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Daily risk for severe t-storms across the Plains and Midwest this week. Get the forecast. Chevron right

Spencer, IA

74°F
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Spencer

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74°
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Spencer, 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
Plenty of sunshine
79°
59°
27
A t-storm around in the p.m.
79°
61°
28
Humid; an afternoon t-storm
82°
58°
29
Mostly cloudy
79°
62°
30
Increasing amounts of sun
79°
65°
31
Humid with decreasing clouds
85°
65°
1
Humid with plenty of sunshine
86°
66°
2
Mostly sunny and humid
86°
65°
3
A shower and thunderstorm
85°
66°
4
Humid with a t-storm or two
86°
58°
5
A thunderstorm in spots
82°
56°
6
Partly sunny and less humid
78°
55°
7
Mostly cloudy
76°
56°
8
Partly sunny
76°
56°
9
Partly sunny
78°
57°
10
Mostly sunny
78°
58°
11
Mostly sunny
79°
61°
12
Partly sunny and humid
83°
65°
13
Partly sunny and humid
85°
63°
14
Partly sunny and humid
84°
60°
15
Humid with plenty of sun
85°
56°
16
Mostly cloudy and not as warm
77°
55°
17
Partly sunny
78°
54°
18
Plenty of sunshine
79°
56°
19
Soft golden sunshine
79°
55°
20
Mainly cloudy, showers around
77°
55°
21
Partly sunny and humid
81°
58°
22
Humid with sun and clouds
80°
61°
23
Mostly sunny and humid
84°
62°
24
Humid with thunderstorms
80°
58°
25
An afternoon t-storm or two
79°
54°
26
Decreasing clouds
76°
61°
27
Humid; a stray p.m. t-shower
79°
62°
28
T-storms, mainly early; humid
80°
60°
29
Humid; an a.m. t-storm or two
83°
62°
30
Humid with plenty of sunshine
84°
57°
31
Humid with thunderstorms
82°
59°
1
Cloudy, a shower in the p.m.
74°
58°
2
Cloudy, thunderstorms; humid
78°
57°
3
Mostly cloudy
76°
58°
4
Mainly cloudy and humid
79°
60°
5
Sunny much of the time
84°
52°

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 Spencer

Spencer's August 2026 forecast shows daily high temperatures ranging from 74° to 86°, with overnight lows between 52° and 66°. The average high for August is 80° 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 Spencer. See also: September | October | November.

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Weather Near Spencer:

  • Mankato, MN
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