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Sweetwater, IL

76°F
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Sweetwater

Illinois

76°
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Sweetwater, 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
80°
45°
27
69°
59°
28
62°
53°
29
61°
43°
30
63°
37°
1
60°
41°
2
59°
41°
3
73°
42°
4
78°
56°
5
59°
47°
6
61°
40°
7
68°
39°
8
66°
50°
9
79°
51°
10
70°
47°
11
74°
43°
12
83°
50°
13
73°
48°
14
73°
42°
15
80°
52°
16
78°
65°
17
85°
67°
18
77°
64°
19
A shower and t-storm; windy
77°
52°
20
Some sun, then turning cloudy
68°
44°
21
Periods of clouds and sun
71°
54°
22
Cloudy, a shower and t-storm
66°
57°
23
A couple of showers possible
74°
57°
24
Considerable cloudiness
78°
60°
25
A thick cloud cover
76°
63°
26
Cloudy with a few showers
80°
62°
27
Partly sunny
78°
61°
28
Rain tapering to showers
80°
63°
29
Humid with periods of rain
80°
63°
30
A little afternoon rain
78°
62°
31
Humid with a little rain
81°
62°
1
Partly sunny and less humid
79°
58°
2
Mostly sunny; low humidity
82°
62°
3
Times of clouds and sun
75°
59°
4
Partly sunny
75°
55°
5
Increasing clouds
76°
63°
6
Cloudy
82°
64°

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 Sweetwater

Sweetwater's May 2026 forecast shows daily high temperatures ranging from 66° to 82°, with overnight lows between 44° and 64°. The average high for May is 77° with an average low of 59°. 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 Sweetwater. See also: June | July | August.

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August 2026

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Weather Near Sweetwater:

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