Weather For Mount Joy, PA On Sunday, August 17, 2025

Summary

When I woke up this morning it was a bit cooler than yesterday. The temperature and dew point were both in the lower 70s. Sunrise brought some very colorful clouds and a low in the upper 60s along with some light fog. It was sunny with the temperature and dew point into the middle 70s by mid morning. This afternoon it was into the middle 90s with dark clouds approaching form the north. We had a refreshing heavy shower move through late this afternoon that knocked the temperature back into the middle 70s. We had another shower move through this evening giving us a little under half an inch of rain total today.

Weather Station Data

This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
TemperatureDew Point Feels Like
Average 77.7 ℉ 74.2 ℉ 82.2 ℉
High 91 ℉ at 80.6 ℉ at 108.7 ℉ at
Low 71.4 ℉ at 70.3 ℉ at 72.8 ℉ at
Range19.6 ℉ 10.3 ℉35.9 ℉
Yesterday
TemperatureDew Point Feels Like
Average78.4 ℉71.9 ℉83.3 ℉
High93.2 ℉ at 78.2 ℉ at 108 ℉ at
Low66 ℉ at 64.8 ℉ at 66 ℉ at
Range27.2 ℉ 13.4 ℉42 ℉
Difference
TemperatureDew Point Feels Like
Average0.7 ℉ cooler2.3℉ warmer 1.1 ℉ cooler
High2.2 ℉ cooler 2.4℉ warmer 0.7℉ warmer
Low5.4℉ warmer 5.5℉ warmer 6.8℉ warmer

There were 16.2 cooling degree days today.

There were 15 cooling degree days yesterday.

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This table contains the relative humidity data from my weather station.
AverageHighLow Range
89%98% at 68% at 30%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
PressureTime
Average29.95″
High30.03″
Low29.87″
Range0.16″
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This table contains the solar data from my weather station
UV Radiation MaxSolar Radiation Max
8 at 891.8 W/m² at
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This table sunrise and sunset information for the day.
TodayDifference From Yesterday
Sunrise at 102.7° and 0.29° south of yesterday's sunset.
Sunset at 102.72° and 0.29° south of yesterday's sunset.
Solar Noon at 63.06° and 0.32° lower than yesterday.
Sunlight Duration
about data sources
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This table contains the wind data from my weather station in miles per hour.
Wind SpeedGustTime
Average Wind0.7 mph6.5 mph
High1.9 mph11.4 mph
DirectionN
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This table contains the rainfall data from my weather station in inches.
Daily Rain Max HourlyEvent RainYesterday's RainWeekly RainMonthly RainYearly Rain
0.01″0.05″ per hour0.01″ 0″0.01″0.01″30.45″
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This table contains the lightning data from my weather station.
MaxTime
Strikes Per Hour77
Strikes Per Day133
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