Go Back
  • For Business
  • |
  • Warnings
  • Data Suite
  • Forensics
  • Advertising
  • Superior Accuracy™
1st frost of fall is coming for the Northeast, Midwest. Click for the temp forecast. Chevron right
Downpours to drench Southeast, threaten weekend sports, activities. Click for more. Chevron right

Salem, IL

50°F
Location Chevron down
Location News Videos
Use Current Location
Recent

Salem

Illinois

50°
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
Salem, IL 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

October

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
27
80°
51°
28
83°
49°
29
85°
48°
30
94°
66°
1
92°
72°
2
73°
57°
3
N/A
4
Mostly sunny and warm
81°
49°
5
Sunny and pleasant
78°
46°
6
Warm with plenty of sunshine
78°
52°
7
Warm with plenty of sunshine
81°
49°
8
Brilliant sunshine and warm
80°
53°
9
Sunny and very warm
83°
54°
10
Mostly cloudy and very warm
84°
58°
11
Mostly cloudy and warm
79°
61°
12
Warm with plenty of sunshine
79°
58°
13
Sunny and remaining warm
77°
51°
14
Partly sunny
74°
52°
15
Sunny
74°
49°
16
Plenty of sunshine
69°
48°
17
Mostly cloudy
68°
45°
18
A passing morning shower
73°
50°
19
Cloudy
62°
48°
20
Rain becoming steadier
64°
50°
21
Remaining cloudy
60°
48°
22
Mostly sunny
60°
44°
23
A sun-and-cloud mix
65°
46°
24
Sun and some clouds
61°
41°
25
Clouds yielding to sun
58°
42°
26
Clouds yielding to sun
67°
44°
27
Plenty of sunshine
58°
42°
28
Partly sunny
66°
47°
29
Clouds and sun
68°
47°
30
Periods of rain
67°
49°
31
Rain
64°
47°

Temperature Graph

°F
100° 86° 72° 58° 44° Oct
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
*Temporarily Unavailable

October Weather in Salem

Salem's October 2026 forecast shows daily high temperatures ranging from 58° to 84°, with overnight lows between 41° and 61°. The average high for October is 71° with an average low of 49°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Salem. See also: November | December | January.

Further Ahead

November 2026

December 2026

January 2027

Around the Globe

Hurricane Tracker

Severe Weather

Radar & Maps

News

Video

Winter Center

Top Stories

Weather Forecasts

Flooding rain to soak Southeast as storms spread toward East Coast

1 hour ago

Severe Weather

500 tornadoes: A storm-chasing milestone 30 years in the making

1 day ago

Weather News

Coldest air of the season to bring frost, freeze risk to Northeast, Gr...

15 hours ago

Severe Weather

Flood rescues mount as downpours shatter Nebraska town rainfall record

1 day ago

Weather Forecasts

Summerlike heat grips L.A., San Diego: When will it end?

1 hour ago

More Stories

Featured Stories

Weather News

Fall foliage update: Peak colors on full display in Vermont, New York

1 day ago

Weather News

Daylight Saving Time 2026: When do clocks fall back?

1 day ago

Weather News

King tides flood South Florida streets, disrupt power at condos

2 days ago

Astronomy

October stargazing: Best time to see Saturn, meteors from Halley's Com...

2 days ago

Astronomy

Happy New Year, Mars! Red Planet begins its 39th year

2 days ago

World North America United States Illinois Salem

Weather Near Salem:

  • 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

...

...

...