Temperature
60 F at 4 AM; 67 F at its warmest, 2 PM Thursday, and 56 F at its coolest, 6 AM Thursday.
- Now
- 60F
- 4 AM
- Highest
- 67F
- 2 PM Thursday
- Lowest
- 56F
- 6 AM Thursday
How it is measured: Stevenson screen and siting, Field Book FB-INS-009
Airports/Pennsylvania/Harrisburg International Airport
Harrisburg International Airport, Pennsylvania
Medium airport in York County, Pennsylvania60°
81°/58°
Overcast·
Feels like 60°·Light breeze 7 mph SSE
Coming up. Tomorrow is 28 degrees cooler: a high of 53° after 81° today.
Now. Harrisburg International Airport is 60° and overcast at 5 AM. The dew point is 58°, so the air feels a little humid. Light breeze from the south-southeast at 7 mph.
Today and tonight. It warms to about 81° by 3 PM. Tonight falls to about 46° by 8 AM, with some cloud.
The week. The warmest day ahead is Wednesday, near 66°, and the coolest tomorrow, near 53°. The days ahead look dry. Frost is possible Sunday morning, a low of 36°.
The sky tonight. The sun sets at 6:26 PM. The Moon is a waxing crescent, 33% lit, and sets at 10:19 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 9 minutes long, 2 minutes shorter than yesterday.
0UV Low
36Air quality
93%Humidity
100%Cloud
Now
5:00 AM
60feels60
15%
Today
Oct 16
8158
89%
16mph
Sat
Oct 17
5346
16mph
Sun
Oct 18
5736
clear day
Mon
Oct 19
6039
mostly clear day
Tue
Oct 20
6543
10%
Wed
Oct 21
6647
mostly clear day
Thu
Oct 22
6346
mostly clear day
60°
81°58°
53°46°
57°36°
60°39°
65°43°
66°47°
63°46°
As of 5:00 AM in Harrisburg International Airport, Pennsylvania.
Air quality
The air at Harrisburg International Airport
Index 36, good, led by fine particles. Read at 4 AM from its reporting area, Susquehanna Valley (PA), 19 miles off.
36Good
- Fine particles (PM2.5)36Good6 mi
- Ozone18Good15 ppb6 mi
The days ahead
Good each day through Sun Oct 18, led by fine particles. Yesterday measured 28, good.
GoodModerate
- 28YesterdayOct 15
- 37TodayOct 16
- 9SatOct 17
- GoodSunOct 18
Smoke, the next 40 hours
Little smoke near the ground through Sat 8 PM: the index from smoke stays at 6 or under.
Precipitation
What has fallen at Harrisburg International Airport
None in the last 24 hours; 0.02 in over the last 3 days, to Fri 4 AM. Measured by radar and rain gauges, as water.
- Last 24 hours
- 0.00in
- Last 3 days
- 0.02in
3 days agoLast 24 hours 0%
Visibility
How far you can see at Harrisburg International Airport, the next 40 hours
Visibility stays 3 miles or more through Sat 8 PM, lowest 3 miles Fri 6 PM.
F
Now, today, and the week
Weather instrument stations by state
Airfield
- Code
- MDT
- ICAO
- KMDT
- IATA
- MDT
- Field elevation
- 310 ft
- Serves
- Harrisburg
- Kind
- Medium airport
- Scheduled service
- Yes
- Its own instrument
- MDT
- Wind now
- From 150° at 7 mph, read 16 Oct, 04:44
Runways
| Runway | Length | Width | Surface | Heading, true | Wind along it now | Crosswind now |
|---|---|---|---|---|---|---|
| 13 / 31 | 10,001 ft | 200 ft | Asphalt | 117° / 297° | 6 mph head, on 13 | 4 mph from the right |
Measured here
What the airfield's own instrument measured, the last 24 hours
Every hour from Middletown/Olmsted (MDT), Harrisburg International Airport's own instrument, measure by measure, on the field's own clock.
Humidity and dew point
A dew point of 58 F, the air 93% saturated; the humidity ran from 54% at 2 PM Thursday to 96% at 10 PM Thursday.
- Dew point now
- 58F
- 4 AM
- Humidity now
- 93%
- Humidity, range
- 54 to 96%
How it is measured: Humidity variables, Field Book FB-WAT-002
Wind
8 mph from the south southeast at 4 AM; at its strongest 9 mph, 9 AM Thursday, with a gust of 18 mph at 9 AM Thursday.
