World > North America > United States > Pennsylvania > Mac Arthur  

Mac Arthur, PA Weather Forecast

Feedback E-mail the Weather

Quick Weather Clicks

Mac Arthur, PA Weather Forecast

Current Conditions

Settings
Mac Arthur PA weather - Partly Cloudy - 55°F
Partly Cloudy
55°F
Updated 1:05 am
Feels Like 53°F
Humidity 89%
Wind N 7 mph
Barometer  30.22 in
Dew Point 52°F
Mac Arthur PA weather - Partly Cloudy - 13°C
Partly Cloudy
13°C
Updated 1:05 am
Feels Like 12°C
Humidity 89%
Wind N 11 km/h
Barometer  102.3 kPa
Dew Point 11°C
WX Settings

Mac Arthur Weather Forecast

OVERNIGHT TODAY TONIGHT SUNDAY SUNDAY NIGHT MONDAY MONDAY NIGHT TUESDAY TUESDAY NIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY
Mac Arthur, PA Weather - Overnight Clear Mac Arthur, PA Weather - Today Sunny Mac Arthur, PA Weather - Tonight Clear Mac Arthur, PA Weather - Sunday Partly Cloudy Mac Arthur, PA Weather - Sunday Night Partly Cloudy Mac Arthur, PA Weather - Monday Mostly Sunny Mac Arthur, PA Weather - Monday Night Clear Mac Arthur, PA Weather - Tuesday Sunny Mac Arthur, PA Weather - Tuesday Night Clear Mac Arthur, PA Weather - Wednesday Sunny Mac Arthur, PA Weather - Wednesday Night Clear Mac Arthur, PA Weather - Thursday Mostly Sunny
Clear Sunny Clear Partly Cloudy Partly Cloudy Mostly Sunny Clear Sunny Clear Sunny Clear Mostly Sunny
Lo: 49°FLo: 9°C Hi: 69°FHi: 21°C
 Lo: 51°FLo: 11°C Hi: 71°FHi: 22°C
 Lo: 51°FLo: 11°C Hi: 65°FHi: 18°C
 Lo: 41°FLo: 5°C Hi: 61°FHi: 16°C
 Lo: 41°FLo: 5°C Hi: 69°FHi: 21°C
 Lo: 49°FLo: 9°C Hi: 71°FHi: 22°C
POP = Probability of Precipitation.
Weather Outlook Updated: 1219 AM EDT Sat Oct 03 2026 Mac Arthur, PA Weather - WeatherWorld.com

Trending Headlines

Mac Arthur Radar Loop

Use the map search tool if you want to place a location marker on the radar map...

Mac Arthur Quick Facts

National Two Day Weather Forecast


E-mail the Mac Arthur Weather Forecast

Voice your opinion or tell us about page issues...

Mac Arthur Forecast Discussion

Meteorlogic Glosserator
Instant definitions for any meteorological term.

Issued: 732 PM EDT Fri Oct 2 2026

Key Messages

1) Cooler and mainly dry from this weekend into early next week. Frost is a possibility Tuesday and Wednesday mornings, mainly northeast of Pittsburgh.


Discussion

...

KEY MESSAGE 1... Broad upper troughing looks to persist through the weekend and into next week, with temperatures returning to seasonal values for early October. The cooler temperatures will be reinforced by a shortwave digging through the upper trough on Sunday. This wave could pull moisture, from the boundary that become...