Mount Joy, PA Weather & Growing Conditions
Today
75°F
Patchy Fog then Mostly Sunny
Patchy fog before 8am. Mostly sunny. High near 75, with temperatures falling to around 69 in the afternoon. South wind 1 to 13 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Patchy Fog then Mostly Sunny | 1 to 13 mph S | 1% |
| Tonight | 59°F | Mostly Cloudy then Chance Light Rain | 8 to 12 mph SE | 32% |
| Thursday | 74°F | Light Rain | 8 to 13 mph S | 80% |
| Thursday Night | 57°F | Light Rain Likely | 2 to 7 mph SW | 57% |
| Friday | 70°F | Chance Light Rain | 3 mph NW | 54% |
| Friday Night | 47°F | Chance Light Rain then Partly Cloudy | 2 to 6 mph NW | 27% |
| Saturday | 62°F | Mostly Sunny | 6 to 15 mph NW | 10% |
| Saturday Night | 39°F | Partly Cloudy | 10 to 14 mph W | 10% |
| Sunday | 60°F | Mostly Sunny | 10 to 14 mph NW | 4% |
| Sunday Night | 37°F | Mostly Clear | 10 mph W | 3% |
| Monday | 59°F | Sunny | 10 to 17 mph W | 4% |
| Monday Night | 36°F | Mostly Clear | 5 to 12 mph W | 4% |
| Tuesday | 64°F | Sunny | 6 to 14 mph W | 2% |
| Tuesday Night | 37°F | Mostly Clear | 6 to 10 mph W | 0% |
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 Nov 4, 2026.