Weather For Mount Joy, PA On Wednesday, December 17, 2025

Summary

This morning when I woke up it was much warmer than yesterday. The temperature was in the middle 20s. It had risen to that after a low in the middle teens just after midnight. Dawn brought partly cloudy skies. It was into the middle 30s by mid morning. It was cloudy around lunchtime and in the middle 30s still. The snow was slowly melting. With some periods of sun mixed in the temperature reached the lower 40s by mid afternoon.

Weather Station Data

This table contains the temperature data from my weather station in degrees Fahrenheit.
Today
TemperatureDew Point Feels Like
Average 29.4 ℉ 24.3 ℉ 28.5 ℉
High 43 ℉ at 31.7 ℉ at 43 ℉ at
Low 15.1 ℉ at 11.7 ℉ at 8.4 ℉ at
Range27.9 ℉ 20 ℉34.6 ℉
Yesterday
TemperatureDew Point Feels Like
Average20.3 ℉13.6 ℉18.4 ℉
High33.1 ℉ at 18.1 ℉ at 33.1 ℉ at
Low6.8 ℉ at 5 ℉ at 0.9 ℉ at
Range26.3 ℉ 13.1 ℉32.2 ℉
Difference
TemperatureDew Point Feels Like
Average9.1℉ warmer10.7℉ warmer 10.1℉ warmer
High9.9℉ warmer 13.6℉ warmer 9.9℉ warmer
Low8.3℉ warmer 6.7℉ warmer 7.5℉ warmer

There were 36 heating degree days today

There were 45 heating degree days yesterday

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This table contains the relative humidity data from my weather station.
AverageHighLow Range
81%93% at 61% at 32%
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This table contains the relative barometric pressure data from my weather station in Inches of mercury.
PressureTime
Average30.09″
High30.28″
Low29.95″
Range0.33″
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This table contains the solar data from my weather station
UV Radiation MaxSolar Radiation Max
2 at 302.1 W/m² at
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This table sunrise and sunset information for the day.
TodayDifference From Yesterday
Sunrise at 70° and 0.04° south of yesterday's sunset.
Sunset at 69.83° and 0.04° south of yesterday's sunset.
Solar Noon at 26.51° and 0.03° lower than yesterday.
Sunlight Duration
about data sources
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This table contains the wind data from my weather station in miles per hour.
Wind SpeedGustTime
Average Wind1.8 mph15.9 mph
High4.3 mph18.1 mph
DirectionE
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This table contains the rainfall data from my weather station in inches.
Daily Rain Max HourlyEvent RainYesterday's RainWeekly RainMonthly RainYearly Rain
0.01″0.02″ per hour26.58″ 26.57″26.59″314.26″347.37″
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This table contains the lightning data from my weather station.
MaxTime
Strikes Per Hour1
Strikes Per Day1
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