How to use Stargazing Weather

Tool walkthrough · 0:53 · silent, with on-screen words

A walkthrough of Stargazing Weather for Georgetown, recorded from the real tool with a dated forecast: the verdict, the best viewing window, the conditions now and hour by hour.

The video file (MP4, 2243 kB)

Shows Stargazing Weather at Georgetown with the Open-Meteo forecast fetched on 6 October 2026 at 15:50 GYT, Guyana time.

Chapters

  1. 0:04 Tonight’s verdict
  2. 0:18 The best viewing window
  3. 0:26 Conditions now
  4. 0:34 Hour by hour
  5. 0:43 The week ahead

From the lesson How to Use Stargazing Weather.

What the video shows, in words

A silent walkthrough recorded from the real Stargazing Weather tool on this site, for Georgetown, Guyana, with a dated forecast, the cursor and on-screen words showing each step.

With the Open-Meteo forecast fetched at Tue 6 Oct, 15:50 GYT, the tool scores tonight 83 (Go tonight — solid window, dew is a concern), from 25% cloud, watch dew, transparency excellent, 10.0h astro dark, moon 14% lit, clear window soon. Its best viewing window is tonight, 20:00–02:00 GMT-4: excellent, 9% cloud, 84% RH. The conditions at the time read 95% cloud, 67% humidity, 29°C, wind 18 km/h and a dew spread of 6.8°C; tonight averages 23% cloud.

  1. 0:00 Stargazing Weather turns a forecast into one question: is tonight worth going out?
  2. 0:04 The dial scores tonight out of 100: 83, Go, from cloud, dew, darkness and the Moon. Here it is mid-afternoon in Georgetown, Tue 6 Oct, 15:50 GYT.
  3. 0:12 The chips say why: 25% cloud, watch dew, transparency excellent, and the Moon 14% lit.
  4. 0:18 The best window tonight runs 20:00–02:00 GMT-4: excellent, 9% cloud, 84% RH.
  5. 0:26 Right now the sky is 95% cloud, 67% humidity and 29°C: the afternoon cloud clears after dark.
  6. 0:34 The cloud layers chart shows the clearing hour by hour; tonight averages 23% cloud.
  7. 0:43 The seven-night outlook scores every night; the best this week is tonight, at 83.
  8. 0:49 Check it in the afternoon, then again before you leave: tropical cloud changes fast.

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