Mount Joy, PA Weather & Growing Conditions
Overnight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. North wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 54°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 77°F | Partly Sunny | 7 mph NE | 3% |
| Saturday Night | 61°F | Mostly Cloudy then Rain Showers Likely | 7 to 13 mph SE | 68% |
| Sunday | 75°F | Rain Showers | 9 to 15 mph S | 91% |
| Sunday Night | 56°F | Showers And Thunderstorms | 6 to 10 mph NW | 91% |
| Monday | 69°F | Slight Chance Rain Showers | 12 mph NE | 19% |
| Monday Night | 50°F | Chance Rain Showers | 7 to 13 mph NE | 41% |
| Tuesday | 61°F | Chance Rain Showers | 14 mph NE | 47% |
| Tuesday Night | 49°F | Chance Rain Showers | 13 to 16 mph NE | 44% |
| Wednesday | 62°F | Chance Rain Showers | 17 mph NE | 40% |
| Wednesday Night | 49°F | Chance Rain Showers | 13 to 17 mph NE | 36% |
| Thursday | 63°F | Chance Rain Showers | 16 mph NE | 36% |
| Thursday Night | 49°F | Chance Rain Showers | 7 to 14 mph NE | 33% |
| Friday | 67°F | Chance Rain Showers | 13 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Mount Joy, PA
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
162 days
Hardiness zone
7a
Explore more for Mount Joy, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Landisville 2 Nw, Pa (4.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.