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GPX Viewer 0.3.0 for macOS (build 4): Historical Weather

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@A097MPRUS A097MPRUS released this 25 Oct 20:25
v0.3.0
a4c4635

GPX Viewer 0.3.0 with the Weather inspector

Historical weather for the time and place of a recording in both Mac editions: a Weather inspector with summaries, a timeline linked to the map and graphs, eight modelled graph lines, a local cache and clear attribution.

File Mac macOS Size SHA-256
GPX Viewer 0.3.0 Apple Silicon macOS 13+.pkg Apple silicon (M1 and later) 13 Ventura and later 4.5 MB 1036e9d2454673f449bb6cb66d16d0ce896a6d23236958e5f80c76f5f46b1711
GPX Viewer 0.3.0 Intel macOS 10.13-12.pkg Intel 10.13 High Sierra to 12 Monterey (later Intel systems not tested) 6.2 MB 70ea3288940ffacbeec8315dc607f21e4bf2201c76a03647a225af089707d312
GPX-Viewer-0.3.0-source.zip Source code, MIT License 2.8 MB 6cce8e6570e6cc0a7830ac438baf02e1deecf4dac47f774650e81b55e41f8476

0.3.0 is the current macOS version. macOS 0.2.0 (build 3, 25 October 2026) and 0.1.0 stay available as archived releases in their own folders. The Windows edition is unchanged (Windows 0.3.0).

New features

  • Weather inspector in both Mac editions (the cloud and sun tab; also Track, Retrieve Historical Weather and View, Weather).
  • Weather is matched to the recording itself: places sampled along the route about every 10 km and at height changes of 300 m, hourly values matched to each point's timestamp in UTC and blended between neighbouring places.
  • Air temperature, feels-like temperature, dew point, relative humidity, precipitation, rain, snowfall, wind speed, wind direction, gusts, sea-level and surface pressure, cloud cover and the weather condition. Visibility is shown as not provided by the source.
  • Weather timeline over the recording time (temperature, hourly precipitation, wind arrows), linked to the map marker, the graph cursor and the Point inspector.
  • Eight modelled graph lines beside any main measurement: temperature, wind speed, gusts, headwind, precipitation, sea-level pressure, humidity and cloud cover, marked Modelled and credited in the legend.
  • Summaries for the whole recording or the selected section: ranges and time-weighted averages, precipitation shared out by the time spent in each hour, prevailing wind, wind along the direction of travel and the most frequent condition.
  • A temperature recorded by a sensor in the file is shown beside the modelled air temperature, never replaced.

Improvements

  • Answers are cached on the Mac (at most 20 MB): opening the Weather inspector again or working offline shows saved weather without a request; Clear weather cache deletes them.
  • Clear messages for missing timestamps, recordings in the future or before 1940, no data yet for recent days, no connection, timeouts and rate limits.
  • Installer read-me and welcome screens describe Historical Weather and what it sends.

Compatibility

  • Apple silicon edition: macOS 13 and later. Intel edition: built for macOS 10.13 to 12 with the same weather features; its weather code uses only APIs available on macOS 10.13.
  • Historical Weather is not available in the Windows edition or in GPX Viewer Web Lite.

Privacy and legal information

  • Weather is requested only when you press Retrieve. Open-Meteo receives a few places along the route, rounded to about 1 km, and the dates of the recording; never the GPX file, exact times, names or sensor values.
  • Legal notice version 6, privacy and third-party texts describe the weather source, its licence and attribution.

Known limitations

  • Weather values are model estimates for grid cells of about 9 to 25 km and whole hours, not measurements at the track.
  • The most recent days can be missing or provisional until the archive is updated.
  • Uses Open-Meteo's free service for non-commercial use; very heavy use can be rate limited.
  • Not signed with an Apple Developer ID and not notarized.
  • Tested on macOS 27 (Apple silicon; the Intel edition under Rosetta). Historical Weather has not been tested on macOS 10.13 to 12 hardware.

Installing

Open the package for your Mac (Apple menu, About This Mac: "Apple M..." chip means Apple silicon, "Intel" means Intel). The Installer shows the introduction, the read-me and the licence to accept, and installs GPX Viewer in the Applications folder; it replaces an earlier version and keeps your settings, map keys, imported files and caches. The packages are not signed with an Apple Developer ID and not notarized: Control-click the package and choose Open (macOS 15 and later: try once, then System Settings, Privacy and Security, Open Anyway). Compare the SHA-256 checksum with SHA256SUMS.txt.

Weather data

Weather data by Open-Meteo.com (CC BY 4.0), based on data and products of ECMWF; contains modified Copernicus Climate Change Service information. Neither the European Commission nor ECMWF is responsible for any use of this information. Weather values are model estimates, not measurements, and must not be relied on for safety.

Documents

Downloads

Public downloads are on SourceForge: https://sourceforge.net/projects/gpx-viewer/files/macOS/0.3.0/ (this repository is private, so the assets below need a GitHub sign-in). GitHub shows spaces in file names as dots; the files are byte for byte those listed in SHA256SUMS.txt.

Assets 7
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