330
CDUS43 KGRR 182126
CLIGRR
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
526 PM EDT THU SEP 18 2025
...............................
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 18 2025
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1892 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 87 3:44 PM 94 1906 73 14 83
MINIMUM 57 6:20 AM 35 1973 52 5 53
AVERAGE 72 63 9 68
PRECIPITATION (IN)
TODAY 0.00 0.86 1911 0.12 -0.12 0.00
MONTH TO DATE 0.62 1.97 -1.35 0.26
SINCE SEP 1 0.62 1.97 -1.35 0.26
SINCE JAN 1 19.55 28.34 -8.79 28.02
SNOWFALL (IN)
TODAY 0.0 0.0 MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE SEP 1 0.0 0.0 0.0 0.0
SINCE JUL 1 0.0 0.0 0.0 0.0
SNOW DEPTH 0
DEGREE DAYS
HEATING
TODAY 0 4 -4 0
MONTH TO DATE 57 43 14 30
SINCE SEP 1 57 43 14 30
SINCE JUL 1 88 60 28 45
COOLING
TODAY 7 2 5 3
MONTH TO DATE 33 56 -23 61
SINCE SEP 1 33 56 -23 61
SINCE JAN 1 786 708 78 715
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 1 RESULTANT WIND DIRECTION SW (230)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION W (280)
HIGHEST GUST SPEED 15 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 3.1
SKY COVER
AVERAGE SKY COVER 0.2
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 3:00 AM
LOWEST 37 2:00 PM
AVERAGE 65
......................................................
THE GRAND RAPIDS CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 73 91 1908
MINIMUM TEMPERATURE (F) 52 36 1929
1979
2020
SUNRISE AND SUNSET
SEPTEMBER 18 2025.....SUNRISE 7:25 AM EDT SUNSET 7:46 PM EDT
SEPTEMBER 19 2025.....SUNRISE 7:26 AM EDT SUNSET 7:44 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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