GaithersburgGAI
At an airfield/3.2 mi away/539 ft/- ft from here
temp, wind, gust, visibility, precip, pressure
Golf courses/Maryland/Blue Mash Golf Course
Alert. A Test Message is in force for Blue Mash Golf Course until 2:35 AM today. Read the alert in full, and see what it means in the Field Book. Rain is likely this evening, from about 6 PM, the chance peaking at 60% around 7 PM.
Now. Blue Mash Golf Course is 56° and overcast at 2 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 80° by 2 PM. Tonight falls to about 47° by 8 AM, under cloud.
The week. The warmest day ahead is Tuesday, near 64°, and the coolest tomorrow, near 53°. Rain is possible tomorrow (43%). Frost is possible Sunday morning, a low of 35°.
The sky tonight. The sun sets at 6:28 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:25 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 10 minutes long, 2 minutes shorter than yesterday.
As of 2:00 AM in Blue Mash Golf Course, Maryland.
Air quality
Index 14, good, led by ozone. Read at 2 AM from its reporting area, Suburban DC (MD), 13 miles off.
Good each day through Sun Oct 18, led by fine particles. Yesterday measured 21, good.
Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.
Precipitation
0.09 in in the last 24 hours, and none in the 2 days before, to Fri 1 AM. Measured by radar and rain gauges, as water.
Visibility
Fog: visibility falls to 0.5 miles Fri 3 AM, under a mile for 1 hour.
F
Now, today, and the week
The 7 instruments nearest Blue Mash Golf Course, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 2.9 miles away.
measured now5 instruments
GaithersburgGAI
At an airfield/3.2 mi away/539 ft/- ft from here
temp, wind, gust, visibility, precip, pressure
Citizen station GW1438GW1438
In a volunteer observer's own ground/4.0 mi away/515 ft/- ft from here
temp, humidity, wind, precip, pressure
MD-200 WB at Muncaster Mill RdMD069
Beside a road/4.3 mi away/427 ft/- ft from here
temp, pavement temp, wind, visibility, precip
Tenmile Creek Precip Gage At Clarksburg391407077174001
At a river or reservoir gauge/10.2 mi away/599 ft/- ft from here
temp, wind, gust, humidity, pressure
Powder MillS2049
At a soil climate station/18.5 mi away/105 ft/- ft from here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Brookeville 0.8 SWMD-MG-6
In a volunteer observer's own ground/2.9 mi away/466 ft/- ft from here
precip, snowfall, snow depth
Damascus 3 SSWDMAM2
At a cooperative observer's station/8.2 mi away/676 ft/- ft from here
snowfall, snow depth, precip, high, low
-
Snow on the ground
21 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.