Martinsburg, PA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Martinsburg, a borough in Blair County, Pennsylvania.
Today
81°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 81. East wind 0 to 6 mph.
7-day forecast for Martinsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Fog then Sunny | 0 to 6 mph E | 0% |
| Tonight | 62°F | Partly Cloudy then Areas Of Fog | 0 to 6 mph SE | 8% |
| Wednesday | 80°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 6 mph SE | 49% |
| Wednesday Night | 66°F | Chance Showers And Thunderstorms | 0 to 6 mph S | 39% |
| Thursday | 83°F | Showers And Thunderstorms | 0 to 7 mph SW | 86% |
| Thursday Night | 66°F | Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 86% |
| Friday | 82°F | Showers And Thunderstorms Likely | 0 to 7 mph SW | 72% |
| Friday Night | 65°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 5 mph SW | 72% |
| Saturday | 81°F | Chance Showers And Thunderstorms | 1 to 7 mph W | 43% |
| Saturday Night | 65°F | Chance Showers And Thunderstorms then Mostly Cloudy | 1 to 6 mph W | 43% |
| Sunday | 84°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 1 to 7 mph W | 15% |
| Sunday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 6 mph W | 15% |
| Monday | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 12 mph W | 18% |
| Monday Night | 66°F | Slight Chance Showers And Thunderstorms | 3 to 10 mph W | 20% |
Forecast source: National Weather Service (api.weather.gov) for Martinsburg (40.311, -78.324). Updated through the day.
Growing snapshot for Martinsburg
Last spring frost
Apr 23
First fall frost
Oct 21
Growing season
177 days
Hardiness zone
6b
More local growing data for Martinsburg: nearby ZIP 16662 weather · frost dates · planting calendar · Pennsylvania frost dates
Nearby towns & communities
Altoona
Bald Eagle
Bellwood
Birmingham
Brooks Mill
Canan Station
Canoe Creek
Carson Valley
Charlottsville
Clappertown
Claysburg
Cotton Town
Cove Forge
Cross Keys
Culp
Curryville
Dumb Hundred
Duncansville
East Altoona
East Freedom
East Sharpsburg
Elberta
Eldorado
Fisherville
Foot of Ten
Fort Fetter
Fostoria
Franklin Forge
Frankstown
Fredericksburg
Climate data from the nearest NOAA station, Altoona Blair Co Ap, Pa (1.2 mi from Martinsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.