Long Branch, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Long Branch, a borough in Washington County, Pennsylvania.
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. South wind around 3 mph.
7-day forecast for Long Branch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 3 mph S | 1% |
| Wednesday | 77°F | Partly Sunny | 3 to 8 mph S | 11% |
| Wednesday Night | 61°F | Light Rain | 10 mph S | 96% |
| Thursday | 70°F | Chance Light Rain then Partly Sunny | 8 to 13 mph SW | 48% |
| Thursday Night | 48°F | Partly Cloudy | 2 to 6 mph SW | 2% |
| Friday | 63°F | Partly Sunny then Slight Chance Light Rain | 3 to 8 mph SW | 20% |
| Friday Night | 41°F | Chance Light Rain | 5 to 8 mph W | 34% |
| Saturday | 52°F | Chance Light Rain | 8 to 12 mph W | 34% |
| Saturday Night | 36°F | Chance Light Rain | 6 to 10 mph W | 28% |
| Sunday | 54°F | Partly Sunny | 6 to 13 mph W | 8% |
| Sunday Night | 33°F | Partly Cloudy | 9 mph SW | 5% |
| Monday | 55°F | Mostly Sunny | 8 to 12 mph W | 9% |
| Monday Night | 34°F | Mostly Clear | 7 to 10 mph SW | 9% |
| Tuesday | 59°F | Sunny | 10 to 14 mph SW | 3% |
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 Nov 4, 2026.