Harman US

Manor, PA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Manor, a borough in Westmoreland County, Pennsylvania.

Tonight
51°F
Mostly Clear
Mostly clear, with a low around 51. South wind around 3 mph.

7-day forecast for Manor

WhenTempForecastWindPrecip
Tonight 51°F Mostly Clear 3 mph S 2%
Wednesday 78°F Partly Sunny 2 to 9 mph S 6%
Wednesday Night 61°F Light Rain 10 mph S 99%
Thursday 71°F Chance Light Rain 8 to 15 mph SW 51%
Thursday Night 49°F Partly Cloudy 1 to 7 mph SW 9%
Friday 66°F Partly Sunny 1 to 8 mph W 13%
Friday Night 44°F Chance Light Rain 2 to 6 mph NW 28%
Saturday 56°F Chance Light Rain 7 to 14 mph W 30%
Saturday Night 36°F Slight Chance Light Rain then Partly Cloudy 3 to 10 mph W 24%
Sunday 56°F Partly Sunny then Slight Chance Light Rain 5 to 14 mph SW 18%
Sunday Night 34°F Slight Chance Light Rain 12 mph W 23%
Monday 56°F Chance Light Rain 13 to 20 mph W 32%
Monday Night 35°F Chance Light Rain 10 to 16 mph SW 32%
Tuesday 60°F Mostly Sunny 16 to 23 mph SW 11%

Forecast source: National Weather Service (api.weather.gov) for Manor (40.346, -79.669). Updated through the day.

Growing snapshot for Manor

Last spring frost
Apr 22
First fall frost
Oct 25
Growing season
186 days
Hardiness zone
6b

More local growing data for Manor: nearby ZIP 15665 weather · frost dates · planting calendar · Pennsylvania frost dates

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Climate data from the nearest NOAA station, Murrysville 2 Sw, Pa (6 mi from Manor). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.