Sunday, September 13, 2026 Weather For Mount Joy, PA This morning when I woke up it was much warmer than the yesterday. The temperature was in in the lower 70s. Dawn brought overcast skies with a low in the upper 60s. Shortly after sunrise some light rain moved in. The sun came out by late morning and it quickly warmed up. The high was in the middle 80s. Just following the way this year has gone the dew point got into the middle 70s again so it was humid.
This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
Temperature Dew Point Feels Like
Average
74.2℉
70.5℉
76.8℉ High
87.1℉ at 5:10 PM
75.9℉ at 4:39 PM
96.8℉ at 5:10 PM Low
68.7℉ at 3:35 AM
66.6℉ at 1:14 AM
69.7℉ at 3:35 AM Range 18.4℉ 9.3℉ 27.1℉
Yesterday
Temperature Dew Point Feels Like
Average
69.0℉
64.4℉
69.5℉ High
78.4℉ at 3:09 PM
70.5℉ at 3:36 PM
79.5℉ at 3:09 PM
Low
58.6℉ at 4:12 AM
58.0℉ at 4:12 AM
58.6℉ at 4:12 AM
Range 19.8℉ 12.5℉ 20.9℉
Difference
Temperature Dew Point Feels Like
Average 5.2℉ warmer 6.1℉ warmer 7.3℉ warmer
High 8.7℉ warmer 5.4℉ warmer 17.3℉ warmer Low 10.1℉ warmer 8.6℉ warmer 11.1℉ warmer
There were 12.9 cooling degree days today.
There were 4.0 cooling degree days yesterday.
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This table contains the relative humidity data from my weather station.
Average High Low Range
88.0% 99.0% at 8:45 AM 68.0% at 5:09 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 29.94′ High 30.05′ 12:00 AM Low 29.87′ 5:12 PM Range 0.18′
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This table contains the solar data from my weather station
UV Radiation Max Solar Radiation Max 8 at 12:43 PM 863.7 W/m² at 12:43 PM
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This table sunrise and sunset information for the day.
Today Difference From Yesterday Sunrise 6:45:05 AM at 94.32° 57 seconds later than yesterday and 0.33° south of yesterday's sunset. Sunset
7:17:55 PM at 94.44°1 minute and 39 seconds earlier than yesterday and 0.32° south of yesterday's sunset.Solar Noon 1:01:50 PM at 53.49°21 seconds earlier than yesterday and 0.38° lower than yesterday.Sunlight Duration 12 hours, 32 minutes and 50 seconds 2 minutes and 36 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 0.7 mph 6.7 mph 3:57 PM High 2.1 mph 8.1 mph 2:49 PM Direction E
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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
0.01″ 0.02″ per hour 0.0″ 0″ 0.01″ 2.0″ 2.26″
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This table contains the lightning data from my weather station.
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