Weather For Mount Joy, PA On Sunday, May 17, 2026

Summary

This morning when I woke up it was much warmer than yesterday. The temperature was in middle 60s and dew point in the lower 60s so it felt humid. Dawn brought clear but colorful skies and a low in the lower 60s shortly after sunrise. The temperature rose slowly under hazy skies early this morning. Later this morning it was hazy and in the middle 70s. It had popped into the lower 80s by lunchtime. The high this afternoon was in the upper 80s.

Weather Station Data

This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
TemperatureDew Point Feels Like
Average 74.9 ℉ 65.1 ℉ 76.3 ℉
High 88.9 ℉ at 70.8 ℉ at 94.3 ℉ at
Low 61.3 ℉ at 59.3 ℉ at 61.3 ℉ at
Range27.6 ℉ 11.5 ℉33 ℉
Yesterday
TemperatureDew Point Feels Like
Average67.4 ℉ 52.9 ℉ 67.1 ℉
High83.7 ℉ at 61.6 ℉ at 81.9 ℉ at
Low47.7 ℉ at 43.6 ℉ at 47.7 ℉ at
Range36 ℉ 18 ℉34.2 ℉
Difference
TemperatureDew Point Feels Like
Average7.5℉ warmer12.2℉ warmer 9.2℉ warmer
High5.2℉ warmer 9.2℉ warmer 12.4℉ warmer
Low13.6℉ warmer 15.7℉ warmer 13.6℉ warmer

There were 10.1 cooling degree days today.

There were 1 cooling degree days yesterday.

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This table contains the relative humidity data from my weather station.
AverageHighLow Range
72%93% at 51% at 42%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
PressureTime
Average30.14″
High30.2″
Low30.05″
Range0.15″
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This table contains the solar data from my weather station
UV Radiation MaxSolar Radiation Max
8 at 825.7 W/m² at
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This table sunrise and sunset information for the day.
TodayDifference From Yesterday
Sunrise at 108.35° and 0.23° north of yesterday's sunset.
Sunset at 108.35° and 0.23° north of yesterday's sunset.
Solar Noon at 69.33° and 0.23° 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 Wind1.2 mph8.1 mph
High3.4 mph14.3 mph
DirectionWSW
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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″ per hour0″ 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
Strikes Per Day0
The last lightning strike detected was days ago on .
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