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Watson, IL

49°F
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Watson, 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°
52°
27
65°
58°
28
64°
54°
29
64°
46°
30
64°
39°
1
An afternoon shower or two
57°
44°
2
Clouds and sun with a shower
56°
37°
3
Breezy; a shower in the p.m.
67°
53°
4
An afternoon thunderstorm
73°
59°
5
Periods of rain
65°
45°
6
Rain and drizzle possible
54°
41°
7
An afternoon shower
58°
45°
8
An a.m. shower; mostly cloudy
63°
48°
9
Times of clouds and sun
68°
49°
10
Mostly cloudy
68°
48°
11
Mostly sunny
72°
53°
12
Mostly sunny
71°
52°
13
Mostly sunny
69°
52°
14
A couple of afternoon showers
65°
43°
15
Humid with a stray t-shower
74°
57°
16
Cloudy and less humid
71°
56°
17
A shower and thunderstorm
73°
59°
18
A few morning showers; humid
79°
60°
19
Cloudy, showers around; humid
78°
60°
20
Humid with some sun
78°
61°
21
A shower and thunderstorm
79°
61°
22
A shower and thunderstorm
79°
60°
23
Decreasing clouds; less humid
76°
54°
24
Sunshine
73°
55°
25
Cloudy, a t-storm in spots
78°
61°
26
Cloudy, thunderstorms; humid
76°
61°
27
Clouds and sun; less humid
75°
57°
28
Mostly sunny
74°
56°
29
Sunshine
74°
54°
30
Times of clouds and sun
76°
61°
31
Cloudy
83°
62°
1
Humid with some sun
77°
63°
2
Humid; a p.m. t-storm or two
83°
64°
3
Cloudy and humid
84°
60°
4
Sunny and less humid
76°
56°
5
Mostly sunny
76°
56°
6
Sun and some clouds
77°
57°

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 Watson

Watson's May 2026 forecast shows daily high temperatures ranging from 54° to 84°, with overnight lows between 37° and 64°. The average high for May is 72° with an average low of 55°. 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 Watson. See also: June | July | August.

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World North America United States Illinois Watson

Weather Near Watson:

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