Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
Could another near U.S. coast Tropical Storm form soon? Click for details. Chevron right
Rounds of severe weather to affect Midwest, East. Click for more information. Chevron right

Spencer, IA

89°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Spencer

Iowa

89°
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
Spencer, IA 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
Extreme Heat Warning

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
Humid; breezy this afternoon
97°
70°
27
Hot with sunshine
97°
67°
28
Sunshine and hot
93°
68°
29
Hot with plenty of sun
94°
70°
30
A t-storm around in the p.m.
82°
65°
31
Some sun, a strong t-storm
85°
63°
1
Humid with partial sunshine
85°
60°
2
Mostly sunny and humid
87°
63°
3
Sunny and humid
88°
61°
4
Sun through high clouds
85°
61°
5
Partly sunny; low humidity
85°
58°
6
Morning rain, then a shower
82°
59°
7
Partly sunny and humid
83°
62°
8
Increasing clouds and humid
82°
60°
9
A shower and thunderstorm
85°
65°
10
Mostly sunny
79°
63°
11
Humid with a few showers
82°
65°
12
Mostly cloudy and less humid
84°
61°
13
Uninterrupted sunshine
76°
57°
14
Mostly sunny
77°
62°
15
A shower and t-storm; humid
82°
65°
16
Mostly sunny and less humid
83°
64°
17
Rain in the afternoon
78°
63°
18
A shower and thunderstorm
78°
64°
19
Mostly cloudy and humid
79°
63°
20
Mostly cloudy and humid
78°
63°
21
Humid with plenty of sunshine
81°
64°
22
Sun and clouds; less humid
84°
65°
23
Partly sunny
85°
63°
24
Sun and some clouds
81°
63°
25
Sunny and humid
84°
64°
26
Mostly cloudy and humid
85°
64°
27
Mostly sunny and humid
84°
63°
28
Sun and clouds
84°
62°
29
Cloudy with a little rain
81°
62°
30
Partly sunny
75°
61°
31
Partly sunny
77°
61°
1
Mostly cloudy
75°
60°
2
A little afternoon rain
74°
61°
3
Humid with afternoon t-storms
79°
62°
4
Showers around in the p.m.
82°
62°
5
Cloudy, a little rain; humid
76°
61°

Temperature Graph

°F
90° 82° 74° 66° 58° 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 Spencer

Spencer's August 2026 forecast shows daily high temperatures ranging from 74° to 97°, with overnight lows between 57° and 70°. The average high for August is 83° with an average low of 63°. 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 Spencer. See also: September | October | November.

Further Ahead

September 2026

October 2026

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Hurricane

Southeast U.S. waters to remain tropical trouble spot in early August

1 hour ago

Hurricane

Hurricane Fausto churns in the East Pacific: is Hawaii at risk?

15 minutes ago

Severe Weather

Severe storms to target Midwest, East with damaging winds into Tuesday

18 minutes ago

Weather Forecasts

Heat dome to deliver extreme temperatures, high wildfire risk to West

20 minutes ago

Weather Forecasts

Wildfire smoke spreads as northwestern US fires multiply

1 hour ago

More Stories

Featured Stories

Weather News

2 dead after historic flooding swamps West Virginia

2 days ago

Weather News

Flood rescuers work to reunite displaced Texas pets

4 days ago

Weather News

Hot car death near Fort Myers is Florida’s fifth this year

3 days ago

Weather News

5 dead after rescue attempts in fast-moving Ohio river

4 days ago

Weather News

Glimpse what life was like for survivors of the Pompeii disaster

4 days ago

World North America United States Iowa Spencer

Weather Near Spencer:

  • Mankato, MN
  • Norfolk, NE
  • Sioux City, IA
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

...

...

...