Citizen station FW3819FW3819
In a volunteer observer's own ground/1.0 mi away/175 ft/49 ft above here
temp, humidity, wind, precip, pressure
Clara Barton National Historic Site, Maryland
National Historic Site in Montgomery County, MarylandMonitoring message only. Please disregard.
Monitoring message only. Please disregard.
50°
66°/47°
Clear·
Feels like 50°·Light air 3 mph NNW
Alert. A Test Message is in force for Clara Barton National Historic Site until 12:33 AM today. Read the alert in full, and see what it means in the Field Book.
Now. Clara Barton National Historic Site is 50° and clear at 12 AM. The dew point is 43°, so the air feels dry and comfortable. Light air from the north-northwest at 3 mph.
Today and tonight. It warms to about 63° by 3 PM. Tonight falls to about 47° by 4 AM, under a mostly clear sky. No rain is expected for the rest of the day.
The week. The warmest day ahead is Thursday, near 80°, and the coolest Sunday, near 72°. Rain is likely Monday (50%). Rain is possible Sunday (37%).
The sky tonight. The sun sets at 6:44 PM. The Moon is a waning crescent, 16% lit, and rises at 3:51 AM after midnight. The next new Moon is Saturday, Oct 10. After dark, look for Saturn, bright in the east-southeast. A planet shines with a steady light where the stars around it twinkle. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 36 minutes long, 3 minutes shorter than yesterday.
0UV Low
33Air quality
62%Humidity
0%Cloud
Now
12:00 AM
50feels50
now, clear
Today
Oct 6
6647
clear day
Wed
Oct 7
7346
clear day
Thu
Oct 8
8053
clear day
Fri
Oct 9
7454
mostly clear day
Sat
Oct 10
7352
mostly clear day
Sun
Oct 11
7254
37%
Mon
Oct 12
7358
50%
50°
66°47°
73°46°
80°53°
74°54°
73°52°
72°54°
73°58°
As of 12:00 AM in Clara Barton National Historic Site, Maryland.
Air quality
The air at Clara Barton National Historic Site
Index 33, good, led by ozone. Read at 12 AM from its reporting area, Northern Virginia and DC (DC), 8 miles off.
33Good
- Fine particles (PM2.5)21Good7.6 mi
- Ozone33Good29 ppb6.6 mi
- Nitrogen dioxide3Good3.1 ppb6.6 mi
- Sulfur dioxide0Good0 ppb15.2 mi
- Carbon monoxide-0.2 ppm7.6 mi
The days ahead
Good each day through Thu Oct 8, led by fine particles. Yesterday measured 24, good.
GoodModerate
- 24YesterdayOct 5
- 28TodayOct 6
- 33WedOct 7
- 39ThuOct 8
Smoke, the next 45 hours
No smoke near the ground through Wed 8 PM.
Precipitation
What has fallen at Clara Barton National Historic Site
None in the last 24 hours; 0.26 in over the last 3 days, to Mon 11 PM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.26in
3 days agoLast 24 hours 0%
Visibility
How far you can see at Clara Barton National Historic Site, the next 45 hours
Visibility stays 10 miles or more through Wed 8 PM.
F
Now, today, and the week
Weather instrument stations by state
Park
- Designation
- National Historic Site
- Area
- 321,000 sq ft
- Height at its point
- 126 ft
- County
- Montgomery County
- State
- Maryland
- Latitude
- 38.9677° N
- Longitude
- 77.1404° W
What is measuring near here
The 7 instruments nearest Clara Barton National Historic Site, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.
measured now5 instruments
I-495 at American Legion Bridge MD US MDDOTMD002
Beside a road/2.1 mi away/52 ft/74 ft below here
temp, pavement temp, wind, visibility, precip
College ParkCGS
At an airfield/11.7 mi away/48 ft/78 ft below here
temp, wind, gust, visibility, precip, pressure
Powder MillS2049
At a soil climate station/16.0 mi away/105 ft/21 ft below here
temp, humidity, soil temp, soil moisture
Pheasant Run - Patuxent Env RAWSPREM2
A remote fire weather station/18.0 mi away/215 ft/89 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Glen Echo 0.1 SEMD-MG-121
In a volunteer observer's own ground/0.1 mi away/131 ft/5 ft above here
precip, snowfall, snow depth
BeltsvilleBTVM2
At a cooperative observer's station/14.5 mi away/138 ft/12 ft above 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 Clara Barton National Historic Site
The nearest places, each with its own forecast and the instruments nearest it.
- Glen Echotown, under 1 mi
- Brookmontcommunity, 1 mi
- Cabin Johncommunity, 1 mi
- Bethesdacommunity, 2 mi
- Somersettown, 2 mi
- Friendship Heights Villagecommunity, 3 mi
- Chevy Chase Villagetown, 3 mi
- Chevy Chasetown, 3 mi
- Chevy Chase Section Threevillage, 4 mi
- Chevy Chase Section Fivevillage, 4 mi
- Martin's Additionsvillage, 4 mi
- Chevy Chasecommunity, 4 mi