Philly Marathon Weather Outlook

The sharp cold front is expected to move through Philly between 5-7 PM today (Saturday). Before that time, expect high temps in the low to mid 60s.  After the frontal passage, winds will rapidly pick up from the northwest and continue through the night.  Temperatures will drop rapidly after the cold front moves through.

For the Philly Marathon on Sunday, expect partly to mostly cloudy skies and windy. Sustained winds near 18 mph mid-day with higher gusts.  High temperatures about 44.  There’s a chance of a quick, light snow flurry during the afternoon.

Sunday Afternoon GFS model forecast
Sunday Afternoon GFS model forecast