Oklahoma, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oklahoma, a borough in Westmoreland County, Pennsylvania.
This Afternoon
77°F
Slight Chance Rain Showers
A slight chance of rain showers before 2pm. Partly sunny, with a high near 77. Southeast wind around 5 mph. Chance of precipitation is 20%.
7-day forecast for Oklahoma
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Slight Chance Rain Showers | 5 mph SE | 18% |
| Tonight | 63°F | Showers And Thunderstorms Likely | 7 mph S | 74% |
| Sunday | 77°F | Showers And Thunderstorms | 7 to 10 mph SW | 98% |
| Sunday Night | 53°F | Chance Showers And Thunderstorms | 10 mph N | 51% |
| Monday | 68°F | Chance Rain Showers | 12 mph NE | 32% |
| Monday Night | 52°F | Rain Showers Likely | 14 mph E | 61% |
| Tuesday | 62°F | Rain Showers Likely | 16 mph E | 61% |
| Tuesday Night | 49°F | Rain Showers Likely | 18 mph E | 69% |
| Wednesday | 60°F | Rain Showers Likely | 17 mph E | 69% |
| Wednesday Night | 49°F | Chance Rain Showers | 12 to 16 mph E | 46% |
| Thursday | 66°F | Chance Rain Showers | 13 mph E | 46% |
| Thursday Night | 48°F | Mostly Cloudy | 5 to 12 mph E | 14% |
| Friday | 69°F | Slight Chance Rain Showers | 6 to 9 mph NE | 15% |
| Friday Night | 48°F | Partly Cloudy | 5 to 9 mph N | 13% |
Forecast source: National Weather Service (api.weather.gov) for Oklahoma (40.581, -79.577). Updated through the day.
Growing snapshot for Oklahoma
Last spring frost
Apr 29
First fall frost
Oct 20
Growing season
171 days
More local growing data for Oklahoma: nearby ZIP 15629 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Adamsburg
Arona
Avonmore
Bear Rocks
Bradenville
Calumet
Charleroi
Collinsburg
Crabtree
Delmont
Derry
Donegal
East Vandergrift
Export
Fellsburg
Grapeville
Greensburg
Harrison City
Herminie
Hostetter
Hunker
Hyde Park
Industry
Irwin
Jeannette
Kiskimere
Latrobe
Laurel Mountain
Lawson Heights
Leechburg
Climate data from the nearest NOAA station, Salina 3 W, Pa (6.1 mi from Oklahoma). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.