Seward, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seward, a borough in Indiana County, Pennsylvania.
Today
86°F
Sunny
Sunny, with a high near 86. Southeast wind 1 to 5 mph.
7-day forecast for Seward
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Sunny | 1 to 5 mph SE | 0% |
| Tonight | 65°F | Partly Cloudy | 5 mph SE | 1% |
| Wednesday | 86°F | Patchy Fog then Scattered Showers And Thunderstorms | 5 mph SE | 33% |
| Wednesday Night | 68°F | Scattered Showers And Thunderstorms | 1 to 5 mph SE | 47% |
| Thursday | 86°F | Showers And Thunderstorms | 1 to 6 mph SW | 82% |
| Thursday Night | 68°F | Showers And Thunderstorms | 0 to 3 mph SW | 82% |
| Friday | 85°F | Showers And Thunderstorms | 1 to 6 mph SW | 81% |
| Friday Night | 66°F | Showers And Thunderstorms | 0 to 3 mph SW | 81% |
| Saturday | 84°F | Chance Showers And Thunderstorms | 2 to 7 mph SW | 51% |
| Saturday Night | 66°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 51% |
| Sunday | 86°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph SW | 24% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 24% |
| Monday | 86°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 6 to 10 mph W | 38% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 2 to 8 mph SW | 48% |
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
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Armagh
Black Lick
Blairsville
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Chevy Chase Heights
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Commodore
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Creekside
Dixonville
Ernest
Glen Campbell
Graceton
Heilwood
Homer City
Indiana
Jacksonville
Lucerne Mines
Marion Center
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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 Aug 4, 2026.