Martinsburg Junction, Pennsylvania Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Martinsburg Junction weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Rain55%0.17″92°65°—
- SundayJul 5Overcast46%—87°67°-5°
- MondayJul 6Light Showers82%0.01″79°66°-8°
- TuesdayJul 7Light Showers74%—79°66°0°
- WednesdayJul 8Drizzle19%—75°65°-4°
- ThursdayJul 9Light Drizzle14%—85°61°+10°
- FridayJul 10Drizzle51%0.07″81°65°-4°
AQI 76 (Moderate), driven by Ozone. AQI up 21 in the last 6 hours — air quality is degrading. Ozone at AQI 96 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 96 — peak already passed at 1 PM under clear skies. Levels should ease through evening.
- Present
- AQI 96
- UV peak
- 2.2 at earlier today
- Sky at peak
- clear
- Projected peak
- AQI 96
PM × Wind × Precip
PM2.5 at 6.8 µg/m³, PM10 at 7.2 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.94
- Wind
- breezy
- Recent rain
- 1h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:07 PM
- Moonset
- 10:16 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Martinsburg Junction at a glance
- Today vs. normal: 21°F above the seasonal normal for this latitude
- Last frost: April 18 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
16-Day Forecast — Martinsburg Junction
- Sat92°65°55%
- Sun87°67°46%
- Mon79°66°82%
- Tue79°66°74%
- Wed75°65°19%
- Thu85°61°14%
- Fri81°65°51%
- Sat79°63°33%
- Sun77°58°19%
- Mon77°59°22%
- Tue77°55°21%
- Wed82°55°35%
- Thu83°56°43%
- Fri80°60°42%
- Sat86°65°45%
- Sun78°67°52%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Martinsburg Junction
SPC has placed Martinsburg Junction in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWMRGLMarginal Risk
- DAY 3TSTMGeneral Thunderstorms
Scattered severe storms possible. A few tornadoes, hail, and damaging wind gusts possible.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Martinsburg Junction
- 16662