Sunday, January 4, 2026 Weather For Mount Joy, PA This morning when I woke up it wasn’t quite as cold as yesterday was. The temperature was in the middle 20s. Dawn brought overcast skies with a low right at 25℉. The sky quickly cleared but the temperature was still slow to rise. We reached the middle 30s by late morning with fading sunshine. With the clouds moving in the temperature stalled in the middle 30s just above freezing.
This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
Temperature Dew Point Feels Like
Average
29.0℉
20.8℉
28.3℉ High
33.4℉ at 11:22 AM
22.6℉ at 1:54 PM
33.4℉ at 11:59 AM Low
25.0℉ at 12:13 AM
17.5℉ at 2:52 AM
20.6℉ at 4:17 AM Range 8.4℉ 5.1℉ 12.8℉
Yesterday
Temperature Dew Point Feels Like
Average
25.3℉
15.6℉
24.8℉ High
29.7℉ at 1:22 PM
19.0℉ at 11:58 PM
29.7℉ at 1:22 PM
Low
21.0℉ at 6:05 AM
12.6℉ at 3:34 AM
14.0℉ at 1:39 AM
Range 8.7℉ 6.4℉ 15.7℉
Difference
Temperature Dew Point Feels Like
Average 3.7℉ warmer 5.2℉ warmer 3.5℉ warmer
High 3.7℉ warmer 3.6℉ warmer 3.7℉ warmer Low 4.0℉ warmer 4.9℉ warmer 6.6℉ warmer
There were 35.8 heating degree days today
There were 40.0 heating degree days yesterday
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This table contains the relative humidity data from my weather station.
Average High Low Range
71.0% 80.0% at 4:22 AM 61.0% at 10:46 AM 19.0%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
Pressure Time
Average 30.17′ High 30.3′ 9:50 PM Low 30.05′ 12:19 AM Range 0.25′
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This table contains the solar data from my weather station
UV Radiation Max Solar Radiation Max 4 at 11:18 AM 418.4 W/m² at 11:18 AM
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This table sunrise and sunset information for the day.
Today Difference From Yesterday Sunrise 7:28:23 AM at 70.64° 1 second later than yesterday and 0.1° north of yesterday's sunset. Sunset
4:53:51 PM at 70.48°54 seconds later than yesterday and 0.11° north of yesterday's sunset.Solar Noon 12:11:02 PM at 27.23°27 seconds later than yesterday and 0.11° higher than yesterday.Sunlight Duration 9 hours, 25 minutes and 29 seconds 52 seconds longer 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 1.5 mph 14.1 mph 2:23 PM High 4.0 mph 22.4 mph 2:23 PM Direction N
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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 0.0″ 0″ 0.0″ 0.0″ 0.0″ The last measurable rain was 4
days ago on Wednesday, December 31, 2025
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This table contains the lightning data from my weather station.
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