10-Day Weather Forecast - Mercersburg, PA
- 71|57°FMostly SunnyHourly details
Today
71°FMostly sunny. Highs in the upper 60s. Southeast winds 5 to 10 mph becoming south 10 to 15 mph this afternoon.
Tonight
57°FMostly cloudy. Mild. Lows in the mid 50s. South winds 10 to 15 mph with gusts up to 25 mph.
- 74|59°F50% Chance Rain ShowersHourly details
Day
74°FMostly cloudy with a 50 percent chance of showers. Warm with highs in the upper 70s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Night
59°FPartly cloudy. A chance of showers in the evening. Unseasonably mild. Lows in the upper 50s. Southwest winds 5 to 10 mph. Gusts up to 25 mph in the evening. Chance of rain 50 percent.
- 84|64°FMostly SunnyHourly details
Day
84°FMostly sunny. Unseasonably warm with highs in the lower 80s. Southwest winds 5 to 10 mph with gusts up to 20 mph.
Night
64°FPartly cloudy. Unseasonably mild. Lows in the lower 60s.
- 89|67°FMostly SunnyHourly details
Day
89°FMostly sunny. Continued unseasonably hot with highs in the upper 80s.
Night
67°FMostly cloudy. Unseasonably mild. Lows in the mid 60s.
- 86|65°FPartly CloudyHourly details
Day
86°FPartly sunny. Continued unseasonably hot with highs in the mid 80s.
Night
65°FMostly cloudy with a 30 percent chance of showers. Unseasonably mild. Lows in the lower 60s.
- 82|62°F30% Chance Rain ShowersHourly details
Day
82°FMostly sunny. A chance of showers in the morning. Continued unseasonably warm with highs in the lower 80s. Chance of rain 30 percent.
Night
62°FPartly cloudy. Unseasonably mild. Lows in the upper 50s.
Weekend Weather
- 78|53°F30% Chance Rain Showers
Day
78°FMostly sunny. A chance of showers in the afternoon. Continued unseasonably warm with highs in the mid 80s. Chance of rain 30 percent.
Night
53°FPartly cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 53F. Dew point will be around 47F with an average humidity of 57%. Winds will be 5 mph from the NW.
- 66|48°F30% Chance of Rain
Day
66°FPartly cloudy with a slight chance of rain. Chance of precipitation 30%. High temperature around 66F. Dew point will be around 41F with an average humidity of 50%. Winds will be 4 mph from the NW.
Night
48°FPartly cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 48F. Dew point will be around 38F with an average humidity of 53%. Winds will be 2 mph from the N.
- 65|49°FMostly Sunny
Day
65°FMostly sunny. High temperature around 65F. Dew point will be around 39F with an average humidity of 51%. Winds will be 2 mph from the SE.
Night
49°FMostly clear. Low temperature around 49F. Dew point will be around 39F with an average humidity of 56%. Winds will be 2 mph from the SE.













