Weather For Mount Joy, PA On Thursday, May 21, 2026

Summary

This morning when I woke up it was a little cooler than yesterday. The temperature was in middle 60s. but it felt cooler. Dawn brought cloudy skies with temperatures in the lower 60s. By mid-morning we were down into the upper 50s with light rain starting. It was down to the lower 50s with rain around lunchtime but the sky was beginning to brighten. The rain continued well into the late afternoon after that brief brightening. Unfortunately my rain collector did not measure the rain.

Weather Station Data

This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
TemperatureDew Point Feels Like
Average 58.3 ℉ 54.4 ℉ 58.3 ℉
High 69.6 ℉ at 65.6 ℉ at 70.3 ℉ at
Low 52.3 ℉ at 49.5 ℉ at 52.3 ℉ at
Range17.3 ℉ 16.1 ℉18.0 ℉
Yesterday
TemperatureDew Point Feels Like
Average75.7 ℉ 68.9 ℉ 77.8 ℉
High91.9 ℉ at 73.9 ℉ at 101.2 ℉ at
Low65.3 ℉ at 65.0 ℉ at 65.3 ℉ at
Range26.6 ℉ 8.9 ℉35.9 ℉
Difference
TemperatureDew Point Feels Like
Average17.4℉ cooler14.5℉ cooler 19.5℉ cooler
High22.3℉ cooler 8.3℉ cooler 30.9℉ cooler
Low13.0℉ cooler 15.5℉ cooler 13.0℉ cooler

There were 4.1 heating degree days today

There were 14.0 cooling degree days yesterday.

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This table contains the relative humidity data from my weather station.
AverageHighLow Range
87.0%97.0% at 74.0% at 23.0%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
PressureTime
Average30.27″
High30.37″
Low30.15″
Range0.22″
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This table contains the solar data from my weather station
UV Radiation MaxSolar Radiation Max
2 at 205.5 W/m² at
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This table sunrise and sunset information for the day.
TodayDifference From Yesterday
Sunrise at 109.23° and 0.21° north of yesterday's sunset.
Sunset at 109.22° and 0.21° north of yesterday's sunset.
Solar Noon at 70.18° and 0.2° higher 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 Wind0.9 mph8.3 mph
High3.0 mph10.5 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
0.0″0.0″ per hour0.0″ 0″0.0″0.02″18.22″
The last measurable rain was days ago on and when 0.02″ rain fell. The Storm Total was 0.02″.
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This table contains the lightning data from my weather station.
MaxTime
Strikes Per Hour0.0
Strikes Per Day0
The last lightning strike detected was on .
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