Souderton, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Souderton, a borough in Montgomery County, Pennsylvania.
Tonight
55°F
Partly Cloudy
Partly cloudy, with a low around 55. North wind around 5 mph.
7-day forecast for Souderton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 72°F | Mostly Sunny | 5 to 10 mph E | 1% |
| Saturday Night | 60°F | Patchy Fog | 5 mph E | 30% |
| Sunday | 73°F | Showers And Thunderstorms | 5 to 10 mph S | 85% |
| Sunday Night | 59°F | Patchy Fog | 5 to 10 mph NW | 85% |
| Monday | 68°F | Chance Rain Showers | 10 mph NE | 37% |
| Monday Night | 54°F | Chance Rain Showers | 5 to 10 mph NE | 30% |
| Tuesday | 62°F | Chance Rain Showers | 10 to 15 mph NE | 36% |
| Tuesday Night | 51°F | Chance Rain Showers | 10 to 15 mph NE | 36% |
| Wednesday | 61°F | Chance Rain Showers | 15 mph NE | 34% |
| Wednesday Night | 50°F | Chance Rain Showers | 10 to 15 mph NE | 37% |
| Thursday | 62°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 35% |
| Thursday Night | 51°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 33% |
| Friday | 67°F | Slight Chance Rain Showers | 10 mph N | 23% |
Forecast source: National Weather Service (api.weather.gov) for Souderton (40.311, -75.322). Updated through the day.
Growing snapshot for Souderton
Last spring frost
Apr 26
First fall frost
Oct 17
Growing season
175 days
Hardiness zone
7a
More local growing data for Souderton: nearby ZIP 18964 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Sellersville, Pa (3.8 mi from Souderton). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.