Seward, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Seward, a borough in Indiana County, Pennsylvania.
Overnight
51°F
Clear
Clear, with a low around 51. East wind 0 to 5 mph.
7-day forecast for Seward
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 51°F | Clear | 0 to 5 mph E | 1% |
| Wednesday | 77°F | Partly Sunny | 0 to 9 mph SE | 1% |
| Wednesday Night | 60°F | Light Rain | 5 to 9 mph S | 98% |
| Thursday | 70°F | Light Rain Likely then Partly Sunny | 5 to 10 mph SW | 73% |
| Thursday Night | 49°F | Partly Cloudy | 3 mph SW | 3% |
| Friday | 64°F | Partly Sunny | 1 to 6 mph SW | 14% |
| Friday Night | 41°F | Chance Light Rain | 0 to 5 mph W | 46% |
| Saturday | 52°F | Chance Light Rain | 5 to 12 mph W | 46% |
| Saturday Night | 36°F | Chance Light Rain | 5 to 9 mph W | 39% |
| Sunday | 54°F | Slight Chance Light Rain | 7 to 12 mph W | 16% |
| Sunday Night | 33°F | Partly Cloudy | 6 to 9 mph W | 11% |
| Monday | 54°F | Slight Chance Light Rain | 7 to 13 mph W | 17% |
| Monday Night | 34°F | Slight Chance Light Rain then Partly Cloudy | 7 mph W | 17% |
| Tuesday | 59°F | Mostly Sunny | 7 to 14 mph W | 5% |
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
Clymer
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
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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 Nov 4, 2026.