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Allison, IA

64°F
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Allison, IA 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
Not as warm with rain
78°
63°
27
Mostly sunny and less humid
79°
61°
28
Humid with plenty of sunshine
82°
64°
29
Humid; a stray p.m. t-storm
84°
62°
30
Humid with a t-storm or two
81°
58°
31
Humid with sunny spells
80°
57°
1
Mostly sunny and less humid
78°
56°
2
Mostly sunny
78°
57°
3
Mostly sunny
79°
58°
4
Couple of thunderstorms
78°
57°
5
Mostly cloudy, a few showers
78°
59°
6
Times of clouds and sun
79°
60°
7
Partly sunny
78°
63°
8
A shower and thunderstorm
80°
64°
9
A thunderstorm in spots
83°
59°
10
A shower and t-storm; humid
82°
63°
11
Humid; an afternoon shower
84°
63°
12
Mostly sunny and humid
82°
64°
13
Humid; an afternoon shower
86°
55°
14
Decreasing clouds; less humid
80°
59°
15
Sunny much of the time
78°
64°
16
Times of clouds and sun
80°
60°
17
Couple of thunderstorms
80°
56°
18
A little morning rain
77°
54°
19
Partly sunny
76°
57°
20
Partly sunny
76°
56°
21
Partly sunny
77°
55°
22
Rain
75°
55°
23
Mostly sunny
76°
57°
24
Mostly sunny
76°
54°
25
A thunderstorm in spots
77°
63°
26
Times of clouds and sun
77°
63°
27
Humid with a t-storm or two
82°
62°
28
Humid with clouds and sun
84°
54°
29
A couple of t-storms; humid
83°
61°
30
Mostly sunny
79°
56°
31
Cloudy
75°
54°
1
Cloudy with a bit of rain
75°
60°
2
Clouds, a shower in the p.m.
74°
52°
3
Morning thunderstorms
75°
50°
4
Mostly sunny and less humid
73°
59°
5
Partly sunny, a few showers
74°
61°

Temperature Graph

°F
90° 82° 74° 66° 58° 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 Allison

Allison's August 2026 forecast shows daily high temperatures ranging from 73° to 86°, with overnight lows between 50° and 64°. The average high for August is 79° 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 August weather will actually feel in Allison. See also: September | October | November.

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