freeapis

Hong Kong Obervatory

Provide weather information, earthquake information, and climate data

Authentication
No auth
HTTPS
Yes
CORS
Unknown
Category
Weather
Data source
public-apis + marcelscruz

Overview

The Hong Kong Observatory (HKO) exposes live Hong Kong weather — readings, forecasts, and warnings — as keyless JSON (verified live).

Quick Start

Current readings (verified live):

curl "https://data.weather.gov.hk/weatherAPI/opendata/weather.php?dataType=rhrread&lang=en"
{
  "icon": [66],
  "temp": { "data": [ { "place": "HONG KONG OBSERVATORY", "value": 28, "unit": "C" } ] },
  "humidity": { "data": [ { "value": 85, "unit": "percent" } ] },
  "rainfall": { "data": [ { "place": "HONG KONG OBSERVATORY", "max": 0.5 } ] }
}

Forecast:

curl "https://data.weather.gov.hk/weatherAPI/opendata/weather.php?dataType=fnd&lang=en"

Authentication

None — keyless.

Rate Limits & Notes

  • Free government open data; be polite with request rates.
  • dataType options: rhrread (readings), fnd (forecast), flw (warnings), local_weather_report.

FAQ

Is HKO free? Yes — keyless government open data (verified).

What data types? Readings, forecasts, and warnings.

What’s the response format? JSON (verified live).

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