10-day forecast for Harper, IA: 38° to 74°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Saturday, October 24
54° · 0.07 in
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1965° / 42°0
Morning43°feels 40°
Afternoon65°feels 63°
Evening53°feels 52°
Overnight46°feels 44°
65 °
Harper, Monday, 19 October
Overcast. High 65°, low 42°.
Pressure30.36 inHg
Wind5.1 mph S
Humidity57%
Visibility6.2 mi
Dew point46°
Tue, 2067° / 43°0
Morning44°feels 43°
Afternoon66°feels 65°
Evening55°feels 54°
Overnight46°feels 45°
67 °
Harper, Tuesday, 20 October
Clear. High 67°, low 43°.
Pressure30.36 inHg
Wind6.1 mph SE
Humidity54%
Visibility6.2 mi
Dew point47°
Wed, 2169° / 48°0
Morning48°feels 46°
Afternoon68°feels 67°
Evening59°feels 58°
Overnight50°feels 48°
69 °
Harper, Wednesday, 21 October
Partly cloudy. High 69°, low 48°.
Pressure30.27 inHg
Wind5.1 mph S
Humidity57%
Visibility6.2 mi
Dew point50°
Thu, 2270° / 49°0
Morning55°feels 54°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight53°feels 52°
70 °
Harper, Thursday, 22 October
Clear. High 70°, low 49°.
Pressure30.27 inHg
Wind6.4 mph SE
Humidity49%
Visibility—
Dew point47°
Fri, 2368° / 52°0
Morning56°feels 56°
Afternoon67°feels 65°
Evening62°feels 61°
Overnight61°feels 60°
68 °
Harper, Friday, 23 October
Partly cloudy. High 68°, low 52°.
Pressure30.27 inHg
Wind13.4 mph SE
Humidity53%
Visibility—
Dew point48°
Sat, 2474° / 60°0
Morning64°feels 63°
Afternoon72°feels 71°
Evening60°feels 60°
Overnight61°feels 59°
74 °
Harper, Saturday, 24 October
Overcast. High 74°, low 60°.
Pressure30.12 inHg
Wind17.2 mph SW
Humidity41%
Visibility—
Dew point47°
Sun, 2555° / 45°0
Morning49°feels 44°
Afternoon53°feels 50°
Evening47°feels 46°
Overnight46°feels 45°
55 °
Harper, Sunday, 25 October
Overcast. High 55°, low 45°.
Pressure30.50 inHg
Wind12.9 mph NW
Humidity39%
Visibility—
Dew point29°
Mon, 2654° / 40°0.07
Morning44°feels 40°
Afternoon53°feels 49°
Evening46°feels 41°
Overnight46°feels 42°
54 °
Harper, Monday, 26 October
Light rain. High 54°, low 40°.
Pressure30.33 inHg
Wind12.7 mph S
Humidity38%
Visibility—
Dew point28°
Tue, 2762° / 48°0.12
Morning53°feels 51°
Afternoon58°feels 57°
Evening56°feels 56°
Overnight55°feels 54°
62 °
Harper, Tuesday, 27 October
Light rain. High 62°, low 48°.
Pressure30.12 inHg
Wind6.3 mph SE
Humidity73%
Visibility—
Dew point48°
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.