Washington, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Washington, a city in Washington County, Pennsylvania.
This Afternoon
77°F
Partly Sunny
Partly sunny, with a high near 77. Southeast wind around 3 mph.
7-day forecast for Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Partly Sunny | 3 mph SE | 14% |
| Tonight | 66°F | Showers And Thunderstorms Likely | 2 to 8 mph S | 73% |
| Sunday | 79°F | Showers And Thunderstorms | 7 to 10 mph SW | 96% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 7 to 10 mph N | 55% |
| Monday | 69°F | Chance Rain Showers | 13 mph NE | 46% |
| Monday Night | 56°F | Showers And Thunderstorms Likely | 12 mph NE | 66% |
| Tuesday | 67°F | Rain Showers Likely | 10 to 14 mph E | 67% |
| Tuesday Night | 54°F | Showers And Thunderstorms | 15 mph E | 77% |
| Wednesday | 65°F | Showers And Thunderstorms | 16 mph E | 77% |
| Wednesday Night | 52°F | Rain Showers Likely | 10 to 15 mph E | 61% |
| Thursday | 65°F | Rain Showers Likely | 12 mph E | 61% |
| Thursday Night | 50°F | Slight Chance Rain Showers | 5 to 9 mph E | 21% |
| Friday | 69°F | Partly Sunny | 6 to 9 mph NE | 14% |
| Friday Night | 50°F | Partly Cloudy | 5 to 8 mph NE | 13% |
Forecast source: National Weather Service (api.weather.gov) for Washington (40.174, -80.247). Updated through the day.
Growing snapshot for Washington
Last spring frost
Apr 24
First fall frost
Oct 23
Growing season
181 days
Hardiness zone
6b
More local growing data for Washington: nearby ZIP 15301 weather · frost dates · planting calendar · Pennsylvania frost dates
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East Washington
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Climate data from the nearest NOAA station, Washington 3 Ne, Pa (3.5 mi from Washington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.