Purplehorse Beach, Maryland

Beach in Montgomery County, Maryland

57° 83°/58°

Overcast· Feels like 57°·Light breeze 4 mph SSE

Alert. A Test Message is in force for Purplehorse Beach until 1:25 AM today. Read the alert in full, and see what it means in the Field Book. Rain is likely this evening, from about 7 PM (56%).

Now. Purplehorse Beach is 57° and overcast at 1 AM. The dew point is 59°, so the air feels a little humid. Light breeze from the south-southeast at 4 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

29Air quality

96%Humidity

97%Cloud

Now

1:00 AM

57feels57

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

57°

83°58°

54°48°

57°37°

60°39°

65°44°

65°47°

63°47°

As of 1:00 AM in Purplehorse Beach, Maryland.

Air quality

The air at Purplehorse Beach

Index 29, good, led by fine particles. Read at 12 AM from its reporting area, Northern Virginia and DC (DC), 13 miles off.

29Good

Fine particles (PM2.5)29Good11.7 mi
Ozone19Good10 ppb11.7 mi
Nitrogen dioxide4Good4.2 ppb12.8 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 56, moderate.

GoodModerate

56YesterdayOct 15
33TodayOct 16
17SatOct 17
28SunOct 18

Smoke, the next 44 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 12 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 44 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