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Atlantic, Pennsylvania Weather Forecast
Atlantic, Pennsylvania Weather
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Weather Forecast for Atlantic, Pennsylvania : Westmoreland County
Issued: 10:54 am EDT Oct 28, 2025 Latitude: 40.3575694 Longitude: -79.3194803 View on Google Maps

MouseOver for Detail Forecast
Today Tonight Wednesday Thursday Friday Saturday Sunday Monday
Sunny on Today Mostly Clear on Tonight 50% chance of rain on Wednesday 90% chance of rain on Thursday 60% chance of rain on Friday 30% chance of rain on Saturday 50% chance of rain on Sunday 70% chance of rain on Monday
High: 56°F Low: 35°F High: 53°F High: 56°F High: 50°F High: 50°F High: 49°F High: 50°F
Low: 43°F Low: 40°F Low: 38°F Low: 36°F Low: 36°F  
Sunny Mostly Clear Rain Rain Rain Rain Rain Rain
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Current Conditions at
STEWART FIELD - (KIDI)
46°
Feels like 41°F
Clear
as of 10:35 AM EDST
Rel. Humidity: 65%
Dew Point: 36°F
Visibility: 10 Miles
Pressure: 30.28 in.
Flight Rule: VFR
Wind Data
10 MPH
090° East
Cloud Level(s): Clear
Current Conditions at
JOHNSTOWN - (KJST)
37°
Clear
as of 9:54 AM EDST
Rel. Humidity: 74%
Dew Point: 30°F
Visibility: 10 Miles
Pressure: 30.23 in.
Flight Rule: VFR
Wind Data
8 MPH
080° East
Cloud Level(s): Clear
Sunny on Today Today... Sunny, with a high near 56. East wind around 15 mph.
Mostly Clear on Tonight Tonight... Patchy frost after 1am. Otherwise, mostly clear, with a low around 35. Northeast wind around 7 mph.
50% chance of rain Wednesday Wednesday... A chance of showers, mainly after 2pm. Areas of frost before 8am. Otherwise, increasing clouds, with a high near 53. East wind 8 to 13 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
90% chance of rain Wednesday Night Wednesday Night... Showers, mainly after 8pm. Low around 43. East wind around 11 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
90% chance of rain Thursday Thursday... Showers. High near 56. East wind around 14 mph becoming south in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
90% chance of rain Thursday Night Thursday Night... Showers. Low around 40. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
60% chance of rain Friday Friday... Showers likely, mainly before 8am. Mostly cloudy, with a high near 50. Breezy. Chance of precipitation is 60%.
30% chance of rain Friday Night Friday Night... A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
30% chance of rain Saturday Saturday... A chance of showers. Mostly cloudy, with a high near 50. Chance of precipitation is 30%.
40% chance of rain Saturday Night Saturday Night... A chance of showers. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.
50% chance of rain Sunday Sunday... A chance of showers. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.
50% chance of rain Sunday Night Sunday Night... A chance of showers. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.
70% chance of rain Monday Monday... Showers likely. Mostly cloudy, with a high near 50. Chance of precipitation is 70%.
Sun Almanac for Atlantic, Pennsylvania
Sunrise: 07:43 AM
Sunset: 6:19 PM
Civil Sunrise:07:15 AM
Civil Sunset: 6:47 PM
Nautical Sunrise: 06:43 AM
Nautical Sunset: 7:19 PM
Astro Sunrise: 06:11 AM
Astro Sunset: 7:51 PM
Any use of the information on this page is at your own risk. This information should not be relied upon in life-threatening situations, potential financial loss situations or in lieu of any officially disseminated information. Visit the National Weather Service for official information.