National Weather Service Wind Chill Chart

 

    New Wind Chill Chart
    Equivalent Temperature oF)
Wind Speed
(mph)		 calm 40 35 30 25 20 15 10 5 0 -5 -10 -15 -20 -25
5 36 31 25 19 13 7 1 -5 -11 -16 -22 -28 -34 -40
10 34 27 21 15 9 3 -4 -10 -16 -22 -28 -35 -41 -47
15 32 25 19 13 6 0 -7 -13 -19 -26 -32 -39 -45 -51
20 30 24 17 11 4 -2 -9 -15 -22 -29 -35 -42 -48 -55
25 29 23 16 9 3 -4 -11 -17 -24 -31 -37 -44 -51 -58
30 28 22 15 8 1 -5 -12 -19 -26 -33 -39 -46 -53 -60
35 28 21 14 7 0 -7 -14 -21 -27 -34 -41 -48 -55 -62
40 27 20 13 6 -1 -8 -15 -22 -29 -36 -43 -50 -57 -64
45 26 19 12 5 -2 -9 -16 -23 -30 -37 -44 -51 -58 -65
"Calm-air" as used in wind chill determinations actually refers to the conditions created by a person
walking briskly (at 4 miles-per-hour) under calm wind conditions.

 

USA.gov is the U.S. government's official web portal to all federal, state and local government web resources and services.