Arlington Heights, Illinois
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 13° 28° -26° (1985) 62° (1967) 1.9" 11.6"
February 17° 33° -21° (1977) 69° (2000) 1.97" 7.3"
March 26° 44° -9° (2002) 83° (1986) 2.29" 3.8"
April 38° 57° 5° (1982) 89° (1980) 3.56" 0.7"
May 48° 68° 22° (1966) 93° (1975) 4.24" 0"
June 58° 78° 35° (1993) 102° (1971) 3.85" 0"
July 63° 82° 38° (1965) 103° (1974) 3.78" 0"
August 61° 79° 38° (1986) 100° (1991) 4.86" 0"
September 52° 72° 25° (1964) 96° (1978) 3.4" 0"
October 41° 60° 14° (1988) 88° (1971) 3.1" 0.1"
November 30° 47° -10° (1976) 75° (1968) 3.04" 1.4"
December 18° 33° -20° (1983) 66° (1982) 2.26" 10"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
Mar 1 21° 38° -2° (1980) 64° (2000) 0.07" 0.2"
Mar 2 22° 39° -3° (1980) 65° (1992) 0.07" 0.2"
Mar 3 22° 39° 3° (2003) 67° (1983) 0.07" 0.1"
Mar 4 22° 39° -9° (2002) 72° (1983) 0.07" 0.2"
Mar 5 23° 40° -9° (2002) 70° (1983) 0.07" 0.2"
Mar 6 23° 40° -3° (1982) 73° (1983) 0.07" 0.2"
Mar 7 23° 40° 0° (1982) 69° (1983) 0.07" 0.1"
Mar 8 24° 41° -8° (1982) 78° (2000) 0.07" 0.2"
Mar 9 24° 41° -4° (1984) 76° (2000) 0.07" 0.1"
Mar 10 24° 42° -4° (2003) 65° (1977) 0.07" 0.2"
Mar 11 25° 42° 0° (2003) 65° (1972) 0.07" 0.1"
Mar 12 25° 42° 5° (1969) 73° (1990) 0.06" 0.2"
Mar 13 25° 43° 7° (2005) 77° (1990) 0.07" 0.1"
Mar 14 26° 43° 7° (1993) 71° (1990) 0.06" 0.2"
Mar 15 26° 44° 7° (1993) 71° (1990) 0.07" 0.1"
Mar 16 26° 44° 11° (1979) 66° (1977) 0.07" 0.1"
Mar 17 27° 44° 12° (1976) 74° (1966) 0.07" 0.2"
Mar 18 27° 45° 7° (1964) 74° (1966) 0.07" 0.1"
Mar 19 27° 45° 2° (1965) 71° (1969) 0.08" 0.1"
Mar 20 28° 46° -3° (1965) 72° (1976) 0.07" 0.1"
Mar 21 28° 46° 2° (1965) 67° (1976) 0.08" 0.1"
Mar 22 29° 46° 10° (1965) 64° (2007) 0.08" 0.1"
Mar 23 29° 47° 12° (1983) 70° (1963) 0.08" 0.1"
Mar 24 29° 47° 0° (1965) 70° (1963) 0.07" 0.1"
Mar 25 30° 48° 3° (1974) 71° (2003) 0.08" 0"
Mar 26 30° 48° 13° (1974) 77° (2007) 0.08" 0.1"
Mar 27 30° 48° -3° (1965) 78° (2007) 0.08" 0"
Mar 28 31° 49° 9° (1970) 77° (1989) 0.08" 0.1"
Mar 29 31° 49° 10° (1970) 77° (1968) 0.09" 0.1"
Mar 30 31° 50° 7° (1969) 83° (1986) 0.09" 0"
Mar 31 32° 50° 9° (1969) 77° (1986) 0.09" 0.1"
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