Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Rounds of storms expected in East, Midwest and Rockies. See when storms will arrive. Chevron right

O'Brien, OR

61°F
Location Chevron down
Location News Videos
Use Current Location
Recent

O'Brien

Oregon

61°
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
O'Brien, OR 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

July

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
28
Sunshine and a few clouds
85°
48°
29
Plenty of sunshine
87°
50°
30
Sunshine
88°
51°
1
Mostly sunny
90°
52°
2
A little rain in the morning
85°
47°
3
Decreasing clouds
86°
49°
4
Mostly sunny
87°
49°
5
Mostly sunny
91°
50°
6
Plenty of sunshine
92°
48°
7
Clouds and sun
91°
49°
8
Sunshine and a few clouds
89°
47°
9
Partly sunny
88°
47°
10
Partly sunny
89°
51°
11
Partly sunny
91°
52°
12
Partly sunny
91°
56°
13
Partly sunny
94°
55°
14
Times of clouds and sun
93°
54°
15
Times of clouds and sun
94°
52°
16
Partly sunny
95°
50°
17
Clouds and sun
93°
50°
18
Mostly sunny
93°
52°
19
Mostly sunny
95°
53°
20
Plenty of sun
94°
52°
21
Plenty of sun
95°
53°
22
Plenty of sun
96°
56°
23
Sunny and very warm
98°
58°
24
Not as hot; afternoon rain
92°
56°
25
Very warm with a little rain
97°
53°
26
A little morning rain
92°
53°
27
Mostly sunny
95°
52°
28
Sunny and very warm
97°
53°
29
Plenty of sunshine
95°
54°
30
Very warm with plenty of sun
99°
56°
31
Mostly sunny and very warm
99°
56°
1
Hot with sun and some clouds
101°
57°

Temperature Graph

°F
100° 88° 76° 64° 52° Jul
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

July Weather in O'Brien

O'Brien's July 2026 forecast shows daily high temperatures ranging from 85° to 101°, with overnight lows between 47° and 58°. The average high for July is 92° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in O'Brien. See also: August | September | October.

Further Ahead

August 2026

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Severe Weather

Storms to bring lightning, strong wind gusts from East to Rockies

1 hour ago

Recreation

Pregnant hiker, dogs rescued from heat on Florida trail

2 hours ago

Weather Forecasts

Sudden summer weather on the way for Midwest, East next week

9 hours ago

Weather News

11 rescued after small plane crashes off South Florida

6 hours ago

Weather Forecasts

Storm to bring needed rain to New England, help drought improve

1 hour ago

More Stories

Featured Stories

Recreation

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

1 day ago

Recreation

Everest’s brief spring weather window brings a rush to the summit

1 day ago

Recreation

1st fatal bear attack since 1998 reported in Glacier National Park

2 days ago

Severe Weather

Why sheltering under an overpass during severe weather is dangerous

1 day ago

Astronomy

Curiosity rover got a rock stuck to its drill on Mars, and NASA had to...

1 day ago

World North America United States Oregon O'Brien

Weather Near O'Brien:

  • Grants Pass, OR
  • Klamath Falls, OR
  • Medford, OR
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

...

...

...