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Leslie, MO

84°F
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Leslie

Missouri

84°
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Leslie, 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

August

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
Sunny
91°
68°
27
Partly sunny
92°
69°
28
Hot with sunny spells
93°
69°
29
Brilliant sunshine and hot
92°
70°
30
A shower and thunderstorm
91°
69°
31
Sunny
91°
70°
1
Hot with plenty of sunshine
93°
69°
2
Becoming cloudy and hot
94°
70°
3
Mostly cloudy and hot
93°
71°
4
A couple of morning showers
94°
70°
5
Mostly sunny, hot and humid
94°
70°
6
Becoming cloudy and hot
93°
71°
7
Very warm with some sun
94°
70°
8
A little afternoon rain
92°
68°
9
Partly sunny
91°
68°
10
Plenty of sunshine
91°
67°
11
Mostly sunny, hot and humid
92°
69°
12
Sunshine, hot and humid
93°
70°
13
Sunshine and hot
93°
70°
14
Mostly sunny and hot
92°
69°
15
Sunshine, very warm and humid
92°
68°
16
Decreasing clouds; less humid
91°
66°
17
Humid with a t-storm in spots
92°
64°
18
Humid with periods of sun
88°
66°
19
Mostly sunny
90°
62°
20
Periods of sun
87°
64°
21
Sunshine and a few clouds
90°
65°
22
Mostly sunny
89°
64°
23
Humid; a p.m. t-storm or two
84°
58°
24
A sun-and-cloud mix
83°
58°
25
Periods of sun
82°
57°
26
Mostly cloudy
82°
57°
27
More sun than clouds
83°
56°
28
Mostly sunny
82°
55°
29
Mostly sunny
82°
56°
30
Mostly sunny
84°
62°
31
Sunshine and a few clouds
88°
62°
1
Periods of clouds and sun
85°
61°
2
Mostly sunny
88°
62°
3
Mostly sunny
88°
61°
4
Some sun with a stray t-storm
87°
61°
5
A t-storm around in the a.m.
84°
60°

Temperature Graph

°F
100° 90° 80° 70° 60° Aug
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

August Weather in Leslie

Leslie's August 2026 forecast shows daily high temperatures ranging from 82° to 94°, with overnight lows between 55° and 71°. The average high for August is 89° with an average low of 65°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Leslie. See also: September | October | November.

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World North America United States Missouri Leslie

Weather Near Leslie:

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