Weather forecast for 10 daysHarper, IA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 59°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphSSW 199°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 7:22 am CDT
  • Sunset: 6:24 pm CDT
  • ▼
Today, on Saturday, October 17, the weather remains calm, bright, and sunny.
A temperature range of a moderate 59°F to a wintry 39.2°F is expected.
Today's peak temperature is expected to align with October's common high of 61.3°F.
Sunrise was at 7:22 am and sunset will be at 6:24 pm; the daylight will last for 11h and 2min.

Sunday Oct 18, 2026

  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 16mphS 191°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:23 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
Tomorrow, in Harper, sunny skies are also in store, with excellent visibility.
The day will see a remarkable high of a comfortable 66.2°F, sharply contrasting with a low of a cold 39.2°F.
Tomorrow, the maximum temperature is predicted to be a few degrees higher than the common October peak of 61.3°F.
Sunrise will be at 7:23 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest period: Thursday - Saturday 77°C.
Coldest day: today 59°C.

Chance of precipitation

Highest chance: Monday 26.10. 19%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 59°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphSSW 199°
  • Humidity: 40%
  • UV index: 4
  • Sunrise: 7:22 am CDT
  • Sunset: 6:24 pm CDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 16mphS 191°
  • Humidity: 57%
  • UV index: 4
  • Sunrise: 7:23 am CDT
  • Sunset: 6:22 pm CDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 43°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphSSE 166°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:24 am CDT
  • Sunset: 6:21 pm CDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 8mphSE 144°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:25 am CDT
  • Sunset: 6:19 pm CDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 73°F
  • 48°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphS 179°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:27 am CDT
  • Sunset: 6:18 pm CDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 77°F
  • 50°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphSSE 154°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:28 am CDT
  • Sunset: 6:16 pm CDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 77°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphSE 145°
  • Humidity: 56%
  • UV index: 4
  • Sunrise: 7:29 am CDT
  • Sunset: 6:15 pm CDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 77°F
  • 54°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphSSE 163°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:30 am CDT
  • Sunset: 6:14 pm CDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 73°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 9mphSSW 198°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:31 am CDT
  • Sunset: 6:12 pm CDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 73°F
  • 52°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 7mphE 79°
  • Humidity: 67%
  • UV index: 3
  • Sunrise: 7:32 am CDT
  • Sunset: 6:11 pm CDT
  • ▼
Weather models show that a combination of clear and cloud-filled weather is expected.
Rainfall is not forecasted in Harper in the upcoming period.
Temperature differences will be noticeable over the next several days. The maximum temperature will vary between 59°F and 77°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 39.2°F and 53.6°F.
Thursday through next Saturday, with the highest temperature of 77°F, will be the warmest days in Harper; today is the coldest day, with a maximum temperature of 59°F.
Updated: Oct 17, 2026 @ 19:23:58 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, skies are expected to be clear and full of sunshine.

Today, the highest temperature in Harper will be 59°F, while the lowest temperature will be 39.2°F.
The highest temperature will be in line with the average maximum of 61.3°F in October. The lowest temperature will be moderately lower than the average low of 44.8°F.

On Saturday, in Harper, sunrise was at 7:22 am and sunset will be at 6:24 pm (CDT).

Today, the daylight will last for 11h and 2min.

On Sunday, the forecast calls for abundant sunshine.

Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 39.2°F.
Tomorrow, the maximum temperature will be a few degrees higher than the average highest temperature in October. Tomorrow, the lowest temperature will be also moderately lower than the average low temperature.

On Sunday, in Harper, sunrise will be at 7:23 am and sunset at 6:22 pm (CDT).

In Harper, the length of the day tomorrow will be 10h and 59min.