Purplehorse Beach, Maryland

Beach in Montgomery County, Maryland

58° 83°/58°

Overcast· Feels like 58°·Light breeze 5 mph SSE

Coming up. Rain is likely this evening, from about 7 PM (55%).

Now. Purplehorse Beach is 58° and overcast at 3 AM. The dew point is 60°, so the air feels a little humid. Light breeze from the south-southeast at 5 mph.

Today and tonight. It warms to about 81° by 2 PM. Tonight falls to about 49° by 8 AM, under cloud.

The week. The warmest day ahead is Tuesday, near 65°, and the coolest tomorrow, near 54°. Rain is likely tomorrow (54%).

The sky tonight. The sun sets at 6:29 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:26 PM. 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. Cloud is forecast to cover most of the night, so the sky will be hard to see. The day is 11 hours 11 minutes long, 2 minutes shorter than yesterday.

0UV Low

18Air quality

96%Humidity

96%Cloud

Now

3:00 AM

58feels58

Today

Oct 16

8358

82%

13mph

Sat

Oct 17

5448

54%

16mph

Sun

Oct 18

5737

Mon

Oct 19

6039

11%

Tue

Oct 20

6544

10%

Wed

Oct 21

6547

Thu

Oct 22

6347

58°

83°58°

54°48°

57°37°

60°39°

65°44°

65°47°

63°47°

As of 3:00 AM in Purplehorse Beach, Maryland.

Air quality

The air at Purplehorse Beach

Index 18, good, led by ozone. Read at 2 AM from its reporting area, Northern Virginia and DC (DC), 13 miles off.

18Good

Fine particles (PM2.5)16Good12.8 mi
Ozone18Good12 ppb11.7 mi
Nitrogen dioxide2Good2.7 ppb12 mi
Sulfur dioxide0Good0 ppb20.1 mi
Carbon monoxide-0.3 ppm12.8 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 23, good.

GoodModerate

23YesterdayOct 15
33TodayOct 16
17SatOct 17
28SunOct 18

Smoke, the next 42 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.

Precipitation

What has fallen at Purplehorse Beach

0.06 in in the last 24 hours, and none in the 2 days before, to Fri 2 AM. Measured by radar and rain gauges, as water.

Last 24 hours: 0.06in
Last 3 days: 0.06in

Visibility

How far you can see at Purplehorse Beach, the next 42 hours

Visibility stays 3 miles or more through Sat 8 PM, lowest 4 miles Fri 8 PM.

Beach

County: Montgomery County
State: Maryland
Latitude: 38.9813° N
Longitude: 77.2397° W

What is measuring near here

The 7 instruments nearest Purplehorse Beach, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 3.3 miles away.

measured now5 instruments

I-495 at American Legion Bridge MD US MDDOTMD002

Beside a road/3.3 mi away/52 ft/- ft from here

temp, pavement temp, wind, visibility, precip

Citizen station FW3819FW3819

In a volunteer observer's own ground/4.8 mi away/175 ft/- ft from here

temp, humidity, wind, precip, pressure

GaithersburgGAI

At an airfield/13.5 mi away/539 ft/- ft from here

temp, wind, gust, visibility, precip, pressure

Tenmile Creek Precipitation Gage At Slidell391328077185901

At a river or reservoir gauge/17.3 mi away/552 ft/- ft from here