Defiance, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Defiance, a community in Bedford County, Pennsylvania.
Today
83°F
Patchy Fog then Sunny
Patchy fog before 10am. Sunny, with a high near 83. East wind around 3 mph.
7-day forecast for Defiance
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Patchy Fog then Sunny | 3 mph E | 0% |
| Tonight | 65°F | Mostly Cloudy | 0 to 3 mph SE | 11% |
| Wednesday | 81°F | Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 3 mph SE | 52% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 3 mph SE | 43% |
| Thursday | 86°F | Slight Chance Showers And Thunderstorms | 1 to 5 mph S | 82% |
| Thursday Night | 69°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 2 mph SW | 82% |
| Friday | 85°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 66% |
| Friday Night | 67°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 mph SW | 66% |
| Saturday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 1 to 5 mph SW | 50% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 mph W | 50% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 5 mph W | 15% |
| Sunday Night | 69°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 3 mph SW | 15% |
| Monday | 87°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 8 mph W | 15% |
| Monday Night | 68°F | Slight Chance Showers And Thunderstorms | 2 to 7 mph W | 19% |
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
Earlston
Everett
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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 Aug 4, 2026.