Weather forecast for 10 daysHarkness, PA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • min.
  • 27°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphNW 304°
  • Humidity: 69%
  • UV index: 0
  • Sunrise: 7:21 am EDT
  • Sunset: 6:22 pm EDT
  • ▼
During the afternoon and for the rest of the day, the forecast calls for endless blue skies and perfectly clear weather.
The lowest temperature will be a harsh 26.6°F.
Sunrise was at 7:21 am and sunset will be at 6:22 pm; the daylight will last for 11h and 1min.

Sunday Oct 18, 2026

  • 59°F
  • 30°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSW 227°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:21 pm EDT
  • ▼
On Sunday, October 18, expect bright skies and plenty of sunshine.
A significant variation in temperature is predicted, ranging from a high of a moderate 59°F to a low of a subzero 30.2°F.
The highest temperature for tomorrow is expected to reflect October's average of 57.9°F.
Sunrise will be at 7:22 am and sunset at 6:21 pm; tomorrow's daylight will last for 10h and 58min.

10-day overview

Daily temperatures

Warmest day: Monday 66°C.
Coldest day: Friday 57°C.

Chance of precipitation

Highest chance: 20%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 27°F
Clear
Clear
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 12mphNW 304°
  • Humidity: 69%
  • UV index: 0
  • Sunrise: 7:21 am EDT
  • Sunset: 6:22 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 59°F
  • 30°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 4mphSW 227°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:21 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphNNW 338°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:24 am EDT
  • Sunset: 6:19 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 9mphN 0°
  • Humidity: 65%
  • UV index: 4
  • Sunrise: 7:25 am EDT
  • Sunset: 6:17 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 63°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 6mphN 10°
  • Humidity: 59%
  • UV index: 4
  • Sunrise: 7:26 am EDT
  • Sunset: 6:16 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 9mphNNW 344°
  • Humidity: 61%
  • UV index: 4
  • Sunrise: 7:27 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 57°F
  • 30°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 8mphN 0°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:28 am EDT
  • Sunset: 6:13 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 59°F
  • 32°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 20%
  • Precipitation: 0"
  • Wind: 6mphNNE 14°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:29 am EDT
  • Sunset: 6:12 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 61°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 6mphNNW 343°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:31 am EDT
  • Sunset: 6:10 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 63°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 7mphNW 315°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:32 am EDT
  • Sunset: 6:09 pm EDT
  • ▼
Ten-day trends indicate that a combination of bright and dull weather is anticipated.
Rainfall is not expected in Harkness in the upcoming days.
In the upcoming days, the maximum temperature will range between 57.2°F and 66.2°F, while the variation in nighttime lows will be notably wide, as the overnight lows will vary from 26.6°F to 39.2°F.
Monday will be the warmest day, with a maximum temperature of 66.2°F; the lowest daytime temperature of the period will be reached on Friday, peaking at 57.2°F.
Updated: Oct 17, 2026 @ 19:27:32 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Harkness, the forecast calls for abundant sunshine.

Tomorrow, the maximum temperature will be 59°F, while the minimum temperature will be 30.2°F.
The maximum temperature will be in line with the average highest temperature of 57.9°F in October. The lowest temperature will be significantly lower than the average low of 41.9°F.

On Sunday, in Harkness, sunrise will be at 7:22 am and sunset at 6:21 pm (EDT).

In Harkness, tomorrow, there will be 10h and 58min of daylight.