Temperature
69 F at 2 AM; 87 F at its warmest, 1 PM Thursday, and 69 F at its coolest, 2 AM.
- Now
- 69F
- 2 AM
- Highest
- 87F
- 1 PM Thursday
- Lowest
- 69F
- 2 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Now. Portland Municipal Airport is 69° and clear at 3 AM. The dew point is 61°, so the air feels humid and sticky. Gentle breeze from the south-southwest at 8 mph.
Today and tonight. It warms to about 70° by 3 AM. Tonight falls to about 44° by 7 AM, under a mostly clear sky. No rain is expected for the rest of the day. Air quality is moderate (index 52): fine for most people, though people unusually sensitive to air pollution may feel it outdoors.
The week. The warmest day ahead is Thursday, near 77°, and the coolest tomorrow, near 60°. The days ahead look dry.
The sky tonight. The sun sets at 6:08 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:13 PM. The next full Moon is Sunday, Oct 25. 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. The sky is forecast to stay clear: a good night to look up. The day is 11 hours 15 minutes long, 2 minutes shorter than yesterday.
As of 3:00 AM in Portland Municipal Airport, Tennessee.
Air quality
Index 52, moderate, led by fine particles. Read at 2 AM from its reporting area, Bowling Green (KY), 26 miles off.
Yesterday measured 34, good.
Little smoke near the ground through Sat 7 PM: the index from smoke stays at 22 or under.
Precipitation
0.07 in in the last 24 hours, 0.15 in over the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 9 miles or more through Sat 7 PM, lowest 9 miles Fri 7 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 01 / 19 | 5,003 ft | 100 ft | Asphalt | 11° / 191° | 8 mph head, on 19 | None |
Measured here
Every hour from Portland (1M5), Portland Municipal Airport's own instrument, measure by measure, on the field's own clock.
69 F at 2 AM; 87 F at its warmest, 1 PM Thursday, and 69 F at its coolest, 2 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 61 F, the air 75% saturated; the humidity ran from 40% at 4 PM Thursday to 100% at 4 AM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
8 mph from the south at 2 AM; at its strongest 8 mph, 10 AM Thursday, with a gust of 14 mph at 12 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.98 inHg at 2 AM, steady over 3 hours; 0.08 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 3 miles at 6 AM Thursday; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 300 ft at 6 AM Thursday; a base was reported in 17 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.07 in measured in the gauge, the most, 0.07 in, in the hour to 6 AM Thursday.
How it is measured: ASOS, Field Book FB-INS-002
Portland: every reading, the last 7 days, 30 days and the year, and how well it reports
The 4 instruments nearest Portland Municipal 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 now2 instruments
Portland1M5
At an airfield/0.0 mi away/801 ft/17 ft below here
temp, wind, gust, visibility, precip, pressure
RAWS Site Lafayette Work CenterLFFT1
A remote fire weather station/26.6 mi away/945 ft/127 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Portland 2.9 ETN-SR-59
In a volunteer observer's own ground/1.1 mi away/744 ft/74 ft below here
precip, snowfall, snow depth
At a cooperative observer's station/2.7 mi away/794 ft/24 ft below here
snowfall, snow depth, precip, high, low
-
Snow on the ground
23 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.