Glassport, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glassport, a borough in Allegheny County, Pennsylvania.
Overnight
52°F
Mostly Clear
Mostly clear, with a low around 52. East wind around 2 mph.
7-day forecast for Glassport
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 52°F | Mostly Clear | 2 mph E | 1% |
| Wednesday | 79°F | Partly Sunny | 0 to 10 mph S | 13% |
| Wednesday Night | 60°F | Light Rain | 12 mph S | 94% |
| Thursday | 70°F | Chance Light Rain then Partly Sunny | 8 to 14 mph SW | 45% |
| Thursday Night | 48°F | Partly Cloudy | 2 to 7 mph SW | 1% |
| Friday | 64°F | Partly Sunny then Slight Chance Light Rain | 2 to 9 mph SW | 20% |
| Friday Night | 42°F | Chance Light Rain | 5 to 8 mph W | 31% |
| Saturday | 54°F | Chance Light Rain | 8 to 14 mph W | 30% |
| Saturday Night | 36°F | Slight Chance Light Rain | 6 to 12 mph W | 24% |
| Sunday | 56°F | Partly Sunny | 7 to 15 mph W | 7% |
| Sunday Night | 33°F | Partly Cloudy | 8 to 12 mph W | 5% |
| Monday | 57°F | Mostly Sunny | 8 to 15 mph W | 10% |
| Monday Night | 34°F | Mostly Clear | 7 to 10 mph SW | 8% |
| Tuesday | 61°F | Mostly Sunny | 10 to 17 mph SW | 3% |
Forecast source: National Weather Service (api.weather.gov) for Glassport (40.326, -79.886). Updated through the day.
Growing snapshot for Glassport
Last spring frost
May 2
First fall frost
Oct 20
Growing season
170 days
Hardiness zone
6b
More local growing data for Glassport: nearby ZIP 15045 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Allison Park
Arnold
Aspinwall
Avalon
Bairdford
Bakerstown
Baldwin
Bell Acres
Bellevue
Ben Avon
Ben Avon Heights
Bethel Park
Blaine Hill
Blawnox
Boston
Brackenridge
Braddock
Braddock Hills
Bradford Woods
Brentwood
Bridgeville
Buena Vista
Bunola
Carnegie
Carnot-Moon
Castle Shannon
Chalfant
Cheswick
Churchill
Clairton
Climate data from the nearest NOAA station, Mckeesport, Pa (1.6 mi from Glassport). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.