News Headlines
- When does the first frost occur in Central PA? See when the first 36 degree temperatures typically occur.
- A 5th tornado has been determined to have occurred in Central PA (Burnside Twp in northern Centre County) on July 18th, 2026. See details.
- See information on the Cyclone (PA) Tornado of Sept 9th, 2026
- See information on 3 Tornadoes that occurred on September 1st, 2026
Current conditions at
Lancaster, Lancaster Airport (KLNS)
Lat: 40.12°NLon: 76.29°WElev: 397ft.
Fair
59°F
15°C
| Humidity | 83% |
| Wind Speed | Calm |
| Barometer | 30.14 in (1020.3 mb) |
| Dewpoint | 54°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 19 Sep 3:53 am EDT |
Extended Forecast for
Cornwall PA
Today
High: 75 °F
Partly Sunny
Tonight
Low: 60 °F
Mostly Cloudy
then Showers
LikelySunday
High: 74 °F
Showers
Sunday Night
Low: 56 °F
Showers
Monday
High: 68 °F
Slight Chance
ShowersMonday Night
Low: 50 °F
Chance
ShowersTuesday
High: 60 °F
Chance
ShowersTuesday Night
Low: 49 °F
Chance
ShowersWednesday
High: 61 °F
Chance
Showers
Detailed Forecast
Today
Partly sunny, with a high near 75. East wind 6 to 8 mph.
Tonight
Showers likely, mainly after 5am. Mostly cloudy, with a low around 60. Southeast wind 8 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, with thunderstorms also possible after 5pm. High near 74. South wind 10 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Showers and possibly a thunderstorm before 11pm, then showers likely between 11pm and 2am. Low around 56. Southwest wind 7 to 13 mph becoming north after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A slight chance of showers after 8am. Partly sunny, with a high near 68. Northeast wind around 11 mph. Chance of precipitation is 20%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 50. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
A chance of showers. Mostly cloudy, with a high near 60. Chance of precipitation is 50%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Wednesday
A chance of showers. Mostly cloudy, with a high near 61. Chance of precipitation is 30%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 49. Chance of precipitation is 30%.
Thursday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
Partly sunny, with a high near 67.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Cornwall PA
40.27°N 76.41°W (Elev. 633 ft)
40.27°N 76.41°W (Elev. 633 ft)
2:21 am EDT Sep 19, 2026
4am EDT Sep 19, 2026-6pm EDT Sep 25, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
