WxDecoder

KPSM/PSM METAR & TAF Portsmouth International Airport at Pease

Portsmouth, New HampshireElevation 100 ftMedium airport
CURRENT STATUS
VFR50 min old
No ceiling, visibility 10 SM.
FLIGHT CATEGORY
VFR
ceiling & visibility
WIND
130@8
steady
VISIBILITY
10 SM
16.1 km
CEILING
None
no BKN/OVC layer
DENSITY ALT
-248 ft
-348 ft vs field
CURRENT METAR

Decoded observation

Observed 1955Z (3:55 PM local) · 50 min old

KPSM is currently VFR. Winds are from the southeast at 8 knots. Visibility is 10 statute miles. There is no ceiling.

WIND
130° at 8 kt
Steady.
VISIBILITY
10 statute miles
16.1 km, good.
CEILING & SKY
CLR
FEW and SCT layers are not ceilings.
TEMP / DEWPOINT
16°C / 4°C
61°F / 39°F. 12°C spread.
ALTIMETER
30.41 inHg
1029.8 hPa, above standard.
WEATHER & HAZARDS
No significant hazards
No precipitation or obscuration reported.

Codes in this report: CLR RMK

Hover or tap any group for a plain-English explanation.

REMARKS: DECODED
AO2A
automated station with observer augmentation
SLP301
sea-level pressure 1030.1 hPa
T01620039
precise temperature 16.2°C, dew point 3.9°C
TERMINAL AERODROME FORECAST

TAF timeline

Issued 1720Z (1:20 PM local) · valid to 1800Z (2:00 PM local)

KPSM forecast starts VFR at 18Z. Conditions are roughly steady over the period.

VFR
1800Z2:00 PM2248Z6:48 PM0336Z11:36 PM0824Z4:24 AM1312Z9:12 AM1800Z2:00 PM

Codes in this report: P6SM SKC

Tap any group to decode it.

FAA: no delays reported at PSM.

Source: FAA System Operations (ASWS). Operational status only; verify with official FAA sources and NOTAMs.

SUGGESTED RISK · TRAINING USE

Suggested risk level: Low

›No significant weather concerns in the current report.

A suggested risk level for training and situational awareness only, not a go/no-go authority. Verify with official sources and apply your personal minimums.

FORECAST & PILOT NOTES · SUPPLEMENTAL

Extended forecast and pilot notes

Current aviation conditions show flight category VFR, wind from 130° at 8 kt, visibility 10 SM, ceiling none. Forecast suggests this afternoon sunny, high near 64F, low near 35F, 0% chance of precipitation. Key risks: no significant hazards are highlighted right now, but always confirm against an official briefing.

DayConditionsTemp FWindGustsPrecipPilot note
This Afternoon Sunny 64/35 S 4 kt – 0%
Monday Sunny 68/37 W 4 kt – 3%
Tuesday Sunny 54/29 NW 4 kt – 0%
Wednesday Sunny 55/37 E 4 kt – 0%
Thursday Sunny 66/48 SW 9 kt – 4%
Friday Mostly Sunny 69/42 W 9 kt – 4%
Saturday Mostly Sunny 63/45 W 4 kt – 6%

Source: National Weather Service (office GYX). Forecast issued 2044Z.

Radar

Radar data: NOAA/NWS MRMS composite reflectivity. For situational awareness only, not a substitute for an official weather briefing.

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RUNWAYS & WIND
1 runway · crosswind ranking
ON-FIELD METAR
NESW1634 130°130°8 kt130°130° 8130°
READING THE BARB · SWIPE FOR MORE →
Calm
5 kt
10 kt
15 kt
20 kt
25 kt
30 kt
35 kt
40 kt
45 kt
50 kt
65 kt
75 kt
100 kt
105 kt
Half feather = 5 kt, full = 10 kt, filled pennant = 50 kt; add them up. The staff points the direction the wind blows from.
WIND USED
130° at 8 kt
Components computed from the current on-field METAR wind.
RECOMMENDED
RWY 168 kt headwind · 3 kt crosswind
RUNWAYS BY WIND · best end
16
HEAD
8 kt
CROSS
3 kt L
BEST
34
HEAD
8 kt tail
CROSS
3 kt R
OK
Components are estimates from the current METAR wind and runway heading. Verify with the Chart Supplement and NOTAMs.
RUNWAYS

Runway detail & declared distances

1 runway · longest 11,321 ft

16/34
Dimensions
11,322 x 150 ft
Surface
Asphalt
Edge lights
HIGH
RWY 16149°T
Landing length (LDA)10,518 ft
TORA / TODA / ASDA11,321 / 11,321 / 11,321 ft
Displaced threshold803 ft
ILSILS
Approach lightsMALSR
VGSIPAPI (P4L)
Traffic patternRight
RWY 34329°T
Landing length (LDA)11,321 ft
TORA / TODA / ASDA11,321 / 11,321 / 11,321 ft
ILSILS
Approach lightsMALSR
VGSIPAPI (P4L)
Traffic patternLeft

Runway data from the FAA NASR dataset (effective 2026-06-11). Verify with the current Chart Supplement and NOTAMs.

