Temperature
56 F at 12 AM; 75 F at its warmest, 2 PM Friday, and 56 F at its coolest, 12 AM.
- Now
- 56F
- 12 AM
- Highest
- 75F
- 2 PM Friday
- Lowest
- 56F
- 12 AM
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/Pennsylvania/Northumberland County Airport
Alert. A Freeze Watch is in force for Northumberland County Airport until 9 AM tomorrow. Read the alert in full, and see what it means in the Field Book. Tomorrow is 9 degrees warmer: a high of 57° after 48° today.
Now. Northumberland County Airport is 55° and overcast at 12 AM. The dew point is 49°, so the air feels dry and comfortable. Light breeze from the north-northwest at 6 mph.
Today and tonight. The warmest of the day has passed; it cools to about 41° by 8 PM. Tonight falls to about 33° by 5 AM, under a mostly clear sky. Frost can form on the ground in sheltered spots. No rain is expected for the rest of the day.
The week. The warmest day ahead is Tuesday, near 65°, and the coolest tomorrow, near 57°. The days ahead look dry. The first freeze could come tomorrow, a low of 31°.
The sky tonight. The sun sets at 6:23 PM. The Moon is a waxing crescent, 42% lit, and sets at 11:16 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 sky is forecast to stay clear: a good night to look up. The day is 11 hours 5 minutes long, 3 minutes shorter than yesterday.
As of 12:00 AM in Northumberland County Airport, Pennsylvania.
Air quality
Index 20, good, led by ozone. Read at 12 AM from its reporting area, Williamsport (PA), 36 miles off.
Good each day through Tue Oct 20, led by fine particles. Yesterday measured 27, good.
No smoke near the ground through Sun 8 PM.
Precipitation
0.24 in in the last 24 hours, 0.25 in over the last 3 days, to Fri 11 PM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 10 miles or more through Sun 8 PM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 08 / 26 | 3,297 ft | 75 ft | Asphalt | 72° / 252° | 2 mph head, on 26 | 5 mph from the right |
Measured here
Every hour from Shamokin (N79), Northumberland County Airport's own instrument, measure by measure, on the field's own clock.
56 F at 12 AM; 75 F at its warmest, 2 PM Friday, and 56 F at its coolest, 12 AM.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 49 F, the air 78% saturated; the humidity ran from 76% at 2 PM Friday to 100% at 7 AM Friday.
How it is measured: Humidity variables, Field Book FB-WAT-002
6 mph from the northwest at 12 AM; at its strongest 13 mph, 4 PM Friday, with a gust of 25 mph at 4 PM Friday.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.91 inHg at 12 AM, rising 0.07 inHg over 3 hours; 0.02 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 5 miles at 4 PM Friday; 10 miles or more now.
How it is measured: Fog types, Field Book FB-WAT-020
The lowest cloud base came down to 600 ft at 8 AM Friday; a base was reported in 20 of the hours.
How it is measured: Cloud classification, Field Book FB-SKY-001
0.18 in measured in the gauge, the most, 0.12 in, in the hour to 4 PM Friday.
How it is measured: ASOS, Field Book FB-INS-002
Shamokin: every reading, the last 7 days, 30 days and the year, and how well it reports
The 6 instruments nearest Northumberland County 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
ShamokinN79
At an airfield/0.0 mi away/860 ft/21 ft below here
temp, wind, gust, visibility, precip, pressure
SR 54 W/B Natalie Mtn @ Natalie PA US PADOTPA005
Beside a road/5.2 mi away/1,499 ft/618 ft above here
temp, pavement temp, wind, visibility, precip
Mount Carmel - Roaring CreekROAP1
At a river or reservoir gauge/6.9 mi away/1,077 ft/196 ft above here
temp, wind, gust, humidity, pressure
Mahantango CkS2028
At a soil climate station/13.2 mi away/730 ft/151 ft below here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
NataliePOPP1
At a cooperative observer's station/2.8 mi away/915 ft/34 ft above here
snowfall, snow depth, precip, high, low
Mount Carmel 0.2 SWPA-NM-4
In a volunteer observer's own ground/7.8 mi away/1,081 ft/200 ft above here
precip, snowfall, snow depth
-
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.