Potomac River at Harpers Ferry, WV

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Potomac River at Harpers Ferry outdoor landscape in West Virginia

Today’s Forecast:

72°F
Current Temperature
Clear
Station: KMRB
Observed at: 4:30 am CDT
Wind: 3 mph | Humidity: 78%
Overnight:Mostly cloudy, with a low around 69. West wind around 7 mph.
Thursday:Mostly sunny, with a high near 88. Northwest wind 6 to 9 mph.
Thursday Night:Mostly cloudy, with a low around 69. Northwest wind 2 to 7 mph.
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Today’s Report:

🛶 Paddling

Excellent
  100 /100

Excellent for paddling. High near 77°F. Low rain risk (6%). Light wind (6 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 11/100
Not Recommended for paddling. High near 85°F. High rain probability (57%). Breezy winds (13 mph). Thunderstorms forecast or possible.

🐟 Fishing

Excellent
  98 /100

Excellent for fishing. High near 77°F. Low rain risk (6%). Light wind (6 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 15/100
Not Recommended for fishing. High near 85°F. Risk of rain (57%). Breezy winds (13 mph). Thunderstorms forecast or possible.

Camping

Excellent
  97 /100

Excellent for camping. High near 77°F. Low rain risk (6%). Light wind (6 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 11/100
Not Recommended for camping. High near 85°F. Risk of rain (57%). Light wind (13 mph). Thunderstorms forecast or possible.

🎪 Outdoor Events / Activities

Excellent
  100 /100

Excellent for outdoor events / activities. High near 77°F. Low rain risk (6%). Light wind (6 mph).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 10/100
Not Recommended for outdoor events / activities. High near 85°F. High rain probability (57%). Light wind (13 mph). Thunderstorms forecast or possible.

About Potomac River at Harpers Ferry

Potomac River at Harpers Ferry is shaped by changing flow, upstream rainfall, water temperature, and access at individual launches. A calm forecast in town does not guarantee an easy day on the water.

Planning an Outing at Potomac River at Harpers Ferry

Check river or lake observations, rainfall upstream, water temperature, wind, and the status of the exact launch or access area before leaving. Build in time for changing weather, daylight, and a shorter backup option.

Weather Tips for Potomac River at Harpers Ferry

  • Treat recent or forecast heavy rain as an access issue as well as a comfort issue; levels and currents can change after storms.
  • Wear a properly fitted life jacket for boating or paddling, and account for cold water even on a warm afternoon.
  • Check official notices for Harpers Ferry and the specific trailhead, campground, launch, or facility you intend to use.

Nearby Towns and Areas

Use this forecast as practical context for outdoor plans near:

  • Harpers Ferry
  • Bolivar
  • Maryland Heights
  • Shenandoah River
  • Brunswick

Adjust the Day to the Forecast

Choose the route, launch, campsite, trail plan, fishing window, or event time that leaves a useful margin for weather and access.

7-Day Forecast for Potomac River at Harpers Ferry

72°F
Current Temperature
Clear
Station: KMRB
Observed at: 4:30 am CDT
Wind: 3 mph | Humidity: 78%
Thu
88° 69°
6%
Fri
82° 65°
27%
Sat
84° 68°
12%
Sun
88° 72°
50%
Mon
86° 66°
27%
Tue
83° 66°
6%
Wed
87° --°
13%

7-Day High Temperature Trend

88° Thu 82° Fri 84° Sat 88° Sun 86° Mon 83° Tue 87° Wed

7-Day Low Temperature Trend

69° Thu 65° Fri 68° Sat 72° Sun 66° Mon 66° Tue 50° Wed

📊 7-Day Outdoor Outlook

Good Fair Poor 20 Thu 12 Fri 20 Sat 12 Sun 12 Mon 20 Tue 20 Wed
Forecast data from the National Weather Service  |  Last Updated: August 15, 2026 6:18 pm CDT

Potomac River at Harpers Ferry Weather by Season

Winter

Cold rain in the valleys may fall as snow or freezing precipitation higher up; confirm road treatment and facility hours. Use traction and turn around when untreated access becomes unsafe. Check local conditions near Harpers Ferry before departure.

Spring

Runoff and heavy showers can raise creeks, loosen slopes, and make unpaved access muddy; check the latest local closure notice. Check local conditions near Bolivar before departure.

Summer

Warm humid afternoons can build thunderstorms quickly. Schedule exposed sections early and watch for changing water or visibility after downpours. Check local conditions near Maryland Heights before departure.

Fall

Foliage season brings comfortable afternoons and busy roads, while valley fog and frost can delay a safe morning start. Check local conditions near Shenandoah River before departure.

Key Climate Data Points

  • Annual average temperature: roughly 51–56°F, with cooler readings at elevation and warmer conditions in lower western valleys.
  • Annual snowfall: commonly 20–45 inches in lower valleys, increasing quickly with elevation.
  • Warmest months: July is generally warmest, with cooler conditions at elevation and near open water.
  • Coolest months: January is usually coolest, especially in high mountain valleys and on exposed ridges.
  • Wettest season: Late spring and summer are often wettest, with thunderstorms and tropical remnants capable of heavy rain.
  • Driest season: Early fall is often comparatively dry, but no season is reliably rain-free.
  • Best outdoor window: Late spring through fall for most warm-season outings; winter destinations depend on current snow, access, and operations.