Aviation Digital Data Service (ADDS)

Output produced by METARs form (0534 UTC 21 January 2019)
found at http://www.aviationweather.gov/metar/data/
 
Forecast for: KSFO (SAN FRANCISCO , CA, US)
Text: KSFO 210530Z 2106/2212 26017KT P6SM VCSH FEW025 SCT035 BKN060
Forecast period: 0600 to 1100 UTC 21 January 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the W (260 degrees) at 20 MPH (17 knots; 8.7 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: 6000 feet AGL
Clouds: few clouds at 2500 feet AGL
scattered clouds at 3500 feet AGL
broken clouds at 6000 feet AGL
Weather: VCSH  (showers in vicinity)
Text: FM211100 27015KT P6SM FEW020 SCT040 SCT060
Forecast period: 1100 to 1800 UTC 21 January 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the W (270 degrees) at 17 MPH (15 knots; 7.7 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 2000 feet AGL
scattered clouds at 4000 feet AGL
scattered clouds at 6000 feet AGL
Weather: no significant weather forecast for this period
Text: FM211800 28010KT P6SM FEW020 FEW035 SCT200
Forecast period: 1800 UTC 21 January 2019 to 0100 UTC 22 January 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the W (280 degrees) at 12 MPH (10 knots; 5.1 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 2000 feet AGL
few clouds at 3500 feet AGL
scattered clouds at 20000 feet AGL
Weather: no significant weather forecast for this period
Text: FM220100 30015KT P6SM FEW035 SCT200
Forecast period: 0100 to 0500 UTC 22 January 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the WNW (300 degrees) at 17 MPH (15 knots; 7.7 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 3500 feet AGL
scattered clouds at 20000 feet AGL
Weather: no significant weather forecast for this period
Text: FM220500 29010KT P6SM FEW200
Forecast period: 0500 to 1200 UTC 22 January 2019
Forecast type: FROM: standard forecast or significant change
Winds: from the WNW (290 degrees) at 12 MPH (10 knots; 5.1 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: at least 12,000 feet AGL
Clouds: few clouds at 20000 feet AGL
Weather: no significant weather forecast for this period