North Washington, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for North Washington, a community in Butler County, Pennsylvania.
Overnight
61°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy, with a low around 61. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for North Washington
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Showers And Thunderstorms Likely | 5 mph S | 57% |
| Sunday | 73°F | Showers And Thunderstorms | 6 mph W | 83% |
| Sunday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 6 to 9 mph NE | 21% |
| Monday | 67°F | Mostly Cloudy | 10 mph NE | 10% |
| Monday Night | 51°F | Rain Showers Likely | 8 to 12 mph E | 69% |
| Tuesday | 62°F | Rain Showers Likely | 12 mph E | 70% |
| Tuesday Night | 49°F | Rain Showers Likely | 14 mph E | 69% |
| Wednesday | 60°F | Rain Showers Likely | 14 mph E | 67% |
| Wednesday Night | 48°F | Rain Showers Likely | 13 mph E | 60% |
| Thursday | 63°F | Chance Rain Showers | 7 to 12 mph E | 48% |
| Thursday Night | 46°F | Partly Cloudy | 7 mph E | 11% |
| Friday | 67°F | Mostly Sunny | 7 mph NE | 7% |
| Friday Night | 46°F | Partly Cloudy | 7 mph NE | 7% |
| Saturday | 70°F | Mostly Sunny | 7 mph N | 3% |
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 20, 2026.