FIELD CONDITIONS

Performance & density altitude

Density altitude
-248 ft
Pressure altitude
-390 ft
Field elevation
100 ft MSL
Temperature
16°C (61°F)
Dewpoint
4°C (39°F)
Altimeter
30.41 inHg

Density altitude estimates how the aircraft performs versus standard atmosphere. Higher density altitude reduces climb performance and increases takeoff distance.

DAYLIGHT & NIGHT

Sun & logging windows

Sunset
2145Z 5:45 PM
Sunrise
1110Z 7:10 AM
Loggable night
2214Z (6:14 PM local) → 1040Z (6:40 AM local)
end of evening to start of morning civil twilight
Position lights required
2145Z (5:45 PM local) → 1110Z (7:10 AM local)
sunset to sunrise (91.209)
Night passenger currency
2245Z (6:45 PM local) → 1010Z (6:10 AM local)
1 hr after sunset to 1 hr before sunrise (61.57(b))

FAA definitions, shown in Zulu with airport-local time. Verify for your operation.

AIRPORT INFORMATION

Facility & services

Portsmouth International Airport at Pease is in Portsmouth, New Hampshire. Field elevation 100 ft MSL. Airport facts are drawn from OurAirports and the FAA NASR dataset.

OPERATIONS & CONTACT
OwnershipPublicly owned
UseOpen to the public
TypeMedium airport
Airline serviceYes
ManagerJOHN MEEHAN
Manager phone603-766-9238
AttendedContinuous (24 hours)
CHARTS & AIRSPACE
ICAO / IATAKPSM / PSM
SectionalNEW YORK
Center (ARTCC)BOSTON
Flight service (AFSS)BANGOR
RegionNew Hampshire
CountryUnited States
Coordinates43.0779, -70.8233
Distance from city1 NM W
SERVICES & LIGHTING
Fuel100LL · Jet A
Control towerTowered
BeaconSunset to sunrise · White-green (lighted land airport)
UNICOM122.950
FREQUENCIES

Communications

125.05
BOSTON APP
APP
132.05
ATIS
ATIS
33.58
CLNC DEL
CLD
125.05
DEP
DEP
127.05
GCA
GCA
120.95
GND
GND
134.1
ARW ANG OPS
MISC
128.4
TWR
TWR
122.95
UNICOM
UNIC
122.950
UNICOM
UNICOM

Not all tower/ground/approach frequencies are in our datasets. Verify with the FAA Chart Supplement.

AIRCRAFT ACTIVITY

KPSM traffic patterns

2026-06-13 to 2026-10-23, 67 days observed · data 2026-10-23

High confidence
TRAFFIC VOLUME (30-DAY)
AVG LANDINGS/DAY
26.8
AVG OPS/DAY
44.8
Activity trend over 18 days: rising, from 26 to 69 operations per dayOperations trend (18 days)

Busiest day: Wed · Busiest month: Oct

FLEET MIX
Piston single 29%Unknown 29%Jet 17%Airliner 10%Turboprop 9%Helicopter 3%Twin 3%

Mostly small piston aircraft.

TOP AIRCRAFT TYPES
›RV12 (Unknown) · ~47 landings/mo
›PC12 (Turboprop) · ~27 landings/mo
›C172 (Piston single) · ~25 landings/mo
›PC24 (Unknown) · ~22 landings/mo
›P28A (Piston single) · ~13 landings/mo
LIKELY BASED AIRCRAFT
Low-confidence estimate

Aircraft likely based near this airport (estimate), mostly aircraft of unknown type.

›RV12 (Unknown)
›C172 (Piston single)
›P28A (Piston single)
›SR22 (Piston single)
›C150 (Piston single)

This is an estimate based on repeated flight patterns, not registration data. Do not rely on it to identify specific aircraft or owners.

Data limitations (4)
›ADS-B coverage is incomplete; counts are an observed lower bound, not official totals.
›Some aircraft do not transmit usable ADS-B and are not counted.
›Aircraft types and based estimates are inferred and may be wrong.
›This is not official ATC, FAA, or airport data.
NEARBY AIRPORTS

Weather reference stations

Current flight category at nearby reporting stations.

