Merion Station, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Merion Station, a community in Montgomery County, Pennsylvania.
This Afternoon
76°F
Partly Sunny
Partly sunny, with a high near 76. East wind around 5 mph.
7-day forecast for Merion Station
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Partly Sunny | 5 mph E | 2% |
| Tonight | 60°F | Mostly Cloudy | 5 to 10 mph E | 12% |
| Sunday | 76°F | Rain Showers Likely | 5 to 10 mph S | 65% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 5 to 10 mph W | 74% |
| Monday | 69°F | Chance Rain Showers | 5 to 10 mph NE | 40% |
| Monday Night | 54°F | Chance Rain Showers | 5 to 10 mph NE | 35% |
| Tuesday | 63°F | Chance Rain Showers | 10 to 15 mph NE | 42% |
| Tuesday Night | 52°F | Chance Rain Showers | 10 to 15 mph NE | 40% |
| Wednesday | 63°F | Chance Rain Showers | 15 mph NE | 31% |
| Wednesday Night | 52°F | Chance Rain Showers | 15 mph NE | 33% |
| Thursday | 62°F | Chance Rain Showers | 15 mph NE | 34% |
| Thursday Night | 51°F | Chance Rain Showers | 10 to 15 mph N | 34% |
| Friday | 65°F | Chance Rain Showers | 10 to 15 mph N | 29% |
| Friday Night | 52°F | Chance Rain Showers | 10 mph N | 26% |
Forecast source: National Weather Service (api.weather.gov) for Merion Station (40.004, -75.250). Updated through the day.
Growing snapshot for Merion Station
Last spring frost
Mar 30
First fall frost
Nov 17
Growing season
232 days
Hardiness zone
7b
More local growing data for Merion Station: nearby ZIP 19066 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Phila Franklin Inst, Pa (5 mi from Merion Station). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.