Aviation Digital Data Service (ADDS)

Output produced by METARs form (1946 UTC 14 December 2018)
found at http://www.aviationweather.gov/metar/data/
 
Forecast for: KSFO (SAN FRANCISCO , CA, US)
Text: KSFO 141737Z 1418/1524 19014KT P6SM FEW015 BKN040 OVC180
Forecast period: 1800 to 2200 UTC 14 December 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the S (190 degrees) at 16 MPH (14 knots; 7.2 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: 4000 feet AGL
Clouds: few clouds at 1500 feet AGL
broken clouds at 4000 feet AGL
overcast cloud deck at 18000 feet AGL
Weather: no significant weather forecast for this period
Text: FM142200 19017G22KT P6SM VCSH BKN030 OVC040
Forecast period: 2200 UTC 14 December 2018 to 0000 UTC 15 December 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the S (190 degrees) at 20 MPH (17 knots; 8.7 m/s)
gusting to 25 MPH (22 knots; 11.3 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: 3000 feet AGL
Clouds: broken clouds at 3000 feet AGL
overcast cloud deck at 4000 feet AGL
Weather: VCSH  (showers in vicinity)
Text: FM150000 19009KT 6SM -RA BR OVC030
Forecast period: 0000 to 0400 UTC 15 December 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the S (190 degrees) at 10 MPH (9 knots; 4.6 m/s)
Visibility: 6 miles (10 km)
Ceiling: 3000 feet AGL
Clouds: overcast cloud deck at 3000 feet AGL
Weather: -RA BR  (light rain, mist)
Text: FM150400 15005KT 6SM BR BKN035
Forecast period: 0400 to 0800 UTC 15 December 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the SSE (150 degrees) at 6 MPH (5 knots; 2.6 m/s)
Visibility: 6 miles (10 km)
Ceiling: 3500 feet AGL
Clouds: broken clouds at 3500 feet AGL
Weather: BR  (mist)
Text: FM150800 13003KT P6SM BKN030
Forecast period: 0800 to 1800 UTC 15 December 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the SE (130 degrees) at 3 MPH (3 knots; 1.5 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: 3000 feet AGL
Clouds: broken clouds at 3000 feet AGL
Weather: no significant weather forecast for this period
Text: FM151800 15007KT P6SM FEW025 BKN035
Forecast period: 1800 UTC 15 December 2018 to 0000 UTC 16 December 2018
Forecast type: FROM: standard forecast or significant change
Winds: from the SSE (150 degrees) at 8 MPH (7 knots; 3.6 m/s)
Visibility: 6 or more miles 10+ km)
Ceiling: 3500 feet AGL
Clouds: few clouds at 2500 feet AGL
broken clouds at 3500 feet AGL
Weather: no significant weather forecast for this period