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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right
Where will there be storms into 4th of July weekend? Click for the forecast. Chevron right

Watson, IL

75°F
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Watson

Illinois

75°
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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
Extreme Heat Warning

July

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
28
90°
70°
29
91°
73°
30
92°
73°
1
Mostly sunny, hot and humid
93°
73°
2
A t-storm around in the p.m.
94°
74°
3
Humid with a thunderstorm
94°
71°
4
A p.m. t-storm possible
91°
71°
5
Mostly cloudy and humid
87°
68°
6
Humid; a stray a.m. t-storm
88°
69°
7
T-storms, mainly late; humid
84°
69°
8
An afternoon t-storm or two
83°
68°
9
A stray morning shower; humid
87°
69°
10
Humid; a morning shower
87°
69°
11
Humid with periods of rain
89°
66°
12
A morning shower; humid
88°
67°
13
A t-storm around in the p.m.
89°
69°
14
Humid with plenty of sunshine
92°
73°
15
Mostly sunny
84°
63°
16
Plenty of sun
85°
63°
17
Plenty of sun
84°
63°
18
Times of clouds and sun
85°
64°
19
Cloudy
87°
70°
20
Humid with a stray t-shower
89°
70°
21
Partly sunny and humid
91°
69°
22
Mostly cloudy and humid
90°
70°
23
Humid with lots of sun
91°
70°
24
Decreasing clouds and humid
91°
69°
25
Cloudy and humid
90°
70°
26
Sunny and uncomfortably humid
91°
71°
27
Decreasing clouds; hot, humid
92°
71°
28
Sunny, hot and very humid
92°
70°
29
Mostly sunny, hot and humid
93°
71°
30
Increasing clouds and humid
92°
70°
31
A few showers in the morning
91°
70°
1
Sunny to partly cloudy
90°
69°

Temperature Graph

°F
100° 92° 84° 76° 68° Jul
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

July Weather in Watson

Watson's July 2026 forecast shows daily high temperatures ranging from 83° to 94°, with overnight lows between 63° and 74°. The average high for July is 89° with an average low of 69°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Watson. See also: August | September | October.

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