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Cottleville, MO

59°F
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Cottleville, MO 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
79°
49°
27
81°
61°
28
62°
55°
29
64°
42°
30
67°
37°
1
64°
40°
2
Cool with clouds and sun
61°
41°
3
Warmer; breezy in the morning
76°
53°
4
A stray afternoon t-storm
76°
59°
5
Rain and a t-storm; cooler
64°
47°
6
Rain and drizzle possible
59°
42°
7
Breezy with clouds and sun
60°
43°
8
A p.m. shower in places
66°
49°
9
A shower in the morning
72°
49°
10
Mostly cloudy, a little rain
73°
50°
11
Decreasing clouds
69°
50°
12
Partly sunny
71°
55°
13
Times of sun and clouds
76°
56°
14
Morning rain, then a shower
76°
55°
15
A little afternoon rain
75°
54°
16
A thick cloud cover and humid
79°
59°
17
Cloudy, thunderstorms; humid
76°
58°
18
A couple of showers
75°
59°
19
Sunny intervals with a shower
79°
58°
20
Sunny and less humid
73°
54°
21
Mostly sunny
76°
52°
22
Sunshine
70°
51°
23
Times of sun and clouds
70°
51°
24
Rather cloudy
71°
52°
25
Rain
70°
53°
26
Sunny
71°
52°
27
Partly sunny
72°
53°
28
Cloudy with a little rain
73°
59°
29
Partly sunny
74°
58°
30
A little morning rain
78°
62°
31
Rain becoming steadier; humid
74°
61°
1
Sunny and less humid
74°
55°
2
Mostly sunny
75°
56°
3
Times of sun and clouds
77°
60°
4
Partly sunny
78°
64°
5
A shower and thunderstorm
80°
64°
6
Cloudy, a shower; humid
78°
65°

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 Cottleville

Cottleville's May 2026 forecast shows daily high temperatures ranging from 59° to 80°, with overnight lows between 41° and 65°. The average high for May is 73° with an average low of 54°. 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 Cottleville. See also: June | July | August.

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World North America United States Missouri Cottleville

Weather Near Cottleville:

  • O'Fallon, MO
  • St. Charles, MO
  • St. Louis, MO
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