Citizen station W4RAH-1W4RAH-1
In a volunteer observer's own ground/7.9 mi away/515 ft/231 ft below here
temp, humidity, wind, precip, pressure
Harpers Ferry National Historical Park, Maryland
40°
64°/37°
Clear·
Feels like 40°·Light air 3 mph NNW
Now. Harpers Ferry National Historical Park is 40° and clear at 8 AM. The dew point is 37°, so the air feels dry and comfortable. Light air from the north-northwest at 3 mph.
Today and tonight. It warms until about 4 PM. Tonight falls to about 39° by 7 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is Monday, near 68°, and the coolest Friday, near 61°. The days ahead look dry. Frost is possible Saturday morning, a low of 36°.
The sky tonight. The sun sets at 6:24 PM. The Moon is a waxing gibbous, 79% lit, and sets at 3:37 AM after midnight. The next full Moon is Monday, Oct 26. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The Orionids meteor shower is active, peaking around Oct 21: at its peak, up to about 20 meteors an hour can be seen from a dark site. The bright Moon hides all but the brightest of them. The sky is forecast to stay clear: a good night to look up. The day is 10 hours 58 minutes long, 3 minutes shorter than yesterday.
0UV Low
5Air quality
88%Humidity
9%Cloud
Now
8:00 AM
40feels40
now, clear
Today
Oct 21
6437
clear
Thu
Oct 22
6639
clear
Fri
Oct 23
6142
clear
Sat
Oct 24
6136
clear
Sun
Oct 25
6337
clear
Mon
Oct 26
6840
mostly clear
Tue
Oct 27
6746
partly cloudy
As of 8:00 AM in Harpers Ferry National Historical Park, Maryland.
Air quality
The air at Harpers Ferry National Historical Park
Index 5, good, led by ozone. Read at 8 AM from its reporting area, Martinsburg (WV), 13 miles off.
5Good
- Fine particles (PM2.5)-17.7 mi
- Ozone5Good1 ppb15.9 mi
The days ahead
Good each day through Fri Oct 23, led by fine particles. Yesterday measured 34, good.
GoodModerate
- 34YesterdayOct 20
- 28TodayOct 21
- 33ThuOct 22
- 33FriOct 23
Smoke, the next 43 hours
No smoke near the ground through Fri 2 AM.
Precipitation
What has fallen at Harpers Ferry National Historical Park
None in the last 3 days, to Wed 7 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.00in
Visibility
How far you can see at Harpers Ferry National Historical Park, the next 43 hours
Visibility stays 10 miles or more through Fri 2 AM.
F
Now, today, and the week
Weather instrument stations by state
Park
- Designation
- National Historical Park
- Area
- 5.78 sq mi
- Height at its point
- 746 ft
- Also in
- Virginia, West Virginia
- County
- Washington County
- State
- Maryland
- Latitude
- 39.3107° N
- Longitude
- 77.7444° W
What is measuring near here
The 6 instruments nearest Harpers Ferry National Historical Park, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.9 miles away.
measured now4 instruments
US-340 @ MD-180MD016
Beside a road/9.2 mi away/442 ft/304 ft below here
temp, pavement temp, wind, visibility, precip
Antietam National BattlefieldANBM2
At a river or reservoir gauge/11.4 mi away/476 ft/270 ft below here
temp, wind, gust, humidity, pressure
At an airfield/21.1 mi away/302 ft/444 ft below here
temp, wind, gust, visibility, precip, pressure
measured daily2 instruments
Knoxville 2.6 WMD-WH-26
In a volunteer observer's own ground/1.9 mi away/278 ft/468 ft below here
precip, snowfall, snow depth
WilliamsportWLLM2
At a cooperative observer's station/21.9 mi away/541 ft/205 ft below here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Maryland
21 places, each with its own forecast and its own instruments.
AnnapoliscityAssateague IslandfeatureBaltimorecityBowiecityCambridgecityCatoctin MountainfeatureChesapeake BayfeatureCumberlandcityDeep Creek LakefeatureEastontownElktontownFrederickcityGaithersburgcityGarrett CountyfeatureHagerstowncityOaklandtownOcean CitytownRockvillecitySalisburycityWestminstercityWispski area
Near Harpers Ferry National Historical Park
The nearest places, each with its own forecast and the instruments nearest it.
- Sandy Hookcommunity, 3 mi
- Garretts Millcommunity, 4 mi
- Dargancommunity, 5 mi
- Yarrowsburgcommunity, 6 mi
- Brunswickcity, 6 mi
- Brownsvillecommunity, 6 mi
- Rosemontvillage, 7 mi
- Antietamcommunity, 7 mi
- Gaplandcommunity, 8 mi
- Burkittsvilletown, 8 mi
- Trego-Rohrersville Stationcommunity, 9 mi
- Rohrersvillecommunity, 10 mi