Look Up an Airport’s Past Weather by Month

Give your Agent the airport name, country and month with its year. It confirms the airport and finds the available past weather observations for that monthly request, so you can review temperatures, weather, wind and humidity.

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Use Toolmu to look up monthly airport weather observations with https://toolmu.com/tools/get-monthly-observations-weather-underground for [airport name] in [country], for [month and year]. Confirm the exact airport and the month before preparing the request. If the airport is ambiguous, ask me to choose using ordinary airport and country details, or request [airport weather page link]; verify the airport and pause if it remains unconfirmed. Act within my existing authorization and budget. Show available records with source time labels, temperature units, weather, wind and humidity. Keep source-reported daily highs separate from highs calculated from returned records, and retain gaps and source warnings. Do not convert source times to airport local dates unless the airport local clock is verified. Explain that records may be incomplete and can include times or summary dates near a neighbouring month.

Task:
Show available past weather observations for [airport name] in [country] for [month and year]. Put times, temperature units, weather and wind in a table. Label source-reported daily highs separately from highs calculated from returned records, and explain gaps and source warnings.

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Weather Underground

Look Up an Airport’s Past Weather by Month

You receive

Read the available airport observations in a table with source time labels, temperature units, weather descriptions, wind and humidity. When daily summaries are supplied, any source-reported highs and highs calculated from returned records are shown separately with their original labels.

Start with your task

Show available past weather observations for [airport name] in [country] for [month and year]. Put times, temperature units, weather and wind in a table. Label source-reported daily highs separately from highs calculated from returned records, and explain gaps and source warnings.

What to know

Records may have gaps, and local observation times may be missing. A monthly request can include times or summary dates near an adjacent month and does not prove a complete local month or every hour. Keep source warnings; a high calculated from incomplete records may miss a warmer reading.

Inputs & outputs

Inspect the current inputs, availability, and maximum charge before starting.

Input schema

Input schema
Field / Path	Type	Requirement	Meaning
queryParams`queryParams`	`object`	Required	Required fields `month, station_id, year`
Year`queryParams.year`	`integer`	Required	The year of the month you want to review, supplied as an integer; for example, 2026.
Month`queryParams.month`	`integer`	Required	The month number as an integer from 1 through 12. For example, 9 requests September.
Airport ICAO station code`queryParams.station_id`	`string`	Required	The airport weather station's ICAO identifier, such as KJFK or EGLL. Use the station's code rather than a city name or a personal weather station ID.
Station country code`queryParams.country_code`	`string`	Optional	An optional two-letter ISO country code for the airport station, such as US or GB.

View raw JSON

{
  "type": "object",
  "required": [
    "queryParams"
  ],
  "properties": {
    "queryParams": {
      "type": "object",
      "required": [
        "month",
        "station_id",
        "year"
      ],
      "properties": {
        "year": {
          "type": "integer",
          "description": "Year (e.g. 2024)."
        },
        "month": {
          "type": "integer",
          "description": "Month number, 1 through 12."
        },
        "station_id": {
          "type": "string",
          "description": "Airport station ICAO code (e.g. KJFK, EGLL)."
        },
        "country_code": {
          "type": "string",
          "description": "Two-letter ISO country code for the station (e.g. US, GB)."
        }
      },
      "additionalProperties": false
    }
  },
  "additionalProperties": false
}

Result schema

No fixed output contract is available. Field types reflect saved result evidence; individual responses can differ.

Result schema
Field / Path	Type	Meaning
Observation time in UTC`result.data.observations[].observed_at_utc`	`string`	The UTC timestamp attached to an observation. Use it to order the records; it is not a local timestamp or the time the report was retrieved.
Observed temperature`result.data.observations[].temp`	`number`	The temperature recorded for this observation. Read it together with temp_unit; a missing value is not a zero reading.
Temperature unit`result.data.observations[].temp_unit`	`string`	The unit supplied with the observation temperature. C indicates degrees Celsius; preserve the unit when presenting the value.
Weather description`result.data.observations[].wx_phrase`	`string`	The source's short description of conditions at the observation time, such as Cloudy. It describes the recorded conditions rather than a forecast.
Observed wind speed`result.data.observations[].wspd`	`number`	The supplied wind-speed value for the observation. The field has no explicit unit beside it; keep the value and unit context without guessing a speed unit.
Observed wind direction`result.data.observations[].wdir_cardinal`	`string`	The supplied compass-direction code, such as S for south. Keep the original code when a value's meaning is not confirmed.
Relative humidity`result.data.observations[].rh`	`number`	The relative-humidity value supplied for this observation. A null or absent value means no value was supplied, not zero humidity.
Daily summary date`result.data.daily_summary[].date`	`string`	The date associated with the daily summary. The field does not specify a timezone, so it does not establish a local-date boundary for every UTC observation.
Source-published daily high`result.data.daily_summary[].source_published_daily_max`	`number`	A daily high supplied by the source when present. It can differ from max_temp_from_returned_rows; keep the two values separately labeled.
Highest temperature in returned records`result.data.daily_summary[].max_temp_from_returned_rows`	`number`	The maximum calculated from the returned observation rows. Missing readings may conceal a higher temperature, so this value does not prove the full day's true high.
Daily-high origin`result.data.daily_summary[].max_temp_provenance`	`string`	The daily high's origin marker. SOURCE_PUBLISHED indicates a source-published value; DERIVED_FROM_ROWS indicates a value calculated from returned observations. Keep this marker with the corresponding value.
Reported missing hours`result.data.response_metadata.missing_hour_count`	`number`	The number of missing hours reported for this response. It warns of incomplete coverage without explaining the cause or supplying the missing weather readings.
Data source note`result.data.data_source_note`	`string`	The response's source warning. UNVERIFIED_TWC_AIRPORT_HISTORY_PROXY identifies unverified TWC airport-history proxy data. Preserve this warning when using or sharing the observations.

Additional notes

Times and monthly boundaries

UTC observation times and daily-summary dates can reach an adjacent month. Local timestamps and timezone offsets may be missing. Confirm the airport's timezone before converting or filtering by local date; a timezone is not an input for this request. Keep summary dates as supplied.

Source background: Weather Underground data information.

Questions about this tool.

Inputs, results and details to know before running it.

Get connected

The assistant asks you to choose using ordinary airport and country details. You can share [airport weather page link] for it to check. If the exact airport still cannot be confirmed, the request pauses rather than guessing.

Look Up an Airport’s Past Weather by Month

Look Up an Airport’s Past Weather by Month

You receive

Start with your task

What to know

Inputs & outputs

Input schema

Result schema

Times and monthly boundaries

Fill in the airport and month

Send the task and confirm

Read the records with their limits

Questions about this tool.

You receive

Start with your task

What to know

Inputs & outputs

Input schema

Result schema

Times and monthly boundaries

Fill in the airport and month

Send the task and confirm

Read the records with their limits

Questions about this tool.

What if the airport name is unclear?

Does a monthly request include every hour of that month?