Seward, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seward, a borough in Indiana County, Pennsylvania.
Today
76°F
Partly Sunny
Partly sunny, with a high near 76. Southeast wind 3 to 7 mph.
7-day forecast for Seward
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 76°F | Partly Sunny | 3 to 7 mph SE | 4% |
| Tonight | 62°F | Showers And Thunderstorms Likely | 5 to 8 mph SE | 55% |
| Sunday | 77°F | Showers And Thunderstorms | 3 to 8 mph SW | 97% |
| Sunday Night | 53°F | Showers And Thunderstorms | 6 mph N | 90% |
| Monday | 68°F | Chance Rain Showers | 7 mph NE | 36% |
| Monday Night | 50°F | Rain Showers Likely | 7 to 10 mph E | 70% |
| Tuesday | 62°F | Rain Showers Likely | 10 to 15 mph E | 70% |
| Tuesday Night | 48°F | Rain Showers Likely | 15 mph E | 56% |
| Wednesday | 59°F | Rain Showers Likely | 15 mph E | 56% |
| Wednesday Night | 48°F | Rain Showers Likely | 10 to 14 mph E | 57% |
| Thursday | 64°F | Rain Showers Likely | 10 mph E | 57% |
| Thursday Night | 48°F | Chance Showers And Thunderstorms | 2 to 7 mph E | 37% |
| Friday | 69°F | Slight Chance Rain Showers | 2 to 6 mph NE | 20% |
| Friday Night | 47°F | Slight Chance Rain Showers then Mostly Cloudy | 1 to 6 mph NE | 20% |
Forecast source: National Weather Service (api.weather.gov) for Seward (40.413, -79.022). Updated through the day.
Growing snapshot for Seward
Last spring frost
Apr 29
First fall frost
Oct 21
Growing season
176 days
Hardiness zone
6b
More local growing data for Seward: nearby ZIP 15954 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Alverda
Armagh
Black Lick
Blairsville
Bolivar
Cherry Tree
Chevy Chase Heights
Clymer
Commodore
Coral
Creekside
Dixonville
Ernest
Glen Campbell
Graceton
Heilwood
Homer City
Indiana
Jacksonville
Lucerne Mines
Marion Center
Plumville
Robinson
Rossiter
Saltsburg
Smicksburg
Vintondale
Climate data from the nearest NOAA station, Johnstown Cambria Co Ap, Pa (11.2 mi from Seward). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.