Weather For Mount Joy, PA On Tuesday, December 9, 2025

Summary

This morning when I woke up it was much colder than yesterday. The temperature was in the upper single digits. Dawn brought clear skies with the temperature in the upper single digits. The temperature rose quickly under bright sunshine this morning. It was already into the lower 20s by mid morning. The high was only in the lower 30s, a bit below the forecast. The clouds moved in and brought the temperature to a near halt.

Weather Station Data

This table contains the temperature data from my weather station in degrees Fahrenheit.

Today
	Temperature	Dew Point	Feels Like
Average	21.9 ℉	11.3 ℉	20.1 ℉
High	30.2 ℉ at 2:12 PM	20.9 ℉ at 11:39 PM	30 ℉ at 1:48 PM
Low	7.7 ℉ at 7:04 AM	4 ℉ at 12:41 AM	4.8 ℉ at 8:04 AM
Range	22.5 ℉	16.9 ℉	25.2 ℉

Yesterday
	Temperature	Dew Point	Feels Like
Average	27.3 ℉	13.3 ℉	26.4 ℉
High	36.3 ℉ at 2:45 AM	31 ℉ at 1:59 AM	36.3 ℉ at 2:45 AM
Low	18.7 ℉ at 11:29 PM	3.1 ℉ at 2:25 PM	16.1 ℉ at 9:15 PM
Range	17.6 ℉	27.9 ℉	20.2 ℉

Difference
	Temperature	Dew Point	Feels Like
Average	5.4 ℉ cooler	2 ℉ cooler	6.3 ℉ cooler
High	6.1 ℉ cooler	10.1 ℉ cooler	6.3 ℉ cooler
Low	11 ℉ cooler	0.9℉ warmer	11.3 ℉ cooler

There were 46.1 heating degree days today

There were 38 heating degree days yesterday

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This table contains the relative humidity data from my weather station.

Average	High	Low	Range
64%	87% at 5:46 AM	39% at 12:55 PM	48%

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This table contains the relative barometric pressure data from my weather station in Inches of mercury.

	Pressure	Time
Average	30.2″
High	30.37″	12:00 AM
Low	29.96″	11:53 PM
Range	0.41″

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This table contains the solar data from my weather station

UV Radiation Max	Solar Radiation Max
3 at 11:38 AM	331.5 W/m² at 11:38 AM

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This table sunrise and sunset information for the day.

	Today	Difference From Yesterday
Sunrise	7:16:36 AM at 70.56°	51 seconds later than yesterday and 0.1° south of yesterday's sunset.
Sunset	4:40:15 PM at 70.4°	3 seconds later than yesterday and 0.11° south of yesterday's sunset.
Solar Noon	11:58:30 AM at 27.01°	26 seconds later than yesterday and 0.1° lower than yesterday.
Sunlight Duration	9 hours, 23 minutes and 38 seconds	47 seconds shorter than yesterday

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This table contains the wind data from my weather station in miles per hour.

	Wind Speed	Gust	Time
Average Wind	2.3 mph	14.8 mph	4:01 PM
High	4.6 mph	18.3 mph	3:48 PM
Direction	SE

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This table contains the rainfall data from my weather station in inches.

Daily Rain	Max Hourly	Event Rain	Yesterday's Rain	Weekly Rain	Monthly Rain	Yearly Rain
0″	0″ per hour	0″	0″	0″	287.65″	320.75″
The last measurable rain was 6 days ago on Wednesday, December 3, 2025 and when 31.75″ rain fell. The Storm Total was 257.96″.

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This table contains the lightning data from my weather station.

	Max	Time
Strikes Per Hour	2	12:00 AM
Strikes Per Day	2

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