10-day forecast for Mount Joy, PA: 55° to 87°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
87°
Best day: Sunday, August 9
74° · 0.3 in
Worst day: Monday, August 17
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1087° / 72°0.12
Morning74°feels 75°
Afternoon83°feels 86°
Evening79°feels 79°
Overnight73°feels 74°
87 °
Mount Joy, Monday, 10 August
Rain. High 87°, low 72°.
Pressure30.00 inHg
Wind4.8 mph NW
Humidity55%
Visibility6.2 mi
Dew point65°
Tue, 1186° / 68°0.28
Morning70°feels 71°
Afternoon85°feels 88°
Evening77°feels 77°
Overnight71°feels 72°
86 °
Mount Joy, Tuesday, 11 August
Rain. High 86°, low 68°.
Pressure29.94 inHg
Wind7 mph W
Humidity62%
Visibility6.2 mi
Dew point68°
Wed, 1284° / 68°0.04
Morning71°feels 72°
Afternoon82°feels 85°
Evening75°feels 76°
Overnight70°feels 71°
84 °
Mount Joy, Wednesday, 12 August
Light rain. High 84°, low 68°.
Pressure29.77 inHg
Wind10.6 mph W
Humidity73%
Visibility6.2 mi
Dew point69°
Thu, 1380° / 63°0
Morning74°feels 74°
Afternoon78°feels 78°
Evening67°feels 66°
Overnight64°feels 64°
80 °
Mount Joy, Thursday, 13 August
Mostly clear. High 80°, low 63°.
Pressure29.83 inHg
Wind14.7 mph NW
Humidity40%
Visibility—
Dew point53°
Fri, 1478° / 56°0
Morning65°feels 64°
Afternoon75°feels 74°
Evening68°feels 67°
Overnight64°feels 63°
78 °
Mount Joy, Friday, 14 August
Clear. High 78°, low 56°.
Pressure30.03 inHg
Wind8.8 mph NW
Humidity39%
Visibility—
Dew point48°
Sat, 1578° / 57°0
Morning66°feels 65°
Afternoon75°feels 75°
Evening67°feels 66°
Overnight62°feels 61°
78 °
Mount Joy, Saturday, 15 August
Clear. High 78°, low 57°.
Pressure30.15 inHg
Wind13.3 mph NW
Humidity40%
Visibility—
Dew point49°
Sun, 1678° / 55°0
Morning66°feels 65°
Afternoon77°feels 76°
Evening69°feels 69°
Overnight63°feels 63°
78 °
Mount Joy, Sunday, 16 August
Overcast. High 78°, low 55°.
Pressure30.18 inHg
Wind6.1 mph SE
Humidity45%
Visibility—
Dew point53°
Mon, 1774° / 63°0.3
Morning69°feels 69°
Afternoon73°feels 73°
Evening66°feels 67°
Overnight65°feels 66°
74 °
Mount Joy, Monday, 17 August
Rain. High 74°, low 63°.
Pressure30.09 inHg
Wind7.7 mph SE
Humidity69%
Visibility—
Dew point62°
Tue, 1867° / 64°0.19
Morning66°feels 67°
Afternoon67°feels 68°
Evening66°feels 67°
Overnight66°feels 67°
67 °
Mount Joy, Tuesday, 18 August
Light rain. High 67°, low 64°.
Pressure30.06 inHg
Wind6.7 mph SE
Humidity94%
Visibility—
Dew point65°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Mount Joy, PA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.