- Now
- 8mph
- from the south southeast
- Strongest
- 9mph
- 9 AM Thursday
- Highest gust
- 18mph
- 9 AM Thursday
How it is measured: Coriolis as geometry, Field Book FB-ENG-008
Pressure
29.94 inHg at 4 AM, falling 0.10 inHg over 3 hours; 0.24 inHg lower than a day before.
- Now
- 29.94inHg
- 4 AM
- 3 hours
- -0.10inHg
- falling
- 24 hours
- -0.24inHg
How it is measured: Hydrostatic balance, Field Book FB-ENG-003
Visibility
Down to 4 miles at 8 PM Thursday; 10 miles or more now.
- Now
- 10+mi
- Lowest
- 4mi
- 8 PM Thursday
- Hours under a mile
- 0
How it is measured: Fog types, Field Book FB-WAT-020
Cloud base
The lowest cloud base came down to 700 ft at 3 AM; a base was reported in 23 of the hours.
- Lowest base now
- -
- Lowest in 24 hours
- 700ft
- 3 AM
- Hours with a base reported
- 23
How it is measured: Cloud classification, Field Book FB-SKY-001
Precipitation
0.04 in measured in the gauge, the most, 0.02 in, in the hour to 8 PM Thursday.
- Last 24 hours
- 0.04in
- Wettest hour
- 0.02in
- 8 PM Thursday
- Hours with some
- 7
How it is measured: ASOS, Field Book FB-INS-002
Middletown/Olmsted: every reading, the last 7 days, 30 days and the year, and how well it reports
What is measuring near here
The 6 instruments nearest Harrisburg International 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 now4 instruments
At an airfield/0.1 mi away/308 ft/2 ft below here
temp, wind, gust, visibility, precip, pressure
I-83 S/B @ Exit 38 Reeser Summit PA US PADOTPA019
Beside a road/5.4 mi away/643 ft/333 ft above here
temp, pavement temp, wind, visibility, precip
Manada GapMNGP1
At a river or reservoir gauge/15.4 mi away/660 ft/350 ft above here
temp, wind, gust, humidity, pressure
Mahantango CkS2028
At a soil climate station/33.1 mi away/730 ft/420 ft above here
temp, humidity, soil temp, soil moisture
measured daily2 instruments
Middletown 0.9 NPA-DP-45
In a volunteer observer's own ground/2.1 mi away/430 ft/120 ft above here
precip, snowfall, snow depth
HarrisburgHRBP1
At a cooperative observer's station/8.4 mi away/423 ft/113 ft above here
snowfall, snow depth, precip, high, low
What the snow tracker reads here
Every instrument in this state
-
Snow on the ground
Elsewhere in Pennsylvania
24 places, each with its own forecast and its own instruments.
Allegheny National ForestfeatureAllentowncityAltoonacityBlue Mountainski areaCamelbackski areaElk Mountainski areaEriecityHarrisburgcityJack Frost Big Boulderski areaJohnstowncityLaurel Ridge State ParkfeatureLiberty Mountainski areaMontage Mountainski areaPhiladelphiacityPittsburghcityRoundtopski areaScrantoncitySeven Springsski areaShawnee Mountainski areaState CollegetownStroudsburgtownWhitetailski areaWilkes BarrecityWilliamsportcity
Near Harrisburg International Airport
The nearest places, each with its own forecast and the instruments nearest it.
- Highspireborough, 2 mi
- Middletownborough, 2 mi
- Royaltonborough, 2 mi
- Goldsboroborough, 3 mi
- Valley Greencommunity, 3 mi
- Bresslercommunity, 4 mi
- Oberlincommunity, 4 mi
- Enhautcommunity, 4 mi
- Steeltonborough, 5 mi
- Rutherfordcommunity, 5 mi
- Lawntoncommunity, 5 mi
- Falmouthcommunity, 5 mi
Airports near Harrisburg International Airport
- Capital City AirportCXY, 5 mi
- Muir Army Air Field (Fort Indiantown Gap) AirportMUI, 20 mi
- York AirportTHV, 20 mi
- Lancaster AirportLNS, 25 mi
- Schuylkill County Joe Zerbey AirportZER, 41 mi
- Penn Valley AirportSEG, 44 mi
- Reading Regional Airport (Carl A Spaatz Field)RDG, 44 mi
- Northumberland County AirportN79, 46 mi