weather forecast September 21, 2020 11:33 pm NBC10 First Alert Weather: Cold End to Summer, Warm Start to Fall Summer ended with cold temperatures but fall will begin with a warmup. NBC10 First Alert Weather meteorologist Steve Sosna explains. US & World Videos 2:27 Afternoon warmth before rain returns and temps dip 2:08 Rainy start gives way to sunny, hot afternoon 2:16 Showers and storms early, sunny and warm later 2:38 Sunny and summer-like 2:41 Let the sun shine and temps warm