Philadelphia, NY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Philadelphia, a village in Jefferson County, New York.
Today
76°F
Mostly Sunny
Mostly sunny. High near 76, with temperatures falling to around 70 in the afternoon. South wind around 8 mph.
7-day forecast for Philadelphia
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Mostly Sunny | 8 mph S | 0% |
| Tonight | 57°F | Mostly Cloudy then Rain Showers Likely | 8 to 12 mph S | 68% |
| Thursday | 67°F | Rain Showers | 8 to 13 mph SW | 95% |
| Thursday Night | 47°F | Mostly Cloudy | 6 mph SW | 2% |
| Friday | 62°F | Mostly Cloudy | 5 mph SW | 13% |
| Friday Night | 40°F | Chance Rain Showers | 5 mph NE | 29% |
| Saturday | 53°F | Chance Rain Showers | 8 mph N | 47% |
| Saturday Night | 34°F | Chance Rain Showers | 6 mph NW | 47% |
| Sunday | 51°F | Chance Rain Showers | 5 to 10 mph W | 35% |
| Sunday Night | 31°F | Chance Rain Showers | 7 mph W | 31% |
| Monday | 51°F | Chance Rain Showers | 6 to 10 mph W | 31% |
| Monday Night | 31°F | Slight Chance Rain Showers | 6 mph SW | 19% |
| Tuesday | 52°F | Chance Rain Showers | 6 to 14 mph SW | 41% |
| Tuesday Night | 29°F | Slight Chance Rain And Snow Showers | 5 to 9 mph W | 41% |
Forecast source: National Weather Service (api.weather.gov) for Philadelphia (44.154, -75.710). Updated through the day.
Growing snapshot for Philadelphia
Last spring frost
May 14
First fall frost
Sep 26
Growing season
134 days
Hardiness zone
5a
More local growing data for Philadelphia: nearby ZIP 13673 weather · frost dates · planting calendar · New York frost dates
Nearby towns & communities
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Deferiet
Depauville
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Pierrepont Manor
Climate data from the nearest NOAA station, Gouverneur 3 Nw, Ny (16 mi from Philadelphia). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.