Conshohocken, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Conshohocken, a borough in Montgomery County, Pennsylvania.
This Afternoon
84°F
Mostly Sunny
Mostly sunny, with a high near 84. North wind 5 to 10 mph.
7-day forecast for Conshohocken
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Tonight | 58°F | Partly Cloudy | 5 mph N | 0% |
| Saturday | 75°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Saturday Night | 62°F | Mostly Cloudy then Patchy Fog | 5 to 10 mph E | 20% |
| Sunday | 76°F | Showers And Thunderstorms | 5 to 10 mph S | 82% |
| Sunday Night | 61°F | Showers And Thunderstorms | 5 to 10 mph W | 83% |
| Monday | 70°F | Chance Rain Showers | 10 mph NE | 43% |
| Monday Night | 57°F | Chance Rain Showers | 5 to 10 mph NE | 31% |
| Tuesday | 65°F | Chance Rain Showers | 10 to 15 mph NE | 35% |
| Tuesday Night | 54°F | Chance Rain Showers | 10 to 15 mph NE | 35% |
| Wednesday | 64°F | Chance Rain Showers | 15 mph NE | 35% |
| Wednesday Night | 53°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 38% |
| Thursday | 64°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 37% |
| Thursday Night | 53°F | Chance Showers And Thunderstorms | 5 to 10 mph NE | 32% |
Forecast source: National Weather Service (api.weather.gov) for Conshohocken (40.077, -75.304). Updated through the day.
Growing snapshot for Conshohocken
Last spring frost
Apr 8
First fall frost
Oct 31
Growing season
203 days
Hardiness zone
7b
More local growing data for Conshohocken: nearby ZIP 19428 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Norristown, Pa (2.7 mi from Conshohocken). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.