weather · the model over the view
Dew point
Dew point 2 m above the ground as a field: the temperature the air must cool to before it condenses, so a direct measure of how much water it holds.
What it shows
Dew point 2 m above the ground as a field: the temperature the air must cool to before it condenses, so a direct measure of how much water it holds. Over 20 °C nights feel sticky, over 24 °C oppressive; the readout also gives the relative humidity.
Where the data comes from
NOAA GFS 0.25° global model (public domain), baked on our server every hour from 24 h ago to 48 h ahead in 3-hour steps; values between grid points are interpolated.
Reading the map
Brown for very dry air (−30 °C and under), pale green around 10 °C, teal at 16 °C, blue at 20 °C, violet and magenta from 24 °C.
Units Degrees Celsius or Fahrenheit; relative humidity in percent.
Put this map on your site
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