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Mayfair, Pennsylvania Weather Forecast
Mayfair, Pennsylvania Weather
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Weather Forecast for Mayfair, Pennsylvania : Northumberland County
Issued: 2:56 am EST Dec 18, 2025 Latitude: 40.8503635 Longitude: -76.6302371 View on Google Maps

MouseOver for Detail Forecast
Overnight Thursday Friday Saturday Sunday Monday Tuesday Wednesday
Fog on Overnight Morning Fog on Thursday 60% chance of rain on Friday Partly Sunny on Saturday Mostly Sunny on Sunday Mostly Sunny on Monday Mostly Cloudy on Tuesday Partly Sunny on Wednesday
Low: 23°F High: 44°F High: 50°F High: 38°F High: 40°F High: 33°F High: 38°F High: 42°F
Low: 51 °F Low: 23°F Low: 32°F Low: 22°F Low: 23°F Low: 31°F  
Fog Morning Fog Rain Partly Sunny Mostly Sunny Mostly Sunny Mostly Cloudy Partly Sunny
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Current Conditions at
SELINSGROVE - (KSEG)
27°
Clear
as of 2:53 AM EST
Rel. Humidity: 92%
Dew Point: 25°F
Visibility: 10 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
MUIR AAF - (KMUI)
28°
Clear
as of 2:55 AM EST
Rel. Humidity: 92%
Dew Point: 27°F
Visibility: 10 Miles
Pressure: 30.20 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
WILLIAMSPORT - (KIPT)
23°
Clear
as of 2:54 AM EST
Rel. Humidity: 92%
Dew Point: 21°F
Visibility: 8 Miles
Pressure: 30.22 in.
Flight Rule: VFR
Wind Data
Calm
Cloud Level(s): Clear
Current Conditions at
READING - (KRDG)
28°
Clear
Haze
as of 2:54 AM EST
Rel. Humidity: 86%
Dew Point: 25°F
Visibility: 5 Miles
Pressure: 30.23 in.
Flight Rule: MVFR
Wind Data
6 MPH
030° Northeast
Cloud Level(s): Clear
Fog on Overnight Overnight... Patchy freezing fog. Mostly cloudy, with a low around 23. Calm wind.

Morning Fog on Thursday Thursday... Patchy freezing fog before 9am. Increasing clouds, with a high near 44. Calm wind becoming south 5 to 7 mph in the afternoon. Winds could gust as high as 20 mph.

100% chance of rain Thursday Night Thursday Night... Showers, mainly after 8pm. Temperature rising to around 51 by 4am. South wind 6 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

60% chance of rain Friday Friday... Showers likely, mainly before 7am. Mostly cloudy, with a high near 50. West wind 11 to 14 mph, with gusts as high as 40 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

Cloudy on Friday Night Friday Night... Partly cloudy, with a low around 23. West wind 6 to 11 mph, with gusts as high as 39 mph.

Partly Sunny on Saturday Saturday... Partly sunny, with a high near 38.

Mostly Cloudy on Saturday Night Saturday Night... Mostly cloudy, with a low around 32.

Mostly Sunny on Sunday Sunday... Mostly sunny, with a high near 40.

Cloudy on Sunday Night Sunday Night... Partly cloudy, with a low around 22.

Mostly Sunny on Monday Monday... Mostly sunny, with a high near 33.

Mostly Cloudy on Monday Night Monday Night... Mostly cloudy, with a low around 23.

Mostly Cloudy on Tuesday Tuesday... Mostly cloudy, with a high near 38.

Mostly Cloudy on Tuesday Night Tuesday Night... Mostly cloudy, with a low around 31.

Partly Sunny on Wednesday Wednesday... Partly sunny, with a high near 42.

Current Radar Image


Sun Almanac for Mayfair, Pennsylvania
Sunrise: 07:26 AM
Sunset: 4:41 PM
Civil Sunrise:06:55 AM
Civil Sunset: 5:12 PM
Nautical Sunrise: 06:20 AM
Nautical Sunset: 5:46 PM
Astro Sunrise: 05:47 AM
Astro Sunset: 6:20 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.