North Washington, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Washington, a community in Butler County, Pennsylvania.
Today
74°F
Slight Chance Rain Showers then Partly Sunny
A slight chance of rain showers before noon. Partly sunny, with a high near 74. East wind around 6 mph. Chance of precipitation is 20%.
7-day forecast for North Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Slight Chance Rain Showers then Partly Sunny | 6 mph E | 17% |
| Tonight | 60°F | Showers And Thunderstorms | 6 mph SE | 84% |
| Sunday | 74°F | Showers And Thunderstorms | 8 mph SW | 94% |
| Sunday Night | 50°F | Chance Rain Showers then Mostly Cloudy | 9 mph N | 50% |
| Monday | 66°F | Mostly Cloudy then Slight Chance Rain Showers | 9 mph NE | 24% |
| Monday Night | 48°F | Chance Rain Showers | 8 to 12 mph E | 54% |
| Tuesday | 60°F | Chance Rain Showers | 13 mph E | 54% |
| Tuesday Night | 47°F | Rain Showers Likely | 15 mph E | 57% |
| Wednesday | 59°F | Rain Showers Likely | 15 mph E | 57% |
| Wednesday Night | 47°F | Showers And Thunderstorms Likely | 13 mph E | 63% |
| Thursday | 64°F | Rain Showers Likely | 8 to 12 mph E | 63% |
| Thursday Night | 47°F | Slight Chance Rain Showers | 5 to 8 mph E | 23% |
| Friday | 67°F | Partly Sunny then Slight Chance Rain Showers | 7 mph NE | 15% |
| Friday Night | 47°F | Slight Chance Rain Showers then Partly Cloudy | 7 mph NE | 15% |
Forecast source: National Weather Service (api.weather.gov) for North Washington (41.049, -79.814). Updated through the day.
Growing snapshot for North Washington
Last spring frost
May 7
First fall frost
Oct 14
Growing season
158 days
Hardiness zone
6a
More local growing data for North Washington: nearby ZIP 16048 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Barkeyville
Boyers
Bruin
Butler
Callery
Cherry Valley
Chicora
Connoquenessing
East Butler
Eau Claire
Evans City
Fairview
Fenelton
Forestville
Harlansburg
Harmony
Harrisville
Homeacre-Lyndora
Karns City
Lake Arthur Estates
Mars
Meadowood
Meridian
Nixon
Oak Hills
Petrolia
Portersville
Prospect
Renfrew
Saxonburg
Climate data from the nearest NOAA station, Slippery Rock 1 Ssw, Pa (13.3 mi from North Washington). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.