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
Current conditions at
Lancaster, Lancaster Airport (KLNS)
Lat: 40.12°NLon: 76.29°WElev: 397ft.
Mostly Cloudy
68°F
20°C
| Humidity | 68% |
| Wind Speed | N 9 mph |
| Barometer | 30.06 in (1017.9 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 29 Sep 10:53 am EDT |
Extended Forecast for
Marietta PA
Today

High: 74 °F
Partly Sunny
Tonight

Low: 58 °F
Patchy Fog
Wednesday
High: 79 °F
Patchy Fog
then Partly
SunnyWednesday Night

Low: 60 °F
Mostly Cloudy
Thursday

High: 83 °F
Mostly Sunny
Thursday Night

Low: 62 °F
Partly Cloudy
Friday

High: 85 °F
Mostly Sunny
Friday Night

Low: 59 °F
Mostly Cloudy
Saturday
High: 72 °F
Mostly Cloudy
then Chance
Showers
Detailed Forecast
Today
Partly sunny, with a high near 74. Northwest wind around 6 mph.
Tonight
Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 58. Calm wind.
Wednesday
Patchy fog before 10am. Otherwise, partly sunny, with a high near 79. Calm wind becoming west around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 60. Light south wind.
Thursday
Mostly sunny, with a high near 83. Calm wind becoming southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 62.
Friday
Mostly sunny, with a high near 85.
Friday Night
Mostly cloudy, with a low around 59.
Saturday
A chance of showers after 2pm. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
Saturday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 51. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 67.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
Marietta PA
40.07°N 76.56°W (Elev. 299 ft)
40.07°N 76.56°W (Elev. 299 ft)
11:21 am EDT Sep 29, 2026
11am EDT Sep 29, 2026-6pm EDT Oct 5, 2026


