Harpers Ferry, West Virginia Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Harpers Ferry weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Light Drizzle29%0.03″103°76°—
- SundayJul 5Light Rain74%1.1″97°69°-6°
- MondayJul 6Showers75%0.01″84°68°-13°
- TuesdayJul 7Drizzle75%—90°69°+6°
- WednesdayJul 8Overcast40%—79°60°-11°
- ThursdayJul 9Drizzle28%0.05″75°68°-4°
- FridayJul 10Overcast28%—90°67°+15°
AQI 55 (Moderate), driven by PM2.5. AQI down 35 over the last 6 hours — air quality is improving sharply. PM2.5 at 13.4 µg/m³ (AQI 59) with a 0.90 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
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 34. Overcast through the UV peak window (cloud cover ~71%) — afternoon ozone should stay flat.
- Present
- AQI 34
- UV peak
- 3.3 at 1 PM
- Sky at peak
- overcast
- Projected peak
- AQI 8
PM × Wind × Precip
PM2.5 at 13.4 µg/m³ (AQI 59) with a 0.90 fine-to-coarse ratio and 1 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- calm
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
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
- 11:03 PM
- Moonset
- 10:15 AM
- In sign
- ♒︎ Aquarius
Cicadas claim the afternoon
Harpers Ferry at a glance
- Today vs. normal: 11°F above the seasonal normal for this latitude
- Last frost: April 12 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 25425
15-Day Forecast — Harpers Ferry
- Sat103°76°29%
- Sun97°69°74%
- Mon84°68°75%
- Tue90°69°75%
- Wed79°60°40%
- Thu75°68°28%
- Fri90°67°28%
- Sat72°66°34%
- Sun83°64°26%
- Mon87°66°17%
- Tue88°68°24%
- Wed84°64°27%
- Thu86°59°35%
- Fri98°64°33%
- Sat89°68°32%
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 — Harpers Ferry
SPC has placed Harpers Ferry in the Slight Risk category for severe thunderstorms today.
- TODAYSLGTSlight Risk
- TOMORROWSLGTSlight Risk
- DAY 3SLGTSlight Risk
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 Harpers Ferry
- 25425