Washington Boro, PA Weather & Growing Conditions
This Afternoon
84°F
Mostly Sunny
Mostly sunny, with a high near 84. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Mostly Sunny | 5 mph NE | 0% |
| Tonight | 69°F | Mostly Cloudy then Slight Chance Rain Showers | 5 mph E | 21% |
| Wednesday | 83°F | Chance Showers And Thunderstorms | 2 to 6 mph SE | 73% |
| Wednesday Night | 71°F | Showers And Thunderstorms Likely | 6 mph S | 73% |
| Thursday | 89°F | Partly Sunny then Showers And Thunderstorms Likely | 3 to 8 mph S | 64% |
| Thursday Night | 73°F | Showers And Thunderstorms Likely | 2 to 7 mph SW | 64% |
| Friday | 89°F | Mostly Sunny then Showers And Thunderstorms Likely | 2 to 6 mph SW | 66% |
| Friday Night | 70°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph SW | 66% |
| Saturday | 89°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph W | 51% |
| Saturday Night | 70°F | Chance Showers And Thunderstorms | 2 to 6 mph SW | 51% |
| Sunday | 89°F | Mostly Sunny | 3 to 7 mph W | 10% |
| Sunday Night | 71°F | Partly Cloudy | 2 to 6 mph SW | 10% |
| Monday | 91°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 9 mph W | 18% |
| Monday Night | 72°F | Slight Chance Showers And Thunderstorms | 7 mph W | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Washington Boro, PA
Last spring frost
Apr 1
First fall frost
Nov 10
Growing season
221 days
Hardiness zone
7a
Explore more for Washington Boro, PA: full frost dates · planting calendar · Pennsylvania frost dates
Climate data from the nearest NOAA station, Safe Harbor Dam, Pa (5.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.