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Harper IA Weather - Clear - 75°F
Clear
75°F
Updated 7:24 pm
Feels Like 76°F
Humidity 60%
Wind NW 8 mph
Barometer  29.93 in
Dew Point 60°F
Harper IA Weather - Clear - 24°C
Clear
24°C
Updated 7:24 pm
Feels Like 25°C
Humidity 60%
Wind NW 13 km/h
Barometer  101.4 kPa
Dew Point 16°C
Harper, IA Weather and Current Conditionsharper ia weather forecast

Harper, IA Weather Forecast

Harper Iowa WeatherHarper, Iowa Weather Weather Forecast
14 Day API Harper, IA Weather Forecast. Note: Our 7 day Harper, Iowa weather forecast is our most reliable, and specific forecast. This model should only be used as a probable scenario. Forecasting more than 7 days ahead is challenging.
Harper, IA Weather Forecast Dated: 724 PM Sat Sep 12 2026
Expect a mild stretch with more clouds than sun and frequent chances of rain over the coming period. generally humid conditions and no major pressure swings will dominate.

Saturday, September 12, 2026

Mid-Morning
Harper Weather - 2026-09-12 - Morning - Scattered Showers
72°F 22°C
Scattered Showers
Mid-Afternoon
Harper Weather - 2026-09-12 - Afternoon - Scattered Showers
80°F 27°C
Scattered Showers
Early-Evening
Harper Weather - 2026-09-12 - Evening - Scattered Showers
73°F 23°C
Scattered Showers
Warm and summery around 80°F 27°C (feels like 83°F 28°C), periods of heavy rain and gusty conditions, with lower humidity and steady pressure. Winds turning from the WSW to the N at 8 mph 13 km/h.

Sunday, September 13, 2026

Mid-Morning
Harper Weather - 2026-09-13 - Morning - Overcast
62°F 16°C
Overcast
Mid-Afternoon
Harper Weather - 2026-09-13 - Afternoon - Overcast
69°F 20°C
Overcast
Early-Evening
Harper Weather - 2026-09-13 - Evening - Scattered Showers
66°F 19°C
Scattered Showers
Comfortable with temperatures reaching 69°F 20°C, scattered downpours possible, with steady humidity and steady pressure. Winds switching from the NNE to the ENE at 8 mph 13 km/h.

Monday, September 14, 2026

Mid-Morning
Harper Weather - 2026-09-14 - Morning - Light Showers
57°F 14°C
Light Showers
Mid-Afternoon
Harper Weather - 2026-09-14 - Afternoon - Light Showers
70°F 21°C
Light Showers
Early-Evening
Harper Weather - 2026-09-14 - Evening - Sunny
74°F 24°C
Sunny
Enjoyable around 70°F 21°C, showers through the afternoon, tapering off by evening, with lower humidity and barometric pressure falling. Winds moving from the SSE to the SE at 17 mph 28 km/h. Gusts up to 35 mph 56 km/h.

Tuesday, September 15, 2026

Mid-Morning
Harper Weather - 2026-09-15 - Morning - Overcast
72°F 22°C
Overcast
Mid-Afternoon
Harper Weather - 2026-09-15 - Afternoon - Partly Cloudy
74°F 24°C
Partly Cloudy
Early-Evening
Harper Weather - 2026-09-15 - Evening - Overcast
72°F 22°C
Overcast
Mild temperatures up to 74°F 24°C, overcast in the morning, cloudy in the afternoon, and overcast this evening, with steady humidity and steady pressure. Winds swinging from the WNW to the NE at 6 mph 9 km/h.

Wednesday, September 16, 2026

Mid-Morning
Harper Weather - 2026-09-16 - Morning - Light Showers
68°F 20°C
Light Showers
Mid-Afternoon
Harper Weather - 2026-09-16 - Afternoon - Light Showers
59°F 15°C
Light Showers
Early-Evening
Harper Weather - 2026-09-16 - Evening - Scattered Showers
59°F 15°C
Scattered Showers
Refreshing around 59°F 15°C, scattered downpours possible, with steady humidity and steady pressure. Winds shifting from the E to the ENE at 11 mph 17 km/h.

Thursday, September 17, 2026

Mid-Morning
Harper Weather - 2026-09-17 - Morning - Light Showers
61°F 16°C
Light Showers
Mid-Afternoon
Harper Weather - 2026-09-17 - Afternoon - Fog
63°F 17°C
Fog
Early-Evening
Harper Weather - 2026-09-17 - Evening - Scattered Showers
63°F 17°C
Scattered Showers
Mildly cool near 63°F 17°C, locally heavy downpours at times, with steady humidity and steady pressure.

Friday, September 18, 2026

Mid-Morning
Harper Weather - 2026-09-18 - Morning - Fog
62°F 17°C
Fog
Mid-Afternoon
Harper Weather - 2026-09-18 - Afternoon - Scattered Showers
67°F 20°C
Scattered Showers
Early-Evening
Harper Weather - 2026-09-18 - Evening - Light Showers
67°F 20°C
Light Showers
Comfortable at 67°F 20°C, periods of heavy rain and gusty conditions, with steady humidity and barometric pressure falling. Winds ESE at 11 mph 18 km/h.

