Download older observations

Use Download Older Observations when recent data exists but earlier months or years are missing.

On iPhone and iPad, open Settings › Manage Data, then choose Download Older Observations in Downloads. Compact layouts also provide this action from the Manage Data icon in the Station tab.
On macOS, choose Data › Download Older Observations.

Weather Fusion continues the provider’s supported historical backfill from the oldest known coverage. Keep the app active while the task runs.

Provider history depth, account access, and rate limits determine how far the download can go. If the provider reports a retry time, let the task stop and retry later instead of repeatedly restarting it.

For Airport (METAR), automatic history downloads stop at the last 10 calendar years. Use this command to retrieve earlier records when the airport has an older archive. Check Provider Details › Historical Reports in station details for availability. See How Weather Fusion gets data for archive coverage limits.

Inspect the recovered range in Observations. If only gaps between existing rows are missing, use Fill gaps in historical data instead.