weather September 20, 2024 6:22 am A nice end to summer. Get the weekend weather forecast NBC10 First Alert Weather meteorologist Bill Henley is tracking highs in the 80s as summer comes to an end Friday and Saturday. Autumn arrives Sunday with cooler temps. US & World Videos 3:17 Fall cool down coming right on schedule 24:56 Warmer Saturday before temperatures drop for the start to fall 2:47 Abnormally dry for most of Philadelphia region, fall starts with cooler temperatures 3:03 You are likely gonna like the weekend weather forecast 2:37 Summer ends with a couple warm days