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Macon, IL

54°F
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Macon

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54°
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Macon, IL Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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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
78°
44°
27
65°
58°
28
62°
53°
29
61°
44°
30
62°
38°
1
Cool with clouds and sun
57°
44°
2
Partly sunny, a shower; cool
58°
40°
3
Increasingly windy
70°
51°
4
An afternoon t-storm; breezy
73°
54°
5
Cloudy with showers around
58°
45°
6
Cloudy, a shower in the p.m.
58°
41°
7
A couple of showers
60°
40°
8
Plenty of sunshine
66°
48°
9
More clouds than sunshine
69°
47°
10
Mostly cloudy
70°
51°
11
A little rain in the morning
72°
51°
12
Mostly cloudy, afternoon rain
72°
52°
13
Mostly sunny
71°
49°
14
Periods of rain
74°
52°
15
A couple of afternoon showers
70°
55°
16
Cloudy with a little rain
69°
52°
17
Periods of rain
71°
58°
18
A shower and thunderstorm
78°
59°
19
Remaining cloudy and humid
77°
59°
20
A shower and thunderstorm
77°
60°
21
Humid; afternoon t-storms
78°
60°
22
A couple of t-showers; humid
78°
58°
23
Sunshine and less humid
75°
53°
24
Times of clouds and sun
72°
53°
25
A shower and thunderstorm
74°
60°
26
Humid with rain
76°
60°
27
Partly sunny and less humid
74°
55°
28
Sunshine and a few clouds
73°
54°
29
Mostly sunny
73°
53°
30
A thunderstorm in spots
75°
59°
31
Cloudy and less humid
80°
57°
1
Mostly cloudy and humid
75°
62°
2
A shower and thunderstorm
82°
63°
3
Mostly cloudy and less humid
82°
58°
4
Sunny with low humidity
75°
55°
5
Mostly sunny
75°
55°
6
Sun and clouds
76°
56°

Temperature Graph

°F
80° 70° 60° 50° 40° 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 Macon

Macon's May 2026 forecast shows daily high temperatures ranging from 57° to 82°, with overnight lows between 40° and 63°. 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 Macon. See also: June | July | August.

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World North America United States Illinois Macon

Weather Near Macon:

  • Champaign, IL
  • Decatur, IL
  • Springfield, IL
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