Defiance, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Defiance, a community in Bedford County, Pennsylvania.
Today
74°F
Mostly Cloudy
Mostly cloudy, with a high near 74. East wind around 3 mph.
7-day forecast for Defiance
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Cloudy | 3 mph E | 5% |
| Tonight | 61°F | Rain Showers Likely | 2 to 8 mph SE | 55% |
| Sunday | 75°F | Showers And Thunderstorms | 3 to 8 mph SW | 79% |
| Sunday Night | 54°F | Showers And Thunderstorms | 2 to 8 mph NW | 79% |
| Monday | 65°F | Chance Rain Showers | 5 to 8 mph NE | 29% |
| Monday Night | 51°F | Rain Showers Likely | 6 mph NE | 67% |
| Tuesday | 58°F | Rain Showers Likely | 6 mph E | 69% |
| Tuesday Night | 48°F | Rain Showers Likely | 8 mph E | 59% |
| Wednesday | 56°F | Rain Showers Likely | 8 mph E | 58% |
| Wednesday Night | 48°F | Chance Rain Showers | 7 mph E | 50% |
| Thursday | 59°F | Chance Rain Showers | 5 mph NE | 50% |
| Thursday Night | 48°F | Chance Showers And Thunderstorms | 5 mph NE | 39% |
| Friday | 65°F | Slight Chance Rain Showers | 5 mph N | 21% |
| Friday Night | 48°F | Slight Chance Rain Showers | 5 mph N | 21% |
Forecast source: National Weather Service (api.weather.gov) for Defiance (40.160, -78.232). Updated through the day.
Growing snapshot for Defiance
Last spring frost
Apr 23
First fall frost
Oct 21
Growing season
177 days
Hardiness zone
6b
More local growing data for Defiance: nearby ZIP 16633 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Bedford
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Coaldale
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Manns Choice
New Paris
Pleasantville
Rainsburg
Riddlesburg
Saxton
Schellsburg
St. Clairsville
Stonerstown
Woodbury
Climate data from the nearest NOAA station, Altoona Blair Co Ap, Pa (10.5 mi from Defiance). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.