Fog forecast

4070 Pro · 7 days free

See fog hour by hour, a week out, on a map

These pages show the next three days. 4070 adds hour-by-hour fog chances and when fog is forecast to clear, days 4 through 7, a map of every place for any day this week, the fog and low clouds radar layer, and the marine layer for coastal West Coast places.

• Fog Forecast

  Seven days of fog chances for places across the US, a national map by day, and hour-by-hour detail for each place.

• Fog and low clouds on radar

  A radar layer for fog and low clouds, with the latest model view of fog right now and forecast frames for the hours ahead.

• Marine layer

  For coastal West Coast places, a chart of how deep the marine layer is hour by hour, and in the San Francisco Bay Area a 3D view of the fog deck over the terrain.

• Meteograms

  Hourly temperature, dewpoint, precipitation and wind at a point. When the temperature and dewpoint meet, fog is possible.

7 days free, then $14.95 a month.