Cloud Free Night is an online weather forecast information service, for the benefit of the Australia & New Zealand astronomy and photography communities. It is unique in offering a comparison of the widely available forecasts from the United States GFS global model with higher resolution forecasts from the Australian Bureau of Meteorology ACCESS model.

"A superbly practical tool with the local Access model for planning public and school events, astro field trips for observation collection, and knowing whether to get out of bed to try seeing something that's pre-dawn. Over the years since it was first developed and trialled, it's always been by far the most reliable predictor for the Mornington Peninsula region, including the Briars observatory. Three cheers for Robert, Phil et al." Peter Skilton - Mornington Peninsula Astronomical Society (13 March 2019)

Cloud Free Night displays forecast maps over specific Australian regions and New Zealand, and meteograms summarising the forecast over the next ten days for particular locations. The maps allow you to toggle between the GFS and ACCESS models at any point while the meteograms present detailed cloud information or a summary comparison of the two models.

Cloud Free Night displays the latest Himawari-8 satellite images and radar images via the Australian Bureau of Meteorology. The high-definition satellite images are conveniently matched to the forecast map regions. The radar images are presented using a modified colour palette for greater clarity.

Cloud Free Night is operated by a small team from the Australia astronomy community. Please contact us ( if you would like a meteogram for your home town location or your club's observing site. We would also like to hear your suggestions to enhance the Cloud Free Night service.