770
CDUS43 KGRR 180620
CLIGRR
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
220 AM EDT TUE AUG 18 2026
...............................
..THE GRAND RAPIDS CLIMATE SUMMARY FOR AUGUST 17 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 80 3:42 PM 98 1988 81 -1 85
MINIMUM 62 11:59 PM 45 1894 61 1 63
1976
AVERAGE 71 71 0 74
PRECIPITATION (IN)
YESTERDAY 0.00 1.94 1995 0.11 -0.11 0.00
MONTH TO DATE 3.55 2.00 1.55 0.50
SINCE JUN 1 8.28 9.80 -1.52 5.70
SINCE JAN 1 27.65 24.82 2.83 17.80
SNOWFALL (IN)
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE JUN 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH MM
DEGREE DAYS
HEATING
YESTERDAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 31 43 -12 22
SINCE JUL 1 1 5 -4 0
COOLING
YESTERDAY 6 6 0 9
MONTH TO DATE 139 122 17 169
SINCE JUN 1 579 523 56 700
SINCE JAN 1 619 574 45 720
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 4 RESULTANT WIND DIRECTION N (350)
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (270)
AVERAGE WIND SPEED 6.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.4
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 2:00 AM
LOWEST 48 3:00 PM
AVERAGE 71
......................................................
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 81 97 1947
MINIMUM TEMPERATURE (F) 61 41 1943
SUNRISE AND SUNSET
AUGUST 18 2026........SUNRISE 6:52 AM EDT SUNSET 8:39 PM EDT
AUGUST 19 2026........SUNRISE 6:53 AM EDT SUNSET 8:38 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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