Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Summer is around the corner. Here's what AccuWeather is calling for across the U.S. Chevron right
Polar vortex is linked to the next chill, frost coming to the eastern U.S. See the forecast. Chevron right

Olney, MO

62°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Olney

Missouri

62°
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
Olney, 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

May

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
81°
54°
27
84°
63°
28
61°
55°
29
64°
46°
30
66°
39°
1
Sun mixing with clouds; cool
62°
41°
2
Partly sunny, a shower; cool
60°
41°
3
Warmer; a stray p.m. t-shower
75°
51°
4
Breezy; an afternoon t-storm
75°
55°
5
Cooler with a few showers
61°
44°
6
Cloudy, a shower in the p.m.
55°
40°
7
A morning shower in spots
60°
41°
8
A shower in the morning
69°
50°
9
Mostly sunny
71°
51°
10
Sun through high clouds
71°
49°
11
Mostly sunny
72°
51°
12
A passing afternoon shower
72°
52°
13
Partly sunny
71°
49°
14
Periods of rain
74°
51°
15
Cloudy with occasional rain
72°
56°
16
Rain
69°
55°
17
A shower and thunderstorm
73°
58°
18
A shower and thunderstorm
76°
58°
19
A shower and t-storm; humid
77°
57°
20
A shower and thunderstorm
77°
59°
21
Clouds, thunderstorms; humid
76°
59°
22
Morning showers and t-storms
76°
55°
23
Sun, then clouds; less humid
72°
51°
24
Times of clouds and sun
72°
53°
25
A shower and thunderstorm
75°
59°
26
Humid with times of rain
76°
56°
27
Mostly sunny and less humid
72°
54°
28
Partly sunny
73°
53°
29
Mostly sunny
72°
52°
30
Turning cloudy and humid
76°
61°
31
Cloudy
80°
61°
1
Partly sunny and humid
77°
60°
2
Turning cloudy and humid
83°
62°
3
Cloudy and less humid
82°
60°
4
Mostly sunny; low humidity
75°
55°
5
Mostly sunny
75°
54°
6
Mostly sunny
76°
55°

Temperature Graph

°F
90° 78° 66° 54° 42° May
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

May Weather in Olney

Olney's May 2026 forecast shows daily high temperatures ranging from 55° to 83°, with overnight lows between 40° and 62°. The average high for May is 72° with an average low of 53°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Olney. See also: June | July | August.

Further Ahead

June 2026

July 2026

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather News

5 killed in small plane crash in Texas, authorities say

1 hour ago

Winter Weather

Polar vortex aftermath to bring chilly May days to Midwest, Northeast

2 hours ago

Weather News

Camp Mystic halts plans to reopen this summer

6 hours ago

Weather Forecasts

High-altitude storm to bring gusty thunderstorms to California

3 hours ago

Weather Forecasts

Rain to douse southern U.S. wildfire risk, ease drought into weekend

2 hours ago

More Stories

Featured Stories

Astronomy

May's biggest astronomy events include shooting stars, rare Blue Moon

4 hours ago

Recreation

Watch: Yellowstone hot spring erupts twice in 2 days

4 hours ago

Severe Weather

First tornado in nearly 2 years confirmed in West Virginia

4 hours ago

Astronomy

SpaceX rocket debris is on a collision course with the moon

1 day ago

Severe Weather

Texas police rescue mom from surging floodwater using jumper cables

1 day ago

World North America United States Missouri Olney

Weather Near Olney:

  • 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

...

...

...