Hazardous Weather Conditions
Current conditions at
Pottstown, Pottstown Limerick Airport (KPTW)
Lat: 40.24°NLon: 75.55°WElev: 288ft.
Fair
83°F
28°C
| Humidity | 49% |
| Wind Speed | NW 9 G 21 mph |
| Barometer | 30.03 in (1016.5 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 20 May 9:54 am EDT |
Extended Forecast for
Malvern PA
Heat Advisory May 20, 10:52am until May 20, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
Today
High: 92 °F
Sunny then
Showers
LikelyTonight
Low: 55 °F
Showers then
Chance
ShowersThursday

High: 65 °F
Showers
Thursday Night

Low: 50 °F
Mostly Cloudy
Friday
High: 64 °F
Chance
Showers then
Showers
LikelyFriday Night

Low: 47 °F
Showers
Saturday

High: 58 °F
Showers
Saturday Night

Low: 49 °F
Showers
Detailed Forecast
Today
A chance of showers and thunderstorms between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 92. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 5am, then a chance of showers. Low around 55. North wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday
Showers, mainly before 1pm. High near 65. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Mostly cloudy, with a low around 50. East wind around 5 mph becoming calm.
Friday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 64. East wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Showers. Low around 47. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers. High near 58. Chance of precipitation is 90%.
Saturday Night
Showers. Low around 49. Chance of precipitation is 80%.
Sunday
A chance of showers before 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 40%.
Sunday Night
A chance of showers after 8pm. Cloudy, with a low around 55. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Monday Night
A chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 30%.
Tuesday
A chance of showers. Partly sunny, with a high near 78. Chance of precipitation is 30%.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
Malvern PA
40.04°N 75.52°W (Elev. 358 ft)
40.04°N 75.52°W (Elev. 358 ft)
10:00 am EDT May 20, 2026
10am EDT May 20, 2026-6pm EDT May 26, 2026



