Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Stormy weekend ahead with severe weather, flooding downpours. Click for the forecast. Chevron right
Extreme fire weather, drought and wind fueled explosive fires in Oregon. Click for the latest. Chevron right

Green Mountain, CO

90°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Green Mountain

Colorado

90°
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
Green Mountain, 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
2
Heat Advisory

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
102°
68°
27
91°
75°
28
89°
63°
29
87°
63°
30
96°
65°
31
90°
61°
1
95°
60°
2
101°
61°
3
104°
67°
4
87°
54°
5
84°
46°
6
96°
48°
7
Hot with hazy sun
96°
71°
8
Partly sunny and hot
99°
72°
9
Hot with some sun
97°
70°
10
A couple of p.m. t-showers
93°
67°
11
A couple of afternoon showers
94°
69°
12
A t-storm around in the p.m.
88°
65°
13
A t-storm around in the p.m.
82°
61°
14
Variable clouds with t-storms
73°
60°
15
A shower and thunderstorm
74°
59°
16
Some rain and a thunderstorm
77°
63°
17
A morning shower in spots
81°
63°
18
A shower and thunderstorm
79°
62°
19
A shower and thunderstorm
78°
61°
20
Times of sun and clouds
82°
58°
21
Partial sunshine
84°
57°
22
Mostly cloudy
83°
57°
23
Partial sunshine
83°
56°
24
Considerable cloudiness
86°
60°
25
Mostly sunny
86°
56°
26
Mostly sunny
82°
57°
27
Partly sunny
85°
59°
28
Sunny
86°
60°
29
Sunshine
86°
59°
30
Abundant sunshine
87°
60°
31
Mostly sunny
86°
60°
1
Mostly sunny
85°
59°
2
Sunshine
86°
59°
3
Mostly cloudy
85°
58°
4
A thick cloud cover
82°
58°
5
Considerable cloudiness
80°
57°

Temperature Graph

°F
110° 96° 82° 68° 54° Aug
Today 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 Green Mountain

Green Mountain's August 2026 forecast shows daily high temperatures ranging from 73° to 99°, with overnight lows between 56° and 72°. The average high for August is 85° 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 Green Mountain. See also: September | October | November.

Further Ahead

September 2026

October 2026

November 2026

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

High fire weather threatens Spokane area after devastating wildfires

7 hours ago

Severe Weather

Thundery downpours, severe storms to aggravate eastern and central US

5 hours ago

Weather News

‘Leveled to the ground’: Spokane resident recounts wildfire destructio...

10 hours ago

Weather Forecasts

Hazardous air quality, wildfire risk to persist across the Northwest

7 hours ago

Weather News

The most expensive insured weather threat isn’t hurricanes anymore

6 hours ago

More Stories

Featured Stories

Weather News

Sesame Street takes on extreme weather with new special, family resour...

8 hours ago

Astronomy

Perseid meteor shower peaks Wednesday night under ideal conditions

7 hours ago

Weather News

Southwest cities prepare for looming Colorado River cuts

3 days ago

Astronomy

NASA's Curiosity rover's wheels reveal the toll of 14 years on Mars

3 days ago

Recreation

This newly discovered spider looks like it's smiling

2 days ago

World North America United States Colorado Green Mountain

Weather Near Green Mountain:

  • 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

...

...

...