Weather For Mount Joy, PA On Monday, January 19, 2026

Summary

This morning when I woke up it was much colder than yesterday. The temperature was in the upper single digits. Dawn brought mostly clear skies and cold conditions. It was cloudy but into the middle 20s by mid morning. The sun came out late this morning after being cloudy most of the morning. It got to near freezing around lunchtime. This afternoon it was clear wit temperatures were hanging out in the middle 30s.

Weather Station Data

This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
TemperatureDew Point Feels Like
Average 23.6 ℉ 14.4 ℉ 22.2 ℉
High 36.9 ℉ at 21.9 ℉ at 36.9 ℉ at
Low 9.1 ℉ at 6.7 ℉ at 5.4 ℉ at
Range27.8 ℉ 15.2 ℉31.5 ℉
Yesterday
TemperatureDew Point Feels Like
Average27.6 ℉24.9 ℉27.3 ℉
High34 ℉ at 33.1 ℉ at 34 ℉ at
Low17.6 ℉ at 12.1 ℉ at 13.9 ℉ at
Range16.4 ℉ 21 ℉20.1 ℉
Difference
TemperatureDew Point Feels Like
Average4 ℉ cooler10.5 ℉ cooler 5.1 ℉ cooler
High2.9℉ warmer 11.2 ℉ cooler 2.9℉ warmer
Low8.5 ℉ cooler 5.4 ℉ cooler 8.5 ℉ cooler

There were 42 heating degree days today

There were 39 heating degree days yesterday

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This table contains the relative humidity data from my weather station.
AverageHighLow Range
69%93% at 48% at 45%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
PressureTime
Average30.05″
High30.23″
Low29.97″
Range0.26″
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This table contains the solar data from my weather station
UV Radiation MaxSolar Radiation Max
4 at 435.5 W/m² at
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This table sunrise and sunset information for the day.
TodayDifference From Yesterday
Sunrise at 73.03° and 0.2° north of yesterday's sunset.
Sunset at 72.92° and 0.21° north of yesterday's sunset.
Solar Noon at 29.67° and 0.21° 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 Wind2.1 mph16.1 mph
High5.7 mph22.1 mph
DirectionSSW
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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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