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Halloween Trick-Or-Treat Forecast 2020: Cold & Clear + Rare Full Moon

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Halloween Trick-Or-Treat Forecast 2020: Cold & Clear + Rare Full Moon

For the first time in 76 years, we will have a full moon on Halloween! Temperatures will be chilly, dropping into the upper 30s to low 40s in most areas by 6 PM. After some trick-or-treating was rained out Thursday night, Saturday’s will be dry statewide. Below are the expected temperatures for 6:00 PM Saturday. Happy Halloween!

Josh Adams is the founder and lead forecaster of Pennsylvania Weather Action, a regional forecasting site he launched in 2015. With over a decade of experience analyzing weather patterns across Pennsylvania, his forecasts have reached millions of readers throughout the state. Josh specializes in Pennsylvania’s complex microclimates and terrain-driven weather patterns, providing detailed coverage of severe thunderstorms, winter storms, and flooding events. His forecasting focuses on delivering precise, timely information to help Pennsylvanians stay informed and prepared during impactful weather. Last Updated: March 10, 2026
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