Tuesday, September 15, 2026 Weather For Mount Joy, PA

Summary

This morning when I woke up it was much cooler than yesterday. The temperature was in in the lower 50s. Dawn brought clear skies with a low in the middle 40s. By late this morning it was into the lower 70s under bright sunshine. There was a nice breeze and no clouds all day today. The high temperature only made it into the upper 70s. It felt very fall-like.

Weather Station Data

This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
TemperatureDew Point Feels Like
Average 61.9℉ 52.8℉ 61.7℉
High 78.3℉ at 58.9℉ at 78.1℉ at
Low 46.0℉ at 45.5℉ at 46.0℉ at
Range32.3℉ 13.4℉32.1℉
Yesterday
TemperatureDew Point Feels Like
Average 69.5℉ 58.9℉ 69.6℉
High 77.7℉ at 71.2℉ at 77.3℉ at
Low 54.3℉ at 51.1℉ at 54.3℉ at
Range23.4℉ 20.1℉23.0℉
Difference
TemperatureDew Point Feels Like
Average7.6℉ cooler6.1℉ cooler 7.9℉ cooler
High0.6℉ warmer 12.3℉ cooler 0.8℉ warmer
Low8.3℉ cooler 5.6℉ cooler 8.3℉ cooler

There were 2.9 heating degree days today

There were 1.0 cooling degree days yesterday.

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This table contains the relative humidity data from my weather station.
AverageHighLow Range
74.0%98.0% at 47.0% at 51.0%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
PressureTime
Average30.37′
High30.44′
Low30.32′
Range0.12′
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This table contains the solar data from my weather station
UV Radiation MaxSolar Radiation Max
8 at 835.5 W/m² at
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This table sunrise and sunset information for the day.
TodayDifference From Yesterday
Sunrise at 93.67° and 0.33° south of yesterday's sunset.
Sunset at 93.79° and 0.33° south of yesterday's sunset.
Solar Noon at 52.72° and 0.38° lower than yesterday.
Sunlight Duration
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This table contains the wind data from my weather station in miles per hour.
Wind SpeedGustTime
Average Wind1.3 mph8.7 mph
High3.1 mph11.4 mph
DirectionSSE
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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
0.0″0.0″ per hour0.0″ 0″0.01″2.0″2.26″
The last measurable rain was days ago on and when 0.01″ rain fell. The Storm Total was 0.0″.
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This table contains the lightning data from my weather station.
MaxTime
Strikes Per Hour0
Strikes Per Day0
The last lightning strike detected was days ago on .
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