Confluence, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Confluence, a borough in Somerset County, Pennsylvania.
This Afternoon
77°F
Slight Chance Rain Showers
A slight chance of rain showers before 4pm. Partly sunny, with a high near 77. Northwest wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Confluence
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Slight Chance Rain Showers | 3 mph NW | 19% |
| Tonight | 55°F | Widespread Fog | 0 to 3 mph N | 5% |
| Saturday | 78°F | Areas Of Fog then Mostly Sunny | 3 mph E | 3% |
| Saturday Night | 62°F | Partly Cloudy then Chance Rain Showers | 1 to 5 mph SE | 41% |
| Sunday | 78°F | Showers And Thunderstorms | 1 to 5 mph SW | 95% |
| Sunday Night | 60°F | Showers And Thunderstorms | 2 mph NW | 95% |
| Monday | 71°F | Chance Rain Showers | 0 to 5 mph E | 52% |
| Monday Night | 56°F | Showers And Thunderstorms Likely | 6 mph E | 71% |
| Tuesday | 65°F | Showers And Thunderstorms | 9 mph E | 77% |
| Tuesday Night | 50°F | Showers And Thunderstorms | 10 mph E | 76% |
| Wednesday | 62°F | Showers And Thunderstorms Likely | 10 mph E | 69% |
| Wednesday Night | 50°F | Showers And Thunderstorms Likely | 6 to 9 mph E | 55% |
| Thursday | 64°F | Chance Rain Showers | 6 mph E | 51% |
| Thursday Night | 50°F | Chance Rain Showers | 0 to 5 mph E | 35% |
Forecast source: National Weather Service (api.weather.gov) for Confluence (39.810, -79.356). Updated through the day.
Growing snapshot for Confluence
Last spring frost
Apr 30
First fall frost
Oct 18
Growing season
171 days
Hardiness zone
6a
More local growing data for Confluence: nearby ZIP 15424 weather · frost dates · planting calendar · Pennsylvania frost dates
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Climate data from the nearest NOAA station, Confluence 1 Sw Dam, Pa (2 mi from Confluence). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.