Temperature
62 F at 4 AM; 66 F at its warmest, 5 AM Thursday, and 61 F at its coolest, 7 PM Thursday.
- Now
- 62F
- 4 AM
- Highest
- 66F
- 5 AM Thursday
- Lowest
- 61F
- 7 PM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Coming up. Rain is likely this evening, from about 7 PM, the chance peaking at 68% around 8 PM.
Now. Martin State Airport is 61° and overcast at 4 AM. The dew point is 60°, so the air feels a little humid. Light air from the south at 2 mph.
Today and tonight. It warms to about 80° by 3 PM. Tonight falls to about 48° by 8 AM, under cloud.
The week. The warmest day ahead is Tuesday, near 65°, and the coolest tomorrow, near 55°. Rain is possible tomorrow (42%).
The sky tonight. The sun sets at 6:26 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:21 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, 3 minutes shorter than yesterday.
As of 4:00 AM in Martin State Airport, Maryland.
Air quality
Index 17, good, led by ozone. Read at 4 AM from its reporting area, Metro Baltimore (MD), 14 miles off.
Good each day through Sun Oct 18, led by fine particles. Yesterday measured 20, good.
Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.
Precipitation
0.06 in in the last 24 hours, 0.09 in over the last 3 days, to Fri 3 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 6 miles or more through Sat 8 PM, lowest 7 miles Fri 7 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 15 / 33 | 6,999 ft | 150 ft | Concrete | 135° / 315° | Calm | Calm |
Measured here
Every hour from Baltimore/Martin (MTN), Martin State Airport's own instrument, measure by measure, on the field's own clock.
62 F at 4 AM; 66 F at its warmest, 5 AM Thursday, and 61 F at its coolest, 7 PM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 60 F, the air 93% saturated; the humidity ran from 56% at 10 AM Thursday to 93% at 4 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
2 mph from the southwest at 4 AM; at its strongest 8 mph, 11 PM Thursday, with a gust of 12 mph at 10 AM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.02 inHg at 4 AM, falling 0.06 inHg over 3 hours; 0.12 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 4 miles at 1 AM; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 700 ft at 2 AM; a base was reported in 22 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.02 in measured in the gauge, the most, 0.01 in, in the hour to 1 AM.
How it is measured: ASOS, Field Book FB-INS-002
Baltimore/Martin: every reading, the last 7 days, 30 days and the year, and how well it reports
The 6 instruments nearest Martin State Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.0 miles away.
measured now4 instruments
At an airfield/0.0 mi away/23 ft/2 ft above here
temp, wind, gust, visibility, precip, pressure
MD-43 at MD-150MD063
Beside a road/0.7 mi away/23 ft/2 ft above here
temp, pavement temp, wind, visibility, precip
Nepp Site At ReisterstownRSTM2
At a river or reservoir gauge/5.1 mi away/0 ft/21 ft below here
temp, wind, gust, humidity, pressure
Powder MillS2049
At a soil climate station/31.7 mi away/105 ft/84 ft above here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
White Marsh 2.3 ESEMD-BL-25
In a volunteer observer's own ground/3.1 mi away/49 ft/28 ft above here
precip, snowfall, snow depth
CylburCYLM2
At a cooperative observer's station/12.7 mi away/295 ft/274 ft above 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.