Saturday, September 19, 2026

Mid-Morning
Harper Weather - 2026-09-19 - Morning - Light Showers
65°F 18°C
Light Showers
Mid-Afternoon
Harper Weather - 2026-09-19 - Afternoon - Light Showers
62°F 17°C
Light Showers
Early-Evening
Harper Weather - 2026-09-19 - Evening - Scattered Showers
58°F 14°C
Scattered Showers
Cool with a high near 62°F 17°C, scattered downpours possible, with steady humidity and steady pressure. Winds picking up from ESE at 7 mph 12 km/h to NE at 15 mph 24 km/h. Gusts up to 28 mph 46 km/h.

Sunday, September 20, 2026

Mid-Morning
Harper Weather - 2026-09-20 - Morning - Overcast
57°F 14°C
Overcast
Mid-Afternoon
Harper Weather - 2026-09-20 - Afternoon - Overcast
66°F 19°C
Overcast
Early-Evening
Harper Weather - 2026-09-20 - Evening - Scattered Showers
64°F 18°C
Scattered Showers
Refreshing around 66°F 19°C, locally heavy downpours at times, with lower humidity and steady pressure. Winds blowing from the NE at 16 mph 25 km/h. Gusts up to 28 mph 44 km/h.

Monday, September 21, 2026

Mid-Morning
Harper Weather - 2026-09-21 - Morning - Overcast
56°F 13°C
Overcast
Mid-Afternoon
Harper Weather - 2026-09-21 - Afternoon - Scattered Showers
62°F 17°C
Scattered Showers
Early-Evening
Harper Weather - 2026-09-21 - Evening - Scattered Showers
60°F 16°C
Scattered Showers
Mildly cool near 62°F 17°C, periods of heavy rain and gusty conditions, with steady humidity and steady pressure. Winds swinging from the ENE to the NE at 9 mph 14 km/h. Gusts up to 21 mph 33 km/h.

Tuesday, September 22, 2026

Mid-Morning
Harper Weather - 2026-09-22 - Morning - Overcast
58°F 15°C
Overcast
Mid-Afternoon
Harper Weather - 2026-09-22 - Afternoon - Cloudy
67°F 20°C
Cloudy
Early-Evening
Harper Weather - 2026-09-22 - Evening - Sunny
62°F 17°C
Sunny
Comfortable at 67°F 20°C, cloudy in the morning, partly cloudy in the afternoon, and sunny this evening, with steady humidity and steady pressure. Winds shifting from the NNE to the N at 8 mph 14 km/h.

Wednesday, September 23, 2026

Mid-Morning
Harper Weather - 2026-09-23 - Morning - Sunny
64°F 18°C
Sunny
Mid-Afternoon
Harper Weather - 2026-09-23 - Afternoon - Sunny
73°F 23°C
Sunny
Early-Evening
Harper Weather - 2026-09-23 - Evening - Sunny
65°F 18°C
Sunny
Comfortable with temperatures reaching 73°F 23°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and steady pressure. Winds turning from the WSW to the NNW at 10 mph 15 km/h. Gusts up to 20 mph 32 km/h.

Thursday, September 24, 2026

Mid-Morning
Harper Weather - 2026-09-24 - Morning - Sunny
52°F 11°C
Sunny
Mid-Afternoon
Harper Weather - 2026-09-24 - Afternoon - Sunny
66°F 19°C
Sunny
Early-Evening
Harper Weather - 2026-09-24 - Evening - Sunny
63°F 17°C
Sunny
Refreshing around 66°F 19°C, sunny through the afternoon, turning partly cloudy this evening, with steady humidity and barometric pressure falling. Winds switching from the NE to the ESE at 8 mph 14 km/h.

Friday, September 25, 2026

Mid-Morning
Harper Weather - 2026-09-25 - Morning - Light Showers
69°F 21°C
Light Showers
Mid-Afternoon
Harper Weather - 2026-09-25 - Afternoon - Scattered Showers
87°F 30°C
Scattered Showers
Early-Evening
Harper Weather - 2026-09-25 - Evening - Scattered Showers
76°F 25°C
Scattered Showers
Warm temperatures up to 87°F 30°C, scattered downpours possible, with increasing humidity and steady pressure. Winds moving from the S to the ESE at 13 mph 21 km/h. Gusts up to 28 mph 46 km/h.

