Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
World Cup match stopped due to storms. Click for the latest news, photos. Chevron right
Massive heat dome to expand into next week. See how hot it will get. Chevron right

Lamar, CO

78°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Lamar

Colorado

78°
No results found.
Try searching for a city, zip code or point of interest.
Get Premium+
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, CO 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

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
Times of clouds and sun
96°
68°
27
A couple of morning showers
95°
67°
28
Mostly sunny
88°
66°
29
Sunny
92°
67°
30
Sunny and less humid
95°
67°
31
Partly sunny
93°
66°
1
Decreasing clouds
90°
67°
2
Sunny
94°
67°
3
Mostly sunny
92°
66°
4
Mostly sunny
96°
66°
5
Mostly sunny and very warm
97°
65°
6
Plenty of sunshine
96°
67°
7
Sunny and very warm
97°
66°
8
Mostly sunny and very warm
98°
64°
9
Clouds and sunshine
93°
66°
10
Times of sun and clouds
95°
65°
11
Mostly cloudy and less humid
96°
58°
12
Showers around; not as hot
88°
56°
13
Cloudy with showers around
86°
57°
14
Cloudy with a little rain
85°
59°
15
Mostly cloudy, showers around
87°
58°
16
A couple of morning showers
87°
58°
17
Some sun with showers around
86°
57°
18
A couple of showers
86°
57°
19
Clouds and sunshine
87°
61°
20
Mostly sunny
88°
63°
21
Mostly sunny
93°
62°
22
Intervals of clouds and sun
93°
63°
23
Mostly sunny
94°
63°
24
Sun and some clouds
94°
62°
25
Partly sunny
93°
56°
26
Partly sunny, showers around
87°
55°
27
Times of clouds and sun
85°
54°
28
Sunny to partly cloudy
86°
55°
29
Plenty of sunshine
87°
57°
30
Mostly sunny
85°
57°
31
Partial sunshine
85°
59°
1
Partly sunny
86°
60°
2
Mostly sunny
91°
59°
3
Clouds and sun with a shower
89°
56°
4
A couple of showers
85°
52°
5
Rather cloudy
82°
53°

Temperature Graph

°F
100° 90° 80° 70° 60° 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 82° to 98°, with overnight lows between 52° and 68°. The average high for August is 90° with an average low of 61°. 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

Severe Weather

Central U.S. storms to bring daily dose of severe weather, flood risk

2 hours ago

Weather Forecasts

Massive Midwest heat dome brewing prior to Independence Day

9 hours ago

Live Blog

Live: World Cup 2026 weather updates

LATEST ENTRY

World Cup 2026 goes beyond Earth

8 hours ago

Severe Weather

Storm knocks down tree, exposes 100-year old hidden gravestone

10 hours ago

Weather Forecasts

Cooler air and rain to arrive for the Pacific Northwest

6 hours ago

More Stories

Featured Stories

Weather News

Deadly heat grips France, western Europe faces extreme heat wave

11 hours ago

Weather News

Utah wildfires force evacuations as crews work in hot, windy weather

10 hours ago

Astronomy

Webb telescope captures ‘sparkling’ stars being born in new image

1 day ago

Weather News

Endangered fin whale found dead on cruise ship's bow in Alaska

13 hours ago

Astronomy

Meteorological summer vs. astronomical summer explained

14 hours ago

World North America United States Colorado Lamar

Weather Near Lamar:

  • Boulder, CO
  • Denver, CO
  • Fort Collins, CO
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

...

...

...