Weather For Mount Joy, PA On Thursday, December 18, 2025

Summary

This morning when I woke up it was a bit colder than yesterday. The temperature was in the lower 20s after a low in the upper teens earlier.. Dawn brought clear skies. It was into the middle 30s by mid morning. It was sunny and in the middle 40s by lunchtime. The high this afternoon aws in the upper 40s. That got rid of much of the snow at least in the areas that get sunshine.fs

Weather Station Data

This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
TemperatureDew Point Feels Like
Average 36.7 ℉ 33.1 ℉ 34.9 ℉
High 48.2 ℉ at 44.3 ℉ at 47.8 ℉ at
Low 17.8 ℉ at 16.9 ℉ at 7 ℉ at
Range30.4 ℉ 27.4 ℉40.8 ℉
Yesterday
TemperatureDew Point Feels Like
Average29.4 ℉24.3 ℉28.5 ℉
High43 ℉ at 31.7 ℉ at 43 ℉ at
Low15.1 ℉ at 11.7 ℉ at 8.4 ℉ at
Range27.9 ℉ 20 ℉34.6 ℉
Difference
TemperatureDew Point Feels Like
Average7.3℉ warmer8.8℉ warmer 6.4℉ warmer
High5.2℉ warmer 12.6℉ warmer 4.8℉ warmer
Low2.7℉ warmer 5.2℉ warmer 1.4 ℉ cooler

There were 32 heating degree days today

There were 36 heating degree days yesterday

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This table contains the relative humidity data from my weather station.
AverageHighLow Range
87%99% at 63% at 36%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
PressureTime
Average30.22″
High30.36″
Low29.92″
Range0.44″
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This table contains the solar data from my weather station
UV Radiation MaxSolar Radiation Max
3 at 330.3 W/m² at
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This table sunrise and sunset information for the day.
TodayDifference From Yesterday
Sunrise at 69.97° and 0.03° south of yesterday's sunset.
Sunset at 69.79° and 0.03° south of yesterday's sunset.
Solar Noon at 26.49° and 0.03° 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 Wind3.2 mph14.8 mph
High6.6 mph17.4 mph
DirectionE
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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
0.18″0.17″ per hour0.18″ 0.01″26.77″314.44″347.55″
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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 on .
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