Saturday, December 20, 2025 Weather For Mount Joy, PA
This morning when I woke up it was much colder than it has been in a while. The temperature was in the middle 20s. Dawn brought clear skies. It was sunny this morning but much cooler than yesterday. It was only just above freezing by late morning. The afternoon was sunny with much calmer winds and the temperature into the upper 30s. The high this afternoon was in the lower 40s.
This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
Temperature Dew Point Feels Like
Average
30.0℉
20.7℉
28.4℉ High
40.6℉ at 3:30 PM
29.0℉ at 11:51 PM
40.5℉ at 3:31 PM Low
22.6℉ at 5:28 AM
14.7℉ at 12:26 AM
12.2℉ at 12:58 AM Range 18.0℉ 14.3℉ 28.3℉
Yesterday
Temperature Dew Point Feels Like
Average
43.7℉
38.0℉
41.6℉ High
59.2℉ at 5:57 AM
58.3℉ at 5:57 AM
59.2℉ at 5:57 AM
Low
25.7℉ at 11:39 PM
14.3℉ at 11:35 PM
14.7℉ at 11:10 PM
Range 33.5℉ 44.0℉ 44.5℉
Difference
Temperature Dew Point Feels Like
Average 13.7℉ cooler 17.3℉ cooler 13.2℉ cooler
High 18.6℉ cooler 29.3℉ cooler 18.7℉ cooler Low 3.1℉ cooler 0.4℉ warmer 2.5℉ cooler
There were 33.4 heating degree days today
There were 23.0 heating degree days yesterday
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This table contains the relative humidity data from my weather station.
Average High Low Range
68.0% 87.0% at 10:55 PM 56.0% at 2:02 PM 31.0%
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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 30.35′ 7:48 AM Low 30.05′ 11:45 PM Range 0.3′
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This table contains the solar data from my weather station
UV Radiation Max Solar Radiation Max 3 at 11:35 AM 314.4 W/m² at 11:36 AM
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This table sunrise and sunset information for the day.
Today Difference From Yesterday Sunrise 7:24:15 AM at 69.93° 33 seconds later than yesterday and 0.02° south of yesterday's sunset. Sunset
4:43:18 PM at 69.75°27 seconds later than yesterday and 0.02° south of yesterday's sunset.Solar Noon 12:03:47 PM at 26.46°30 seconds later than yesterday and 0.01° lower than yesterday.Sunlight Duration 9 hours, 19 minutes and 3 seconds 6 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 2.6 mph 18.6 mph 12:58 AM High 5.3 mph 18.6 mph 12:55 AM 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″ 0.0″ per hour 0.26″ 0.08″ 26.85″ 314.53″ 347.63″ The last measurable rain was yesterday on Friday, December 19, 2025
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This table contains the lightning data from my weather station.
Max Time
Strikes Per Hour 1 4:06 AM Strikes Per Day 1
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