Fort Washington, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fort Washington, a community in Montgomery County, Pennsylvania.
Overnight
50°F
Mostly Clear
Mostly clear, with a low around 50. South wind around 0 mph.
7-day forecast for Fort Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Mostly Clear | 0 mph | 1% |
| Wednesday | 74°F | Patchy Fog then Sunny | 0 to 10 mph S | 2% |
| Wednesday Night | 59°F | Mostly Cloudy | 5 mph S | 1% |
| Thursday | 73°F | Chance Light Rain | 5 to 10 mph S | 53% |
| Thursday Night | 61°F | Light Rain | 0 to 5 mph SW | 83% |
| Friday | 70°F | Light Rain | 0 to 5 mph N | 83% |
| Friday Night | 50°F | Light Rain | 0 to 5 mph NW | 79% |
| Saturday | 64°F | Mostly Sunny | 5 to 10 mph W | 7% |
| Saturday Night | 41°F | Partly Cloudy | 5 to 10 mph W | 8% |
| Sunday | 60°F | Mostly Sunny | 5 to 10 mph W | 4% |
| Sunday Night | 38°F | Mostly Clear | 5 to 10 mph W | 7% |
| Monday | 58°F | Sunny | 10 to 15 mph W | 7% |
| Monday Night | 36°F | Mostly Clear | 5 to 10 mph W | 5% |
| Tuesday | 62°F | Sunny | 5 to 15 mph W | 4% |
Forecast source: National Weather Service (api.weather.gov) for Fort Washington (40.141, -75.193). Updated through the day.
Growing snapshot for Fort Washington
Last spring frost
Apr 11
First fall frost
Nov 1
Growing season
205 days
Hardiness zone
7b
More local growing data for Fort Washington: nearby ZIP 19034 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Willow Grove Nas, Pa (5.6 mi from Fort Washington). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.