Aviation

The Tomorrow.io REST Weather API provides aviation-related data fields.

Important notice about "Metar" and "MetarTaf" fields:
Our weather engine uses formal airports weather reports (METAR, TAF, ASOS, and other airport weather observations) and publish them on the timeline, allowing users to consume the data sources as a fluent synthetic feed. Using these fields can allow users to base automatic alerts and insights on the most relevant aviation-related weather source, under consideration that this data is an advisory only.

API Param

Description

Availability

temperatureMetar

METAR temperature

Includes all weather observations reported by station (including ASOS)

F: [-7d, +1h]
I: T I R (no map support)
A: Land, 6km radius from METAR/TAF stations
S: None

dewPointMetar

METAR dew point

Includes all weather observations reported by station (including ASOS)

F: [-7d, +1h]
I: T I R
A: Land, 6km radius from METAR/TAF stations
S: None

pressureSeaLevelMetar

METAR barometric pressure that was last reported. After 2 hours from last report field will be "null"

Includes all weather observations reported by station (including ASOS)

F: [-7d, +1h]
I: T I R
A: Land, 6km radius from METAR/TAF stations
S: None

windSpeedMetarTaf

METAR/TAF wind speed

METAR Includes all weather observations reported by station (including ASOS)

F: [-7d, +24h]
I: T I R
A: Land, 6km radius from METAR/TAF stations
S: None

Transition from METAR data to TAF data at +1h after last METAR report

windDirectionMetarTaf

METAR/TAF wind dierction

METAR Includes all weather observations reported by station (including ASOS)

F: [-7d, +24h]
I: T I R
A: Land, 6km radius from METAR/TAF stations
S: None

Transition from METAR data to TAF data at +1h

windGustMetarTaf

METAR/TAF wind gust

METAR Includes all weather observations reported by station (including ASOS)

F: [-7d, +24h]
I: T I R
A: Land, 6km radius from METAR/TAF stations
S: None

Transition from METAR data to TAF data at +1h

When no gust reports - shows “windSpeedmetarTaf”

visibilityMetarTaf

METAR/TAF visibility

METAR Includes all weather observations reported by station (including ASOS)

F: [-7d, +24h]
I: T I R
A: Land, 6km radius from METAR/TAF stations
S: None

Transition from METAR data to TAF data at +1h after last METAR report

cloudBaseMetarTaf

METAR/TAF cloud base ("Ceiling")

METAR Includes all weather observations reported by station (including ASOS)

F: [-7d, +24h]
I: T I R
A: Land, 6km radius from METAR/TAF stations
S: None

Transition from METAR data to TAF data at +1h after last METAR report

When more than one cloud bases reported - shows only the lowest altitude reported

cloudCoverMetarTaf

METAR/TAF cloud cover

METAR Includes all weather observations reported by station (including ASOS)

F: [-7d, +24h]
I: T I R
A: Land, 6km radius from METAR/TAF stations
S: None

Describes the lowest reported cloud base.
Transition from METAR data to TAF data at +1h after last METAR report

Rounded to 4 coverage options:
FEW = 18.7% (3/16)
SCT = 43.7% (7/16)
BKN = 75% (12/16)
OVC = 100%