Weather forecast for 10 daysBelfast, PA

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 52°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphNNW 346°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:14 am EDT
  • Sunset: 6:18 pm EDT
  • ▼
Today, on Saturday, October 17, sunshine is expected with little to no cloud cover.
The maximum temperature will be a fresh 51.8°F, while the minimum predicted temperature is an icy 32°F.
The temperature will be lower and more consistent with November's average high of 48.4°F than with October's usual.
Sunrise was at 7:14 am and sunset will be at 6:18 pm; the daylight will last for 11h and 3min.

Sunday Oct 18, 2026

  • 61°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphNNE 33°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:15 am EDT
  • Sunset: 6:16 pm EDT
  • ▼
On Sunday, in Belfast, a sun-drenched sky is also anticipated.
Dramatic changes in temperature are expected, reaching a high of a comfortable 60.8°F and falling to a low of a wintry 33.8°F.
Tomorrow's maximum temperature is expected to reflect the standard October high of 61.2°F.
Sunrise will be at 7:15 am and sunset at 6:16 pm; tomorrow's daylight will last for 11h and 1min.

10-day overview

Daily temperatures

Warmest day: Tuesday 70°C.
Coldest day: today 52°C.

Chance of precipitation

Highest chance: Monday 26.10. 21%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 52°F
  • 32°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 15mphNNW 346°
  • Humidity: 44%
  • UV index: 4
  • Sunrise: 7:14 am EDT
  • Sunset: 6:18 pm EDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 61°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 5mphNNE 33°
  • Humidity: 52%
  • UV index: 4
  • Sunrise: 7:15 am EDT
  • Sunset: 6:16 pm EDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 8mphNNE 27°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:16 am EDT
  • Sunset: 6:15 pm EDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphNNE 18°
  • Humidity: 48%
  • UV index: 4
  • Sunrise: 7:18 am EDT
  • Sunset: 6:13 pm EDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 11mphNNE 29°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:19 am EDT
  • Sunset: 6:12 pm EDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 10mphN 1°
  • Humidity: 49%
  • UV index: 4
  • Sunrise: 7:20 am EDT
  • Sunset: 6:10 pm EDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 64°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 9mphNNE 16°
  • Humidity: 51%
  • UV index: 4
  • Sunrise: 7:21 am EDT
  • Sunset: 6:09 pm EDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 63°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 8mphNNE 28°
  • Humidity: 54%
  • UV index: 4
  • Sunrise: 7:22 am EDT
  • Sunset: 6:07 pm EDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 64°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 7mphN 3°
  • Humidity: 58%
  • UV index: 4
  • Sunrise: 7:23 am EDT
  • Sunset: 6:06 pm EDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 68°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 7mphNNW 334°
  • Humidity: 60%
  • UV index: 4
  • Sunrise: 7:24 am EDT
  • Sunset: 6:05 pm EDT
  • ▼
Weather patterns suggest that primarily sunny and occasionally cloud-filled weather is anticipated.
Rainfall is not expected in Belfast in the upcoming period.
Significant changes in temperature are expected across the forecast period. Forecast highs will fluctuate between 51.8°F and 69.8°F, while the difference in minimum temperatures will be also substantial, as the minimum temperature is expected to range between 32°F and 44.6°F.
The warmest day will be Tuesday, with a maximum of 69.8°F; today is the coldest day, with a maximum temperature of 51.8°F.
Updated: Oct 17, 2026 @ 18:31:31 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Belfast, expect bright skies and plenty of sunshine.

Today, the maximum temperature will be 51.8°F, while the minimum temperature will be 32°F.
The maximum temperature will be notably lower than the average highest temperature of 61.2°F in October. Today, the lowest temperature will be also noticeably lower than the average low of 45.1°F.

On Saturday, in Belfast, sunrise was at 7:14 am and sunset will be at 6:18 pm (EDT).

In Belfast, the length of the day today will be 11h and 3min.

On Sunday, sunshine is expected with little to no cloud cover.

Tomorrow, the highest temperature in Belfast will be 60.8°F, while the lowest temperature will be 33.8°F.
The maximum temperature will be in line with the average highest temperature of 61.2°F in October. The lowest temperature tomorrow will be significantly lower than the average low of 45.1°F.

On Sunday, in Belfast, sunrise will be at 7:15 am and sunset at 6:16 pm (EDT).

In Belfast, tomorrow, there will be 11h and 1min of daylight.