Temperature
58 F at 2 AM; 63 F at its warmest, 2 PM Thursday, and 54 F at its coolest, 8 AM Thursday.
- Now
- 58F
- 2 AM
- Highest
- 63F
- 2 PM Thursday
- Lowest
- 54F
- 8 AM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/Pennsylvania/Williamsport Regional Airport
Coming up. Rain is likely this morning, from about 5 AM, the chance peaking at 79% around 4 PM.
Now. Williamsport Regional Airport is 58° and overcast at 3 AM. The dew point is 56°, so the air feels a little humid. Gentle breeze from the south-southeast at 10 mph, gusting to 25 mph.
Today and tonight. It warms to about 73° by 2 PM. Tonight falls to about 42° by 8 AM, with some cloud.
The week. The warmest day ahead is Tuesday, near 66°, and the coolest tomorrow, near 50°. The days ahead look dry. The first freeze could come Sunday, a low of 32°.
The sky tonight. The sun sets at 6:26 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:16 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. The day is 11 hours 7 minutes long, 3 minutes shorter than yesterday.
As of 3:00 AM in Williamsport Regional Airport, Pennsylvania.
Air quality
Index 23, good, led by ozone. Read at 2 AM from its reporting area, Williamsport (PA), 4 miles off.
Good each day through Sun Oct 18, led by fine particles. Yesterday measured 27, good.
Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.
Precipitation
None in the last 3 days, to Fri 2 AM. Measured by radar and rain gauges, as water.
Visibility
Mist or haze: visibility falls to 1 miles Fri 6 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 09 / 27 | 6,825 ft | 150 ft | Asphalt | 77° / 257° | 9 mph head, on 09 | 1 mph from the left |
| 12 / 30 | 4,273 ft | 150 ft | Asphalt | 106° / 286° | 7 mph head, on 12 | 5 mph from the left |
Measured here
Every hour from Williamsport (IPT), Williamsport Regional Airport's own instrument, measure by measure, on the field's own clock.
58 F at 2 AM; 63 F at its warmest, 2 PM Thursday, and 54 F at its coolest, 8 AM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 55 F, the air 90% saturated; the humidity ran from 54% at 3 PM Thursday to 90% at 2 AM.
How it is measured: Humidity variables, Field Book FB-WAT-002
6 mph from the east northeast at 2 AM; at its strongest 11 mph, 11 PM Thursday, with a gust of 31 mph at 11 PM Thursday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.94 inHg at 2 AM, falling 0.08 inHg over 3 hours; 0.22 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 4 miles at 2 AM; 4 miles now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 1,000 ft at 2 AM; a base was reported in 22 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.01 in measured in the gauge, the most, 0.01 in, in the hour to 2 AM.
How it is measured: ASOS, Field Book FB-INS-002
Williamsport: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest Williamsport Regional Airport, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 0.1 miles away.
measured now3 instruments
WilliamsportIPT
At an airfield/0.1 mi away/525 ft/4 ft below here
temp, wind, gust, visibility, precip, pressure
I-80 E/B @ MM 194.8 Clinton Co. PA US PADOTPA044
Beside a road/17.8 mi away/1,483 ft/954 ft above here
temp, pavement temp, wind, visibility, precip
Garden HollowGDHP1
At a river or reservoir gauge/19.6 mi away/1,663 ft/1,134 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
Montoursville 0.2 NNWPA-LY-14
In a volunteer observer's own ground/0.5 mi away/529 ft/level with here
precip, snowfall, snow depth
WilliamsportWMSP1
At a cooperative observer's station/3.2 mi away/528 ft/1 ft below here
snowfall, snow depth, precip, high, low
-
Snow on the ground
24 places, each with its own forecast and its own instruments.
The nearest places, each with its own forecast and the instruments nearest it.