KSFM Sanford Seacoast Regional Airport
20 NM N
VFR
KLWM Lawrence Municipal Airport
25 NM SW
VFR
KMHT Manchester-Boston Regional Airport
28 NM W
VFR
KBVY Beverly Regional Airport
30 NM S
VFR
KCON Concord Municipal Airport
31 NM W
VFR
KASH Nashua Airport / Boire Field
35 NM SW
VFR
AIRPORT REMARKS

Operational remarks

›50:1 TO DTHR.
›PCR VALUE: 430/F/A/X/T
›CAUTION: HGT GROUP 1 WCH 54 FT.
›MILITARY: ANG: CTN: BASH PHASE II IN EFF MAR THRU MAY & SEP THRU OCT ANNUALLY. BASH MITIGATION PRO IN PLACE. CTC PEASE TWR FOR CURRENT BWC.
›NO PLA OR TGL 2300-0700 FOR LCL-BASED ACFT, 2100-0700 FOR TSNT ACFT OR BFR 1200 SUN FOR ALL ACFT.
›RWY 16-FST 600 FT CONC-GROOVED.
›INDEX E ARFF CAPABILITY AVBL 24/7.
›AVOID CLOSE IN BASE LEGS/SHORT APCHS.
›200 FT BLAST PAD EACH RWY END.
›ON OTHER THAN A PUBLD IAP--ARRG ACFT SHOULD ESTAB THEMSELVES ON FINAL APCH AT LEAST 2 NM FM THE RWY THR AT A MIN OF 700 FT MSL.
›MILITARY OIL: RQR 48 HR PROCESSING TIME.
›RWY 34 IS PREFERRED WHEN TAILWIND CMPT IS LESS THAN FIVE KTS. RWY 16 IS PREFERRED FOR TKOF, BTN 2200-0659, WHEN TAILWIND CMPT IS FIVE KTS OR LESS.
›LITTLEBROOK AIRPARK LCTD 052 DEG 4.4 NM; TFC PAT 1130 FT MSL. FLY DOWNWIND LEG NO CLOSER THAN 1/2 MI FM RWY.
›NOISE SENSITIVE AREAS OFF BOTH ENDS OF RWY.
›16/34 DBL FACED DIST MKRS BOTH SIDES OF RWY AT 1000 FT INTVLS.
›AFLD MGMT HRS 1200-0400++ MON-THU, 1200-2100++ FRI, CLSD SAT-SUN, AND HOL EXC UNIT TRNG. ALL TRAN ACFT RQR PPR NLT 72 HR. CTC AFLD MGMT DSN 852-2458 OR 2407. PPR RQRD OUTSIDE PUBLD HRS, CTC COMD POST DSN 852-2459, C603-430-2459. CTC PACK CONTROL 323.8, 30 MIN PRIOR TO LDG. AFLD MGMT DOES NOT STORE COMSEC, CTC COMD POST FOR TEMPO STORAGE. DEICING AVBL, ANTI-ICE AVBL AT FBO.
›TURB APCH END RWY 34 IN STRONG X WINDS.
›AVBL AT ANG 603-430-2459.
›BIRDS ON AND INVOF ARPT.
›ON DEP MNTN RWY HDG TO 1100 FT MSL OR END OF RWY (WHICHEVER OCCURS LAST) PRIOR TO TURNING.
›ALL INBD ACFT WITH HAZUS CARGO INFO CALL ATCT 60 NM OUT.
›EDGE LGTS ARE 24 IN TALL; 85 FT FM CNTRLN.
›TFC PAT: RECTANGULAR 1600 FT MSL OVD 2100 FT MSL - LGT ACFT 1100 FT MSL.
›NO 180 DEG TURNS FOR ACFT OVER 12500 LBS GWT ON ASPH PORTION OF RWY 16/34.
›CUST 24X7X365 CUST CLEARING AVBL. STD OFC HRS MON THRU FRI 0900-1630. CUST MUST BE ARNGD IN ADVN AT 603-422-0910. INT'L ARRS MUST ARNG FOR GND HANDLING PRIOR TO ARR. FBO 603-430-1111/128.825 ARINC.
OFFICIAL LINKS & SOURCES
↗Official METAR on AviationWeather.gov
↗Search NOTAMs (official FAA NOTAM Search)
↗Official airport website
↗Wikipedia
↗KPSM on OurAirports
FREQUENTLY ASKED
Does KPSM have a METAR?
Yes. KPSM has a current METAR observation, decoded into plain English on this page.
Does KPSM have a TAF?
Yes, a TAF is issued for KPSM; the decoded forecast timeline is shown above.
What is the field elevation at KPSM?
KPSM sits at 100 ft MSL, which factors into the density-altitude estimate on this page.
Is this an official preflight weather briefing for KPSM?
No. wxdecoder.com is for education and situational awareness only. It is not an official weather briefing or a substitute for official sources, NOTAM review, and pilot judgment.
This app is for aviation weather education, training, and situational awareness only. It is not a substitute for an official weather briefing, approved flight-planning software, flight service, dispatch procedures, current FAA regulations, or pilot judgment. Always verify weather with official sources before flight.