Temperature
70 F at 4 AM; 70 F at its warmest, 4 AM, and 49 F at its coolest, 7 AM Thursday.
- Now
- 70F
- 4 AM
- Highest
- 70F
- 4 AM
- Lowest
- 49F
- 7 AM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/Pennsylvania/New Castle Municipal Airport
Coming up. Rain is likely this morning, from about 11 AM (62%).
Now. New Castle Municipal Airport is 70° and overcast at 5 AM. The dew point is 66°, so the air feels oppressive. Light breeze from the southwest at 7 mph.
Today and tonight. It warms to about 71° by 6 AM. Tonight falls to about 37° by 7 AM, with some cloud.
The week. The warmest day ahead is Tuesday, near 67°, and the coolest tomorrow, near 51°. Rain is likely tomorrow (50%). The first freeze could come Sunday, a low of 30°.
The sky tonight. The sun sets at 6:40 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:31 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, 2 minutes shorter than yesterday.
As of 5:00 AM in New Castle Municipal Airport, Pennsylvania.
Air quality
Index 43, good, led by fine particles. Read at 5 AM from its reporting area, Mercer County (PA), 20 miles off.
Good each day through Sun Oct 18, led by fine particles. Yesterday measured 28, good.
Little smoke near the ground through Sun 2 AM: the index from smoke stays at 6 or under.
Precipitation
None in the last 24 hours; 0.15 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.
Visibility
Visibility stays 8 miles or more through Sun 2 AM, lowest 9 miles Fri 7 AM.
F
Now, today, and the week
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 05 / 23 | 3,995 ft | 75 ft | Asphalt | 40° / 220° | 6 mph head, on 23 | 1 mph from the right |
| 13 / 31 | 2,855 ft | 100 ft | Asphalt | 119° / 299° | 2 mph head, on 31 | 6 mph from the left |
Measured here
Every hour from New Castle (UCP), New Castle Municipal Airport's own instrument, measure by measure, on the field's own clock.
70 F at 4 AM; 70 F at its warmest, 4 AM, and 49 F at its coolest, 7 AM Thursday.
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
A dew point of 66 F, the air 88% saturated; the humidity ran from 55% at 1 PM Thursday to 100% at 7 AM Thursday.
How it is measured: Humidity variables, Field Book FB-WAT-002
6 mph from the southwest at 5 AM; at its strongest 7 mph, 9 AM Thursday, and no gust reported.
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
29.80 inHg at 5 AM, falling 0.03 inHg over 3 hours; 0.39 inHg lower than a day before.
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Down to 6 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 500 ft at 12 AM; a base was reported in 19 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
New Castle: every reading, the last 7 days, 30 days and the year, and how well it reports
The 5 instruments nearest New Castle 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 now3 instruments
New CastleUCP
At an airfield/0.0 mi away/1,072 ft/2 ft above here
temp, wind, gust, visibility, precip, pressure
I-80 E/B @ MM 11 /Exit 15 Mercer PA US PADOTPA040
Beside a road/12.0 mi away/1,079 ft/9 ft above here
temp, pavement temp, wind, visibility, precip
Slippery RockSLPP1
At a river or reservoir gauge/18.7 mi away/1,224 ft/154 ft above here
temp, wind, gust, humidity, pressure
measured daily2 instruments
New Castle 2.2 WSWPA-LW-25
In a volunteer observer's own ground/3.4 mi away/826 ft/244 ft below here
precip, snowfall, snow depth
Slippery RockSPPP1
At a cooperative observer's station/18.5 mi away/1,263 ft/193 ft above 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.