Sewickley Heights, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Sewickley Heights, a borough in Allegheny County, Pennsylvania.
Today
76°F
Partly Sunny then Slight Chance Light Rain
A slight chance of rain after 1pm. Partly sunny. High near 76, with temperatures falling to around 68 in the afternoon. South wind around 9 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
7-day forecast for Sewickley Heights
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Partly Sunny then Slight Chance Light Rain | 9 mph S | 24% |
| Tonight | 60°F | Light Rain Likely | 7 to 10 mph S | 71% |
| Thursday | 67°F | Slight Chance Light Rain then Mostly Sunny | 7 to 12 mph SW | 20% |
| Thursday Night | 48°F | Partly Cloudy | 6 mph SW | 0% |
| Friday | 60°F | Chance Light Rain | 5 to 8 mph W | 34% |
| Friday Night | 40°F | Chance Light Rain | 5 to 8 mph W | 34% |
| Saturday | 51°F | Chance Light Rain | 8 to 12 mph W | 30% |
| Saturday Night | 38°F | Chance Light Rain then Mostly Cloudy | 7 to 10 mph W | 30% |
| Sunday | 54°F | Mostly Sunny | 7 to 12 mph W | 2% |
| Sunday Night | 36°F | Mostly Clear | 9 mph W | 1% |
| Monday | 57°F | Sunny | 8 to 12 mph W | 2% |
| Monday Night | 38°F | Mostly Clear | 6 to 9 mph SW | 2% |
| Tuesday | 61°F | Sunny | 12 mph SW | 1% |
| Tuesday Night | 38°F | Partly Cloudy | 2 to 7 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Sewickley Heights (40.560, -80.153). Updated through the day.
Growing snapshot for Sewickley Heights
Last spring frost
Apr 8
First fall frost
Nov 8
Growing season
212 days
Hardiness zone
6b
More local growing data for Sewickley Heights: nearby ZIP 15143 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, Glenwillard Dashields L&D, Pa (3.4 mi from Sewickley Heights). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.