Weather forecast for 10 daysHarlan, IN

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSW 204°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:54 am EDT
  • Sunset: 6:54 pm EDT
  • ▼
Today, on Sunday, October 18, sunshine and minimal clouds are in the outlook.
Day and night temperatures will contrast sharply, from a maximum of a breezy 64.4°F to a minimum of a wintry 33.8°F.
Expect the maximum temperature to remain consistent with the typical October high of 61.3°F.
Sunrise will be at 7:54 am and sunset at 6:54 pm; the daylight will last for 10h and 59min.

10-day overview

Daily temperatures

Warmest day: Sunday 25.10. 72°C.
Coldest day: today 64°C.

Chance of precipitation

Highest chance: Wednesday 9%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 64°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphSSW 204°
  • Humidity: 62%
  • UV index: 4
  • Sunrise: 7:54 am EDT
  • Sunset: 6:54 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 36°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 2mphS 187°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:56 am EDT
  • Sunset: 6:53 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 4mphNE 51°
  • Humidity: 63%
  • UV index: 4
  • Sunrise: 7:57 am EDT
  • Sunset: 6:51 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 70°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 2mphNE 52°
  • Humidity: 72%
  • UV index: 4
  • Sunrise: 7:58 am EDT
  • Sunset: 6:50 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 4mphNNE 13°
  • Humidity: 68%
  • UV index: 4
  • Sunrise: 7:59 am EDT
  • Sunset: 6:48 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 70°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphENE 75°
  • Humidity: 72%
  • UV index: 4
  • Sunrise: 8:00 am EDT
  • Sunset: 6:47 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 68°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphE 96°
  • Humidity: 67%
  • UV index: 4
  • Sunrise: 8:01 am EDT
  • Sunset: 6:45 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 72°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 6mphS 189°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 8:02 am EDT
  • Sunset: 6:44 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 70°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 6mphNW 306°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 8:04 am EDT
  • Sunset: 6:43 pm EDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 68°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphNE 37°
  • Humidity: 69%
  • UV index: 3
  • Sunrise: 8:05 am EDT
  • Sunset: 6:41 pm EDT
  • ▼
Weather patterns suggest that a combination of mostly clear and cloud-filled weather is forecasted.
Rainfall is not anticipated in Harlan in the upcoming period.
In the upcoming days, the maximum temperature will vary between 64.4°F and 71.6°F, while there will be a marked difference in overnight low temperatures, as the overnight lows will vary from 33.8°F to 46.4°F.
Expect the warmest day on next Sunday, with temperatures peaking at 71.6°F; today is the coldest day, with a maximum temperature of 64.4°F.
Updated: Oct 18, 2026 @ 06:50:12 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Harlan, the forecast calls for abundant sunshine.

Today, the highest temperature in Harlan will be 64.4°F, while the lowest temperature will be 33.8°F.
The highest temperature today will be in line with the average maximum temperature in October. The lowest temperature today will be significantly lower than the average low of 45.5°F.

On Sunday, in Harlan, sunrise will be at 7:54 am and sunset at 6:54 pm (EDT).

Today, the daylight will last for 10h and 59min.