10-day forecast for Harper, IA: 27° to 57°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
51°
Best day: Wednesday, November 18
47° · 0.43 in
Worst day: Thursday, November 19
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1247° / 37°0
Morning39°feels 32°
Afternoon44°feels 37°
Evening38°feels 31°
Overnight42°feels 36°
47 °
Harper, Thursday, 12 November
Mostly clear. High 47°, low 37°.
Pressure30.12 inHg
Wind14.7 mph N
Humidity60%
Visibility6.2 mi
Dew point28°
Fri, 1342° / 33°0
Morning34°feels 27°
Afternoon42°feels 35°
Evening36°feels 32°
Overnight36°feels 29°
42 °
Harper, Friday, 13 November
Clear. High 42°, low 33°.
Pressure30.18 inHg
Wind11.1 mph N
Humidity62%
Visibility6.2 mi
Dew point22°
Sat, 1443° / 27°0
Morning30°feels 25°
Afternoon42°feels 42°
Evening33°feels 33°
Overnight31°feels 27°
43 °
Harper, Saturday, 14 November
Clear. High 43°, low 27°.
Pressure30.33 inHg
Wind0.9 mph NE
Humidity64%
Visibility6.2 mi
Dew point24°
Sun, 1545° / 29°0
Morning34°feels 30°
Afternoon44°feels 40°
Evening37°feels 33°
Overnight30°feels 26°
45 °
Harper, Sunday, 15 November
Overcast. High 45°, low 29°.
Pressure30.42 inHg
Wind5.6 mph SE
Humidity58%
Visibility—
Dew point29°
Mon, 1648° / 29°0
Morning35°feels 31°
Afternoon46°feels 44°
Evening39°feels 36°
Overnight35°feels 31°
48 °
Harper, Monday, 16 November
Clear. High 48°, low 29°.
Pressure30.47 inHg
Wind4.7 mph SE
Humidity54%
Visibility—
Dew point29°
Tue, 1749° / 33°0
Morning37°feels 33°
Afternoon46°feels 42°
Evening41°feels 36°
Overnight37°feels 32°
49 °
Harper, Tuesday, 17 November
Clear. High 49°, low 33°.
Pressure30.36 inHg
Wind7.5 mph SE
Humidity55%
Visibility—
Dew point30°
Wed, 1851° / 34°0
Morning38°feels 32°
Afternoon48°feels 42°
Evening44°feels 38°
Overnight43°feels 36°
51 °
Harper, Wednesday, 18 November
Clear. High 51°, low 34°.
Pressure30.18 inHg
Wind15.6 mph SE
Humidity46%
Visibility—
Dew point27°
Thu, 1947° / 40°0.43
Morning42°feels 35°
Afternoon46°feels 40°
Evening46°feels 42°
Overnight45°feels 41°
47 °
Harper, Thursday, 19 November
Rain. High 47°, low 40°.
Pressure29.85 inHg
Wind13.2 mph SE
Humidity88%
Visibility—
Dew point41°
Fri, 2052° / 43°0.07
Morning47°feels 44°
Afternoon51°feels 50°
Evening48°feels 46°
Overnight47°feels 44°
52 °
Harper, Friday, 20 November
Light rain. High 52°, low 43°.
Pressure29.83 inHg
Wind7.6 mph W
Humidity76%
Visibility—
Dew point44°
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.