Long Branch, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Long Branch, a borough in Washington County, Pennsylvania.
Tonight
59°F
Partly Cloudy
Partly cloudy, with a low around 59. Northeast wind 3 to 7 mph.
7-day forecast for Long Branch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 59°F | Partly Cloudy | 3 to 7 mph NE | 13% |
| Saturday | 79°F | Partly Sunny | 5 mph E | 3% |
| Saturday Night | 65°F | Partly Cloudy then Chance Showers And Thunderstorms | 7 mph SE | 54% |
| Sunday | 78°F | Showers And Thunderstorms | 9 mph SW | 94% |
| Sunday Night | 60°F | Showers And Thunderstorms | 5 to 9 mph N | 94% |
| Monday | 70°F | Chance Rain Showers | 10 mph NE | 45% |
| Monday Night | 59°F | Showers And Thunderstorms Likely | 10 mph E | 69% |
| Tuesday | 66°F | Showers And Thunderstorms | 13 mph E | 75% |
| Tuesday Night | 55°F | Showers And Thunderstorms Likely | 14 mph E | 71% |
| Wednesday | 64°F | Showers And Thunderstorms Likely | 13 mph E | 66% |
| Wednesday Night | 54°F | Chance Showers And Thunderstorms | 7 to 12 mph E | 52% |
| Thursday | 65°F | Chance Rain Showers | 9 mph E | 42% |
| Thursday Night | 53°F | Chance Rain Showers | 5 to 8 mph NE | 27% |
| Friday | 68°F | Slight Chance Rain Showers | 5 to 8 mph N | 17% |
Forecast source: National Weather Service (api.weather.gov) for Long Branch (40.098, -79.880). Updated through the day.
Growing snapshot for Long Branch
Last spring frost
Apr 13
First fall frost
Nov 5
Growing season
205 days
Hardiness zone
6b
More local growing data for Long Branch: nearby ZIP 15434 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Charleroi Lock 4, Pa (4.5 mi from Long Branch). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.