CLOUD COVER
These symbols show what fraction of the sky is cloudy.
Clear
One quarter
One half
Three quarters
Completely overcast
WIND SPEED/DIRECTION
These symbols show the wind speed, in knots*, and direction. The flag-like symbol is called the wind barb, and points in the direction from which the wind is blowing. (Cloud cover is shown in the circle.) The wind speed is indicated by the markings on the wind barb. See if you can find a pattern.
Calm wind
5 knots
10 knots
15 knots
20 knots
50 knots
60 knots

Footnotes:
* 1 knot = 1.15 miles per hour