Merion Station, PA Weather & Growing Conditions
This Afternoon
76°F
Partly Sunny
Partly sunny, with a high near 76. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Partly Sunny | 5 mph E | 2% |
| Tonight | 62°F | Mostly Cloudy | 5 to 10 mph E | 11% |
| Sunday | 77°F | Rain Showers Likely | 5 to 10 mph SE | 70% |
| Sunday Night | 61°F | Showers And Thunderstorms Likely then Mostly Cloudy | 5 to 10 mph NW | 68% |
| Monday | 70°F | Partly Sunny then Chance Rain Showers | 5 to 10 mph NE | 31% |
| Monday Night | 55°F | Chance Rain Showers | 5 to 10 mph NE | 31% |
| Tuesday | 65°F | Chance Rain Showers | 10 mph NE | 39% |
| Tuesday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 38% |
| Wednesday | 63°F | Slight Chance Rain Showers | 15 mph NE | 22% |
| Wednesday Night | 53°F | Chance Rain Showers | 10 to 15 mph NE | 25% |
| Thursday | 62°F | Chance Rain Showers | 15 mph NE | 28% |
| Thursday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 33% |
| Friday | 66°F | Chance Rain Showers | 10 to 15 mph N | 32% |
| Friday Night | 53°F | Chance Rain Showers | 10 to 15 mph N | 32% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Merion Station, PA
Last spring frost
Mar 30
First fall frost
Nov 17
Growing season
232 days
Hardiness zone
7b
Explore more for Merion Station, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Phila Franklin Inst, Pa (5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.