Weather For Mount Joy, PA On Thursday, January 15, 2026

Summary

This morning when I woke up it was a bit warmer than yesterday. The temperature was in the upper 30s. Shortly after I got up a bit of a breeze picked up with dropping dew points. Dawn brought clear skies with temperatures in the upper 20s. It was also pretty breezy. Late this morning it was breezy and still in the upper 20s. The temperature actually dropped into the middle 20s by mid afternoon. The high will go down in the lower 40s well before dawn and the arctic cold front moving through.

Weather Station Data

This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
TemperatureDew Point Feels Like
Average 28.9 ℉ 18 ℉ 25.6 ℉
High 40.1 ℉ at 37.7 ℉ at 40.1 ℉ at
Low 20.8 ℉ at 8.1 ℉ at 8.2 ℉ at
Range19.3 ℉ 29.6 ℉31.9 ℉
Yesterday
TemperatureDew Point Feels Like
Average41.3 ℉34.9 ℉40.4 ℉
High46 ℉ at 42.3 ℉ at 46 ℉ at
Low36.1 ℉ at 28.4 ℉ at 27.4 ℉ at
Range9.9 ℉ 13.9 ℉18.6 ℉
Difference
TemperatureDew Point Feels Like
Average12.4 ℉ cooler16.9 ℉ cooler 14.8 ℉ cooler
High5.9 ℉ cooler 4.6 ℉ cooler 5.9 ℉ cooler
Low15.3 ℉ cooler 20.3 ℉ cooler 19.2 ℉ cooler

There were 34.6 heating degree days today

There were 24 heating degree days yesterday

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This table contains the relative humidity data from my weather station.
AverageHighLow Range
64%98% at 47% at 51%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
PressureTime
Average29.63″
High29.76″
Low29.44″
Range0.32″
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This table contains the solar data from my weather station
UV Radiation MaxSolar Radiation Max
4 at 505.2 W/m² at
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This table sunrise and sunset information for the day.
TodayDifference From Yesterday
Sunrise at 72.25° and 0.18° north of yesterday's sunset.
Sunset at 72.12° and 0.18° north of yesterday's sunset.
Solar Noon at 28.86° and 0.18° 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 Wind3.7 mph24.8 mph
High11.2 mph28.9 mph
DirectionW
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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″0″
The last measurable rain was days ago on and when 10″ rain fell. The Storm Total was 0″.
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This table contains the lightning data from my weather station.
MaxTime
Strikes Per Hour1
Strikes Per Day1
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