Hazardous Weather Conditions
Current conditions at
Philadelphia, Philadelphia International Airport (KPHL)
Lat: 39.87°NLon: 75.23°WElev: 7ft.
Partly Cloudy
95°F
35°C
| Humidity | 36% |
| Wind Speed | SW 15 mph |
| Barometer | 30.08 in (1018.6 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Heat Index | 97°F (36°C) |
| Last update | 18 May 5:54 pm EDT |
Extended Forecast for
2 Miles SSE Marcus Hook PA
Heat Advisory May 18, 06:01pm until May 20, 08:00pm
NOW until 8:00pm Wed
Heat Advisory
Tonight
Low: 68 °F
Mostly Clear
Tuesday
High: 93 °F
Mostly Sunny
Tuesday Night
Low: 71 °F
Partly Cloudy
Wednesday
High: 91 °F
Sunny then
ShowersWednesday Night
Low: 57 °F
Showers
Thursday
High: 67 °F
Chance
ShowersThursday Night
Low: 52 °F
Mostly Cloudy
Friday
High: 65 °F
Chance
Showers
Detailed Forecast
Tonight
Mostly clear, with a low around 68. South wind 5 to 15 mph.
Tuesday
Mostly sunny, with a high near 93. Southwest wind 5 to 15 mph.
Tuesday Night
Partly cloudy, with a low around 71. Southwest wind around 10 mph.
Wednesday
Showers and possibly a thunderstorm after 2pm. High near 91. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers and possibly a thunderstorm before 11pm, then showers likely. Low around 57. North wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers, mainly after 8am. Partly sunny, with a high near 67. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
A chance of showers. Mostly cloudy, with a high near 65. Chance of precipitation is 40%.
Friday Night
Showers likely. Mostly cloudy, with a low around 51. Chance of precipitation is 70%.
Saturday
Showers likely. Cloudy, with a high near 65. Chance of precipitation is 70%.
Saturday Night
Showers likely. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Sunday
A chance of showers. Mostly cloudy, with a high near 71. Chance of precipitation is 50%.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 40%.
Memorial Day
A chance of showers. Mostly cloudy, with a high near 74. Chance of precipitation is 30%.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SSE Marcus Hook PA
39.78°N 75.39°W (Elev. 3 ft)
39.78°N 75.39°W (Elev. 3 ft)
4:08 pm EDT May 18, 2026
6pm EDT May 18, 2026-6pm EDT May 25, 2026
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