10-day forecast for Harper, IA: 26° to 72°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Wednesday, October 21
46° · 0.2 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2172° / 46°0
Morning49°feels 47°
Afternoon70°feels 69°
Evening59°feels 58°
Overnight49°feels 47°
72 °
Harper, Wednesday, 21 October
Clear. High 72°, low 46°.
Pressure30.24 inHg
Wind4.6 mph SW
Humidity58%
Visibility6.2 mi
Dew point51°
Thu, 2271° / 50°0
Morning50°feels 49°
Afternoon71°feels 70°
Evening60°feels 59°
Overnight53°feels 52°
71 °
Harper, Thursday, 22 October
Clear. High 71°, low 50°.
Pressure30.30 inHg
Wind3.5 mph SE
Humidity54%
Visibility6.2 mi
Dew point51°
Fri, 2370° / 51°0
Morning54°feels 53°
Afternoon69°feels 68°
Evening61°feels 61°
Overnight54°feels 53°
70 °
Harper, Friday, 23 October
Clear. High 70°, low 51°.
Pressure30.27 inHg
Wind8.4 mph SE
Humidity66%
Visibility6.2 mi
Dew point53°
Sat, 2470° / 53°0
Morning58°feels 56°
Afternoon67°feels 66°
Evening62°feels 62°
Overnight59°feels 58°
70 °
Harper, Saturday, 24 October
Partly cloudy. High 70°, low 53°.
Pressure30.27 inHg
Wind11.4 mph S
Humidity54%
Visibility—
Dew point49°
Sun, 2569° / 55°0
Morning59°feels 58°
Afternoon67°feels 66°
Evening59°feels 58°
Overnight55°feels 54°
69 °
Harper, Sunday, 25 October
Light rain. High 69°, low 55°.
Pressure30.33 inHg
Wind8.4 mph S
Humidity57%
Visibility—
Dew point51°
Mon, 2655° / 47°0.04
Morning49°feels 45°
Afternoon54°feels 51°
Evening50°feels 49°
Overnight48°feels 48°
55 °
Harper, Monday, 26 October
Light rain. High 55°, low 47°.
Pressure30.30 inHg
Wind11.3 mph NE
Humidity42%
Visibility—
Dew point31°
Tue, 2746° / 33°0.2
Morning44°feels 37°
Afternoon45°feels 37°
Evening36°feels 28°
Overnight35°feels 28°
46 °
Harper, Tuesday, 27 October
Rain. High 46°, low 33°.
Pressure30.42 inHg
Wind18.6 mph N
Humidity43%
Visibility—
Dew point24°
Wed, 2842° / 26°0
Morning30°feels 22°
Afternoon38°feels 33°
Evening34°feels 28°
Overnight31°feels 24°
42 °
Harper, Wednesday, 28 October
Clear. High 42°, low 26°.
Pressure30.56 inHg
Wind9.3 mph NW
Humidity36%
Visibility—
Dew point13°
Thu, 2951° / 28°0
Morning34°feels 28°
Afternoon47°feels 44°
Evening42°feels 37°
Overnight37°feels 31°
51 °
Harper, Thursday, 29 October
Clear. High 51°, low 28°.
Pressure30.27 inHg
Wind8.3 mph W
Humidity39%
Visibility—
Dew point22°
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.