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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

Harlan, IA

89°F
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Harlan

Iowa

89°
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Harlan, 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
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
93°
75°
29
91°
75°
30
Partly sunny, windy and humid
90°
72°
1
Clouds and sun; breezy, humid
89°
70°
2
Some sun, breezy and humid
85°
71°
3
Humid; an afternoon t-storm
90°
70°
4
Breezy, very warm and humid
87°
67°
5
Humid with a t-storm possible
85°
69°
6
Mostly cloudy and humid
88°
69°
7
Mostly sunny and humid
86°
69°
8
Humid with clouds and sun
88°
67°
9
Mostly sunny and humid
88°
66°
10
Less humid with high clouds
89°
65°
11
Humid with rain and a t-storm
87°
65°
12
A bit of afternoon rain
87°
63°
13
Mostly cloudy and humid
88°
64°
14
Turning cloudy
85°
66°
15
Plenty of sun
82°
65°
16
Sun-soaked conditions
88°
67°
17
Sunny
89°
68°
18
Clouds and sun
89°
68°
19
Clouds and sun
90°
69°
20
Sunshine
90°
69°
21
Mostly sunny and very warm
89°
70°
22
Sunny and very warm
91°
70°
23
Very warm with plenty of sun
91°
71°
24
Very warm with plenty of sun
90°
70°
25
Very warm with plenty of sun
90°
71°
26
Sunshine and very warm
91°
70°
27
Decreasing clouds and warm
91°
70°
28
Mostly cloudy and very warm
90°
69°
29
Mostly cloudy and very warm
91°
70°
30
Sunny and very warm
90°
69°
31
Turning cloudy and very warm
90°
69°
1
Very warm with clouds and sun
91°
70°

Temperature Graph

°F
100° 92° 84° 76° 68° Jul
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 Harlan

Harlan's July 2026 forecast shows daily high temperatures ranging from 82° to 91°, with overnight lows between 63° and 72°. The average high for July is 89° with an average low of 68°. 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 Harlan. See also: August | September | October.

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