Friday, September 18, 2026 Weather For Mount Joy, PA
This morning when I woke up it was similar to yesterday. The temperature was in in the upper 60s and it was humid. Dawn brought some clouds with temperatures in the upper 60s. It had reached the lower 80s by lunchtime with a mix of sun and clouds. The dew point was finally starting to drop. The high this afternoon was in the middle 80s with the sky finally clearing late in the day.
This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
Temperature Dew Point Feels Like
Average
73.4℉
67.4℉
74.7℉ High
84.7℉ at 4:00 PM
72.8℉ at 10:26 AM
89.6℉ at 4:09 PM Low
63.5℉ at 11:58 PM
57.9℉ at 11:51 PM
63.5℉ at 11:58 PM Range 21.2℉ 14.9℉ 26.1℉
Yesterday
Temperature Dew Point Feels Like
Average
74.1℉
71.4℉
76.5℉ High
84.0℉ at 3:48 PM
77.0℉ at 3:38 PM
93.6℉ at 3:48 PM
Low
66.7℉ at 7:20 AM
66.0℉ at 6:45 AM
66.7℉ at 7:20 AM
Range 17.3℉ 11.0℉ 26.9℉
Difference
Temperature Dew Point Feels Like
Average 0.7℉ cooler 4.0℉ cooler 1.8℉ cooler
High 0.7℉ warmer 4.2℉ cooler 4.0℉ cooler Low 3.2℉ cooler 8.1℉ cooler 3.2℉ cooler
There were 9.1 cooling degree days today.
There were 10.0 cooling degree days yesterday.
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This table contains the relative humidity data from my weather station.
Average High Low Range
82.0% 99.0% at 12:00 AM 61.0% at 1:26 PM 38.0%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
Pressure Time
Average 30.12′ High 30.18′ 11:37 PM Low 30.07′ 3:57 AM Range 0.11′
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This table contains the solar data from my weather station
UV Radiation Max Solar Radiation Max 8 at 1:29 PM 834.3 W/m² at 1:29 PM
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This table sunrise and sunset information for the day.
Today Difference From Yesterday Sunrise 6:49:50 AM at 92.69° 57 seconds later than yesterday and 0.33° south of yesterday's sunset. Sunset
7:09:37 PM at 92.81°1 minute and 40 seconds earlier than yesterday and 0.33° south of yesterday's sunset.Solar Noon 1:00:04 PM at 51.56°21 seconds earlier than yesterday and 0.39° lower than yesterday.Sunlight Duration 12 hours, 19 minutes and 47 seconds 2 minutes and 37 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 0.6 mph 7.6 mph 11:27 AM High 2.2 mph 9.8 mph 10:53 AM 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″ 0.02″ per hour 0.42″ 0.44″ 0.46″ 2.45″ 2.71″ The last measurable rain was yesterday on Thursday, September 17, 2026
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This table contains the lightning data from my weather station.
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