Conshohocken, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Conshohocken, a borough in Montgomery County, Pennsylvania.
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. South wind 0 to 5 mph.
7-day forecast for Conshohocken
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 0 to 5 mph S | 2% |
| Wednesday | 75°F | Patchy Fog then Sunny | 0 to 10 mph S | 2% |
| Wednesday Night | 59°F | Mostly Cloudy | 5 mph S | 5% |
| Thursday | 74°F | Chance Light Rain | 5 to 10 mph S | 48% |
| Thursday Night | 62°F | Light Rain | 0 to 5 mph S | 78% |
| Friday | 70°F | Light Rain | 0 to 5 mph W | 78% |
| Friday Night | 51°F | Light Rain | 0 to 5 mph NW | 76% |
| Saturday | 65°F | Chance Light Rain | 5 to 10 mph NW | 35% |
| Saturday Night | 41°F | Slight Chance Light Rain then Partly Cloudy | 5 mph NW | 15% |
| Sunday | 61°F | Mostly Sunny | 5 to 10 mph W | 8% |
| Sunday Night | 39°F | Slight Chance Light Rain | 5 mph W | 19% |
| Monday | 60°F | Slight Chance Light Rain | 5 to 15 mph NW | 23% |
| Monday Night | 38°F | Slight Chance Light Rain | 5 to 10 mph W | 23% |
| Tuesday | 63°F | Sunny | 5 to 15 mph W | 14% |
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 Nov 4, 2026.