10-day forecast for Harper, IA: 38° to 75°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
75°
Best day: Thursday, October 22
54° · 0.66 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 2374° / 50°0
Morning54°feels 53°
Afternoon73°feels 72°
Evening61°feels 60°
Overnight54°feels 53°
74 °
Harper, Friday, 23 October
Clear. High 74°, low 50°.
Pressure30.21 inHg
Wind9.8 mph SE
Humidity54%
Visibility6.2 mi
Dew point52°
Sat, 2472° / 51°0
Morning55°feels 54°
Afternoon70°feels 70°
Evening63°feels 62°
Overnight56°feels 54°
72 °
Harper, Saturday, 24 October
Overcast. High 72°, low 51°.
Pressure30.30 inHg
Wind9.6 mph S
Humidity58%
Visibility6.2 mi
Dew point52°
Sun, 2573° / 53°0
Morning53°feels 52°
Afternoon73°feels 72°
Evening62°feels 61°
Overnight58°feels 57°
73 °
Harper, Sunday, 25 October
Overcast. High 73°, low 53°.
Pressure30.36 inHg
Wind3.1 mph SW
Humidity59%
Visibility6.2 mi
Dew point54°
Mon, 2669° / 53°0
Morning55°feels 55°
Afternoon67°feels 66°
Evening62°feels 61°
Overnight56°feels 55°
69 °
Harper, Monday, 26 October
Overcast. High 69°, low 53°.
Pressure30.36 inHg
Wind6 mph E
Humidity75%
Visibility6.2 mi
Dew point55°
Tue, 2767° / 52°0
Morning55°feels 54°
Afternoon62°feels 62°
Evening60°feels 59°
Overnight56°feels 55°
67 °
Harper, Tuesday, 27 October
Overcast. High 67°, low 52°.
Pressure30.27 inHg
Wind10.5 mph E
Humidity68%
Visibility—
Dew point51°
Wed, 2861° / 50°0
Morning53°feels 52°
Afternoon58°feels 57°
Evening54°feels 53°
Overnight52°feels 51°
61 °
Harper, Wednesday, 28 October
Overcast. High 61°, low 50°.
Pressure30.15 inHg
Wind6.8 mph S
Humidity70%
Visibility—
Dew point48°
Thu, 2957° / 52°0.57
Morning55°feels 54°
Afternoon56°feels 55°
Evening53°feels 53°
Overnight53°feels 53°
57 °
Harper, Thursday, 29 October
Rain. High 57°, low 52°.
Pressure30.09 inHg
Wind8.1 mph NE
Humidity85%
Visibility—
Dew point52°
Fri, 3054° / 45°0.66
Morning47°feels 41°
Afternoon46°feels 40°
Evening46°feels 43°
Overnight46°feels 41°
54 °
Harper, Friday, 30 October
Rain. High 54°, low 45°.
Pressure30.09 inHg
Wind13.8 mph N
Humidity83%
Visibility—
Dew point41°
Sat, 3153° / 38°0
Morning42°feels 38°
Afternoon51°feels 48°
Evening49°feels 47°
Overnight46°feels 44°
53 °
Harper, Saturday, 31 October
Overcast. High 53°, low 38°.
Pressure30.15 inHg
Wind7.4 mph NE
Humidity52%
Visibility—
Dew point32°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Harper, IA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.