Weather For Mount Joy, PA On Saturday, July 4, 2026

Summary

This morning when I woke up it was a bit cooler than yesterday. The temperature was in middle 70s with the dew point in the upper 60s. Dawn brought clear skies with a low in the middle 70s. We reached the middle 90s by lunchtime. By early afternoon it was in the upper 90s. We got into the 100s once again by later this afternoon. This evening we had some thunderstorms move through. Most of the lightning was behind the storm. We had strong winds here but nothing compared to what happened around us. Seems there was a lot of damage.

Weather Station Data

This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
TemperatureDew Point Feels Like
Average 86.2 ℉ 71.3 ℉ 91.9 ℉
High 102.2 ℉ at 75.7 ℉ at 114.8 ℉ at
Low 72.0 ℉ at 66.4 ℉ at 73.6 ℉ at
Range30.2 ℉ 9.3 ℉41.2 ℉
Yesterday
TemperatureDew Point Feels Like
Average90.9 ℉ 76.3 ℉ 103.2 ℉
High102.2 ℉ at 81.3 ℉ at 122.2 ℉ at
Low79.0 ℉ at 73.5 ℉ at 80.5 ℉ at
Range23.2 ℉ 7.8 ℉41.7 ℉
Difference
TemperatureDew Point Feels Like
Average4.7℉ cooler5.0℉ cooler 11.3℉ cooler
High0.0 was the same 5.6℉ cooler 7.4℉ cooler
Low7.0℉ cooler 7.1℉ cooler 6.9℉ cooler

There were 22.1 cooling degree days today.

There were 26.0 cooling degree days yesterday.

Top
This table contains the relative humidity data from my weather station.
AverageHighLow Range
64.0%99.0% at 39.0% at 60.0%
Top
This table contains the relative barometric pressure data from my weather station in Inches of mercury.
PressureTime
Average30.01″
High30.08″
Low29.89″
Range0.19″
Top
This table contains the solar data from my weather station
UV Radiation MaxSolar Radiation Max
8 at 871 W/m² at
Top
This table sunrise and sunset information for the day.
TodayDifference From Yesterday
Sunrise at 112.12° and 0.09° south of yesterday's sunset.
Sunset at 112.1° and 0.09° south of yesterday's sunset.
Solar Noon at 72.72° and 0.09° lower than yesterday.
Sunlight Duration
about data sources
Top
This table contains the wind data from my weather station in miles per hour.
Wind SpeedGustTime
Average Wind1.6 mph27.5 mph
High4.2 mph33.6 mph
DirectionWSW
Top
This table contains the rainfall data from my weather station in inches.
Daily Rain Max HourlyEvent RainYesterday's RainWeekly RainMonthly RainYearly Rain
0.45″2.22″ per hour0.45″ 0″0.48″0.47″20.43″
Top
This table contains the lightning data from my weather station.
MaxTime
Strikes Per Hour0
Strikes Per Day0
Top