of sun
86°
63°
10
Partly sunny
86°
64°
11
Mostly sunny
87°
65°
12
Mostly sunny
88°
64°
13
Plenty of sun
89°
69°
14
Mostly sunny
91°
68°
15
Times of clouds and sun
89°
66°
16
Partly sunny
90°
66°
17
A t-storm around in the p.m.
92°
63°
18
Thunderstorms in the morning
85°
62°
19
Mostly sunny and less humid
85°
67°
20
Mostly sunny
87°
68°
21
A brief t-storm in the p.m.
91°
67°
22
A shower and thunderstorm
90°
68°
23
Mostly sunny
91°
69°
24
Mostly sunny
92°
69°
25
Sunny
92°
68°
26
Mostly sunny
91°
68°
27
Partly sunny
91°
69°
28
Abundant sunshine
90°
69°
29
Plenty of sunshine
90°
67°
30
Plenty of sunshine
89°
68°
31
Sunny
87°
65°
1
Partial sunshine
86°
64°
2
Mostly sunny
86°
63°
3
An afternoon thunderstorm
85°
64°
4
A t-storm around in the p.m.
87°
64°
5
Times of clouds and sun
87°
64°

Temperature Graph

°F
100° 92° 84° 76° 68° Aug
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo

August Weather in Lamar

Lamar's August 2026 forecast shows daily high temperatures ranging from 84° to 93°, with overnight lows between 62° and 70°. The average high for August is 89° with an average low of 66°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Lamar. See also: September | October | November.

Further Ahead

September 2026

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Relief is coming to Northeast, but heat and humidity to bounce back

8 hours ago

Hurricane

More tropical activity brewing in the eastern Pacific after Amanda

6 hours ago

Weather News

Outer Banks home collapses into ocean for first time in months

2 days ago

Weather Forecasts

Torrential downpours to raise flash flood risk in south-central US

8 hours ago

Recreation

Firefly season is here: When to watch for summer’s flashing lights

1 day ago

More Stories

Featured Stories

Health

Why Google wants to release 32 million mosquitoes in 2 states

1 day ago

Weather News

These trees can 'hold their breath' when volcanoes erupt in Hawaii

1 day ago

Astronomy

Sunset after 9pm: Why the sun, clock don't align around the solstice

1 day ago

Astronomy

Venus, Jupiter to shine incredibly close for 2 nights next week

1 day ago

Weather News

Record sargassum seaweed swamps Caribbean, U.S. beaches

3 days ago

World North America United States Missouri Lamar

Weather Near Lamar:

  • Carthage, MO
  • Joplin, MO
  • Pittsburg, KS
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

...

...

...