Temperature
61 F at 1 AM; 73 F at its warmest, 3 AM Thursday, and 61 F at its coolest, 8 PM Thursday.
- Now
- 61F
- 1 AM
- Highest
- 73F
- 3 AM Thursday
- Lowest
- 61F
- 8 PM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Coming up. Rain is likely tonight, from about 9 PM, the chance peaking at 64% around 3 AM.
Now. Cambridge Dorchester Airport is 61° and light rain at 2 AM. The dew point is 59°, so the air feels a little humid. The air is calm.
Today and tonight. It warms to about 81° by 3 PM. Tonight falls to about 50° by 8 AM, under cloud.
The week. The warmest day ahead is Wednesday, near 65°, and the coolest tomorrow, near 55°. Rain is likely tomorrow (97%).
The sky tonight. The sun sets at 6:25 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:23 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 12 minutes long, 2 minutes shorter than yesterday.
As of 2:00 AM in Cambridge Dorchester Airport, Maryland.
Air quality
Index 20, good, led by ozone. Read at 1 AM from its reporting area, Lower Eastern Shore (MD), 10 miles off.
Good each day through Sun Oct 18, led by fine particles. Yesterday measured 32, good.
Little smoke near the ground through Sat 8 PM: the index from smoke stays at 11 or under.
Precipitation
0.02 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
Visibility stays 5 miles or more through Sat 8 PM, lowest 6 miles Fri 8 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 16 / 34 | 4,477 ft | 75 ft | Asphalt | 144° / 324° | Calm | Calm |
Measured here
Every hour from Cambridge (CGE), Cambridge Dorchester Airport's own instrument, measure by measure, on the field's own clock.
61 F at 1 AM; 73 F at its warmest, 3 AM Thursday, and 61 F at its coolest, 8 PM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 59 F, the air 94% saturated; the humidity ran from 70% at 4 PM Thursday to 94% at 8 PM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
Calm at 1 AM; at its strongest 10 mph, 5 AM Thursday, with a gust of 21 mph at 5 AM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
30.05 inHg at 1 AM, falling 0.08 inHg over 3 hours; 0.03 inHg higher than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 5 miles at 7 PM Thursday; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 400 ft at 8 PM Thursday; a base was reported in 23 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
None measured in the gauge in the last 24 hours.
How it is measured: ASOS, Field Book FB-INS-002
Cambridge: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Cambridge Dorchester 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 now3 instruments
CambridgeCGE
At an airfield/0.0 mi away/19 ft/1 ft below here
temp, wind, gust, visibility, precip, pressure
US-50 at ChoptankMD004
Beside a road/3.1 mi away/0 ft/20 ft below here
temp, pavement temp, wind, visibility, precip
BlackwaterBLWM2
At a river or reservoir gauge/7.3 mi away/0 ft/20 ft below here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Cambridge 3.4 SMD-DR-16
In a volunteer observer's own ground/3.4 mi away/4 ft/16 ft below here
precip, snowfall, snow depth
Royal Oak 2SSWROYM2
At a cooperative observer's station/14.8 mi away/5 ft/15 ft below 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.