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
Muir Army Air Field / Indiantown (KMUI)
Lat: 40.44°NLon: 76.56°WElev: 476ft.
Overcast
64°F
18°C
| Humidity | 94% |
| Wind Speed | NE 3 mph |
| Barometer | 29.96 in (1014.6 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 20 Sep 5:55 am EDT |
Extended Forecast for
Palmyra PA
Today
High: 78 °F
Showers
Tonight
Low: 56 °F
Showers
Likely then
Mostly CloudyMonday
High: 71 °F
Partly Sunny
then Slight
Chance
ShowersMonday Night
Low: 50 °F
Showers
Tuesday
High: 61 °F
Showers
Tuesday Night
Low: 48 °F
Chance
ShowersWednesday
High: 63 °F
Chance
ShowersWednesday Night
Low: 48 °F
Chance
ShowersThursday
High: 64 °F
Chance
Showers
Detailed Forecast
Today
Rain and possibly a thunderstorm before 11am, then a chance of showers between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 78. Southeast wind 8 to 13 mph becoming southwest in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 8pm, then a slight chance of showers between 8pm and 9pm. Mostly cloudy, with a low around 56. North wind 6 to 9 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers after 2pm. Mostly cloudy, with a high near 71. North wind around 9 mph. Chance of precipitation is 20%.
Monday Night
Showers, mainly after 8pm. Low around 50. East wind 7 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Showers. High near 61. East wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers. Cloudy, with a low around 48. Chance of precipitation is 40%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A chance of showers. Mostly cloudy, with a high near 63. Chance of precipitation is 40%.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 48. Chance of precipitation is 40%.
Thursday
A chance of showers. Mostly cloudy, with a high near 64. Chance of precipitation is 30%.
Thursday Night
A chance of showers before 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 66.
Friday Night
Partly cloudy, with a low around 48.
Saturday
Mostly sunny, with a high near 69.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Palmyra PA
40.31°N 76.6°W (Elev. 466 ft)
40.31°N 76.6°W (Elev. 466 ft)
6:06 am EDT Sep 20, 2026
6am EDT Sep 20, 2026-6pm EDT Sep 26, 2026
Additional Resources
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Hourly Weather Forecast
