National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Lancaster, Lancaster Airport (KLNS)

Lat: 40.12°NLon: 76.29°WElev: 397ft.

Fog/Mist

36°F

2°C

Humidity 100%
Wind Speed E 3 mph
Barometer 30.21 in (1023.3 mb)
Dewpoint 36°F (2°C)
Visibility 3.00 mi
Last update 4 Mar 3:53 am EST
Extended Forecast for

Cornwall PA

Dense Fog Advisory March 4, 04:25am until March 4, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory March 4, 04:25am until March 4, 09:00am

    NOW until 9:00am Wed

    Dense Fog Advisory

  • Overnight

    Low: 34 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: A chance of rain, mainly between 10am and 3pm. Cloudy, with a high near 49. North wind around 5 mph becoming calm in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 4am. Cloudy, with a low around 45. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: Rain. High near 52. East wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 52 °F

    Rain

  • Thursday Night

    Thursday Night: Rain. Low around 43. East wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Friday

    Friday: A slight chance of rain before 1pm. Cloudy, with a high near 51. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of rain after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.

    High: 69 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A slight chance of rain. Cloudy, with a low around 34. West wind around 5 mph. Chance of precipitation is 20%.
Wednesday
A chance of rain, mainly between 10am and 3pm. Cloudy, with a high near 49. North wind around 5 mph becoming calm in the morning. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Rain likely, mainly after 4am. Cloudy, with a low around 45. Light southeast wind. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday
Rain. High near 52. East wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Rain. Low around 43. East wind 8 to 10 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A slight chance of rain before 1pm. Cloudy, with a high near 51. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 45.
Saturday
A chance of rain after 1pm. Mostly cloudy, with a high near 69. Chance of precipitation is 50%.
Saturday Night
A chance of rain before 1am. Mostly cloudy, with a low around 49. Chance of precipitation is 50%.
Sunday
Mostly sunny, with a high near 61.
Sunday Night
Partly cloudy, with a low around 46.
Monday
Sunny, with a high near 67.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cornwall PA
 40.27°N 76.41°W (Elev. 633 ft)
Last Update:
1:34 am EST Mar 4, 2026
Forecast Valid:
4am EST Mar 4, 2026-6pm EDT Mar 10, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation