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
Muir Army Air Field / Indiantown (KMUI)
Lat: 40.44°NLon: 76.56°WElev: 476ft.
Mostly Cloudy
53°F
12°C
| Humidity | 70% |
| Wind Speed | E 8 mph |
| Barometer | 30.43 in (1030.8 mb) |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Wind Chill | 50°F (10°C) |
| Last update | 24 Sep 8:55 am EDT |
Extended Forecast for
3 Miles SW Jonestown PA
Today

High: 68 °F
Mostly Sunny
Tonight

Low: 47 °F
Partly Cloudy
Friday

High: 73 °F
Mostly Sunny
Friday Night

Low: 51 °F
Mostly Clear
Saturday
High: 72 °F
Sunny then
Slight Chance
ShowersSaturday Night

Low: 52 °F
Chance
ShowersSunday

High: 68 °F
Chance
ShowersSunday Night

Low: 53 °F
Mostly Cloudy
Monday

High: 70 °F
Partly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 68. Northeast wind 9 to 11 mph, with gusts as high as 21 mph.
Tonight
Partly cloudy, with a low around 47. North wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 73. North wind 9 to 14 mph, with gusts as high as 21 mph.
Friday Night
Mostly clear, with a low around 51. North wind 9 to 11 mph, with gusts as high as 22 mph.
Saturday
A slight chance of showers after 2pm. Mostly sunny, with a high near 72. North wind 11 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 20%.
Saturday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 52. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
A chance of showers. Partly sunny, with a high near 68. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 77.
Additional Forecasts and Information
Basemap Options
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SW Jonestown PA
40.4°N 76.53°W (Elev. 430 ft)
40.4°N 76.53°W (Elev. 430 ft)
8:05 am EDT Sep 24, 2026
9am EDT Sep 24, 2026-6pm EDT Sep 30, 2026


