Weather For Mount Joy, PA On Tuesday, January 20, 2026

Summary

This morning when I woke up it was not quite as cold as yesterday. The temperature was in the middle teens. Dawn brought clear skies. The low was in the lower teens near dawn. In spite of bright sunshine all morning it was till only in the middle teens by late morning. At lunchtime it was only in the lower 20s and a bit breezy. By late afternoon it was into the middle 20s. It was back into the upper teens by early evening.

Weather Station Data

This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
TemperatureDew Point Feels Like
Average 17.6 ℉ 2.5 ℉ 15.6 ℉
High 25.5 ℉ at 8.8 ℉ at 25.2 ℉ at
Low 6.6 ℉ at -0.5 ℉ at 2.4 ℉ at
Range18.9 ℉ 9.3 ℉22.8 ℉
Yesterday
TemperatureDew Point Feels Like
Average23.6 ℉14.4 ℉22.2 ℉
High36.9 ℉ at 21.9 ℉ at 36.9 ℉ at
Low9.1 ℉ at 6.7 ℉ at 5.4 ℉ at
Range27.8 ℉ 15.2 ℉31.5 ℉
Difference
TemperatureDew Point Feels Like
Average6 ℉ cooler11.9 ℉ cooler 6.6 ℉ cooler
High11.4 ℉ cooler 13.1 ℉ cooler 11.7 ℉ cooler
Low2.5 ℉ cooler 7.2 ℉ cooler 3 ℉ cooler

There were 49 heating degree days today

There were 42 heating degree days yesterday

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This table contains the relative humidity data from my weather station.
AverageHighLow Range
51%75% at 36% at 39%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
PressureTime
Average30.41″
High30.56″
Low30.22″
Range0.34″
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This table contains the solar data from my weather station
UV Radiation MaxSolar Radiation Max
4 at 431.8 W/m² at
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This table sunrise and sunset information for the day.
TodayDifference From Yesterday
Sunrise at 73.24° and 0.21° north of yesterday's sunset.
Sunset at 73.13° and 0.21° north of yesterday's sunset.
Solar Noon at 29.88° and 0.22° 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 Wind2.3 mph13.6 mph
High6.3 mph19.2 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″17.72″17.72″
The last measurable rain was days ago on and when 17.72″ rain fell. The Storm Total was 17.72″.
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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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