Point Forecast: Chambersburg PA  39.93N 77.66W (Elev. 617 ft)	Last Update: 1:31 pm EDT May 9, 2025

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Weather Elements Fire Weather Aviation Weather Temperature (°F) Dewpoint (°F) Heat Index (°F) Surface Wind  ktmphkm/hm/s Sky Cover (%) Precipitation Potential (%) Relative Humidity (%) Rain Thunder Fog Mixing Height  x100ftx100m Trans. Wind  ktmphkm/hm/s 20ft Wind  ktmphkm/hm/s Vent Rate (x1000 mph-ft) Davis Stability Index Atmospheric Dispersion Index Low Visibility Occurrence Risk Index Ceiling Height Visibility Thunder Potential

48-Hour Period Starting: 3pm Fri, May 9 20254pm Fri, May 9 20255pm Fri, May 9 20256pm Fri, May 9 20257pm Fri, May 9 20258pm Fri, May 9 20259pm Fri, May 9 202510pm Fri, May 9 202511pm Fri, May 9 202512am Sat, May 10 20251am Sat, May 10 20252am Sat, May 10 20253am Sat, May 10 20254am Sat, May 10 20255am Sat, May 10 20256am Sat, May 10 20257am Sat, May 10 20258am Sat, May 10 20259am Sat, May 10 202510am Sat, May 10 202511am Sat, May 10 202512pm Sat, May 10 20251pm Sat, May 10 20252pm Sat, May 10 20253pm Sat, May 10 20254pm Sat, May 10 20255pm Sat, May 10 20256pm Sat, May 10 20257pm Sat, May 10 20258pm Sat, May 10 20259pm Sat, May 10 202510pm Sat, May 10 202511pm Sat, May 10 202512am Sun, May 11 20251am Sun, May 11 20252am Sun, May 11 20253am Sun, May 11 20254am Sun, May 11 20255am Sun, May 11 20256am Sun, May 11 20257am Sun, May 11 20258am Sun, May 11 20259am Sun, May 11 202510am Sun, May 11 202511am Sun, May 11 202512pm Sun, May 11 20251pm Sun, May 11 20252pm Sun, May 11 20253pm Sun, May 11 20254pm Sun, May 11 20255pm Sun, May 11 20256pm Sun, May 11 20257pm Sun, May 11 20258pm Sun, May 11 20259pm Sun, May 11 202510pm Sun, May 11 202511pm Sun, May 11 202512am Mon, May 12 20251am Mon, May 12 20252am Mon, May 12 20253am Mon, May 12 20254am Mon, May 12 20255am Mon, May 12 20256am Mon, May 12 20257am Mon, May 12 20258am Mon, May 12 20259am Mon, May 12 202510am Mon, May 12 202511am Mon, May 12 202512pm Mon, May 12 20251pm Mon, May 12 20252pm Mon, May 12 20253pm Mon, May 12 20254pm Mon, May 12 20255pm Mon, May 12 20256pm Mon, May 12 20257pm Mon, May 12 20258pm Mon, May 12 20259pm Mon, May 12 202510pm Mon, May 12 202511pm Mon, May 12 202512am Tue, May 13 20251am Tue, May 13 20252am Tue, May 13 20253am Tue, May 13 20254am Tue, May 13 20255am Tue, May 13 20256am Tue, May 13 20257am Tue, May 13 20258am Tue, May 13 20259am Tue, May 13 202510am Tue, May 13 202511am Tue, May 13 202512pm Tue, May 13 20251pm Tue, May 13 20252pm Tue, May 13 20253pm Tue, May 13 20254pm Tue, May 13 20255pm Tue, May 13 20256pm Tue, May 13 20257pm Tue, May 13 20258pm Tue, May 13 20259pm Tue, May 13 202510pm Tue, May 13 202511pm Tue, May 13 202512am Wed, May 14 20251am Wed, May 14 20252am Wed, May 14 2025

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