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Weather by the Numbers

Sat, 12th
Harper IA Weather - Saturday, Sep 12, 2026 - Patchy Rain Nearby
Hi: 82°F 28°C
Lo: 64°F 18°C
Sunrise 06:45 AM
Sunset 07:22 PM
Wind NNW 11 mph17 km/h
Dew Point 68°F20°C
uv Index 6
Barometric Pressure 29.88 in1012 mb
POP 21% *
Humidity 74%
Sun, 13th
Harper IA Weather - Sunday, Sep 13, 2026 - Patchy Rain Nearby
Hi: 72°F 22°C
Lo: 60°F 15°C
Sunrise 06:46 AM
Sunset 07:21 PM
Wind ENE 10 mph16 km/h
Dew Point 47°F9°C
uv Index 5
Barometric Pressure 30.09 in1019 mb
POP 11% *
Humidity 43%
Mon, 14th
Harper IA Weather - Monday, Sep 14, 2026 - Patchy Rain Nearby
Hi: 77°F 25°C
Lo: 56°F 13°C
Sunrise 06:47 AM
Sunset 07:19 PM
Wind SE 15 mph24 km/h
Dew Point 55°F13°C
uv Index 1
Barometric Pressure 30.09 in1019 mb
POP 25% *
Humidity 79%
Tue, 15th
Harper IA Weather - Tuesday, Sep 15, 2026 - Patchy Rain Nearby
Hi: 78°F 26°C
Lo: 66°F 19°C
Sunrise 06:48 AM
Sunset 07:17 PM
Wind NW 7 mph11 km/h
Dew Point 68°F20°C
uv Index 1
Barometric Pressure 30.03 in1017 mb
POP 23% *
Humidity 79%
Wed, 16th
Harper IA Weather - Wednesday, Sep 16, 2026 - Light Rain Shower
Hi: 73°F 23°C
Lo: 57°F 14°C
Sunrise 06:49 AM
Sunset 07:15 PM
Wind ENE 9 mph14 km/h
Dew Point 57°F14°C
uv Index 1
Barometric Pressure 30.24 in1024 mb
POP 56% *
Humidity 98%
Thu, 17th
Harper IA Weather - Thursday, Sep 17, 2026 - Moderate Or Heavy Rain Shower
Hi: 64°F 18°C
Lo: 59°F 15°C
Sunrise 06:50 AM
Sunset 07:14 PM
Wind NE 7 mph12 km/h
Dew Point 61°F16°C
uv Index 4
Barometric Pressure 30.21 in1023 mb
POP 82% *
Humidity 98%
Fri, 18th
Harper IA Weather - Friday, Sep 18, 2026 - Overcast
Hi: 68°F 20°C
Lo: 59°F 15°C
Sunrise 06:51 AM
Sunset 07:12 PM
Wind E 10 mph16 km/h
Dew Point 61°F16°C
uv Index 4
Barometric Pressure 30.12 in1020 mb
POP 29% *
Humidity 89%
Sat, 19th
Harper IA Weather - Saturday, Sep 19, 2026 - Fog
Hi: 69°F 20°C
Lo: 57°F 14°C
Sunrise 06:52 AM
Sunset 07:10 PM
Wind NE 6 mph9 km/h
Dew Point 66°F19°C
uv Index 4
Barometric Pressure 29.91 in1013 mb
POP 44% *
Humidity 94%
Sun, 20th
Harper IA Weather - Sunday, Sep 20, 2026 - Overcast
Hi: 67°F 19°C
Lo: 55°F 13°C
Sunrise 06:53 AM
Sunset 07:08 PM
Wind NE 14 mph23 km/h
Dew Point 56°F13°C
uv Index 4
Barometric Pressure 30.06 in1018 mb
POP 23% *
Humidity 80%
Mon, 21st
Harper IA Weather - Monday, Sep 21, 2026 - Cloudy
Hi: 63°F 17°C
Lo: 54°F 12°C
Sunrise 06:54 AM
Sunset 07:07 PM
Wind E 14 mph22 km/h
Dew Point 54°F12°C
uv Index 4
Barometric Pressure 30.03 in1017 mb
POP 20% *
Humidity 78%
Tue, 22nd
Harper IA Weather - Tuesday, Sep 22, 2026 - Cloudy
Hi: 67°F 20°C
Lo: 55°F 13°C
Sunrise 06:55 AM
Sunset 07:05 PM
Wind NNE 13 mph20 km/h
Dew Point 53°F12°C
uv Index 4
Barometric Pressure 29.97 in1015 mb
POP 12% *
Humidity 69%
Wed, 23rd
Harper IA Weather - Wednesday, Sep 23, 2026 - Sunny
Hi: 73°F 23°C
Lo: 57°F 14°C
Sunrise 06:56 AM
Sunset 07:03 PM
Wind NNW 13 mph22 km/h
Dew Point 41°F5°C
uv Index 6
Barometric Pressure 30 in1016 mb
POP 1% *
Humidity 35%
Thu, 24th
Harper IA Weather - Thursday, Sep 24, 2026 - Sunny
Hi: 68°F 20°C
Lo: 48°F 9°C
Sunrise 06:57 AM
Sunset 07:01 PM
Wind NE 6 mph9 km/h
Dew Point 34°F1°C
uv Index 5
Barometric Pressure 30.21 in1023 mb
POP 1% *
Humidity 38%
Fri, 25th
Harper IA Weather - Friday, Sep 25, 2026 - Cloudy
Hi: 88°F 31°C
Lo: 59°F 15°C
Sunrise 06:58 AM
Sunset 07:00 PM
Wind SW 19 mph31 km/h
Dew Point 51°F11°C
uv Index 6
Barometric Pressure 29.8 in1009 mb
POP 17% *
Humidity 34%
* POP = Probability of Precipitation. Data for 12:00 PM.