Is Hong Kong Observatory API down?
Current status, daily uptime history and troubleshooting for the Hong Kong Observatory API (Weather).
No, Hong Kong Observatory is up
Hong Kong Observatory answered our last daily check (Nov 15, 2026, 13:58 UTC) in 2134 ms with HTTP 200.
Checking Hong Kong Observatory now…
Sending a request from our server.
Hong Kong Observatory API uptime history
- Uptime
- 100% of 10 checks
- Last check
- Nov 15, 2026, 13:58 UTC
- Response
- 2134 ms · HTTP 200
- Last up
- Now
We check Hong Kong Observatory's listed URL (https://www.hko.gov.hk/en/abouthko/opendata_intro.htm) once a day. History started when Hong Kong Observatory was first checked, so new entries show fewer than 30 days.
Hong Kong Observatory API not working for you?
- A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header.
- If calls fail only in the browser with a CORS error, Hong Kong Observatory may not allow cross-origin requests. Call it from your server instead.
- If it works from one network but not another, check firewalls, VPNs and regional blocks.
- Check the provider's documentation, status page or social accounts for planned maintenance or a changed endpoint.
Weather APIs up at their last check
- 1
Veabird API
Online · 947 msBeach (sargassum, waves, hurricanes) and ski snow forecasts for 1,900+ resorts, no key.
- No API key needed
- 100% uptime (30 days)
- Returns JSON at its URL
- Callable from the browser (CORS)
No authHTTPSCORS - 2
WeatherTotals API
Online · 1147 msMeasured US snow, rain, hail and aurora totals by state and city.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 3
US Weather API
Online · 1027 msUS National Weather Service. A free weather API by weather.gov.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 4
FMI Open Data API
Online · 3753 msFinnish weather, sea, climate and radar observations via open WFS.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS - 5
NASA POWER API
Online · 2413 msGlobal solar and weather data for energy and agriculture.
- No API key needed
- 100% uptime (30 days)
- Callable from the browser (CORS)
- HTTPS
No authHTTPSCORS
Compare all Hong Kong Observatory alternatives · APIs down right now
Hong Kong Observatory API status FAQ
Is Hong Kong Observatory API down right now?
Hong Kong Observatory answered our last daily check (Nov 15, 2026, 13:58 UTC) in 2134 ms with HTTP 200. This page also runs a live check from our server when you open it, so you can see whether Hong Kong Observatory is responding at this moment.
How do you check whether Hong Kong Observatory API is up?
Once a day our checker requests Hong Kong Observatory's listed URL (https://www.hko.gov.hk/en/abouthko/opendata_intro.htm) and records whether it answers within 15 seconds. Answers like 401 (needs a key), 403 (blocks bots) or 429 (rate-limited) count as up, because the server responded. The listed URL is often the documentation page, so an API endpoint can occasionally fail while its docs stay up.
How reliable is Hong Kong Observatory API?
Hong Kong Observatory answered 100% of our last 10 daily checks. Above 99% is excellent for a free API; below 95% means you should cache responses and keep a fallback ready.
What can I use if Hong Kong Observatory API is down?
Free Weather APIs that were up at their last check include Veabird, WeatherTotals, US Weather. See the full list of Hong Kong Observatory alternatives for a comparison.
Why does Hong Kong Observatory API work for others but not for me?
A 429 response means you're being rate-limited. Slow down, cache responses, and respect any Retry-After header. If calls fail only in the browser with a CORS error, Hong Kong Observatory may not allow cross-origin requests. Call it from your server instead. If it works from one network but not another, check firewalls, VPNs and regional blocks.