644
CDUS43 KGRR 210638
CLIGRR
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
238 AM EDT SUN SEP 21 2025
...............................
..THE GRAND RAPIDS CLIMATE SUMMARY FOR SEPTEMBER 20 2025
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)
YESTERDAY
MAXIMUM 82 4:44 PM 90 1931 72 10 85
MINIMUM 57 7:08 AM 33 1956 51 6 62
AVERAGE 70 62 8 74
PRECIPITATION (IN)
YESTERDAY 0.62 2.72 2018 0.13 0.49 0.09
MONTH TO DATE 1.24 2.22 -0.98 0.35
SINCE SEP 1 1.24 2.22 -0.98 0.35
SINCE JAN 1 20.17 28.59 -8.42 28.11
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 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
YESTERDAY 0 5 -5 0
MONTH TO DATE 57 53 4 30
SINCE SEP 1 57 53 4 30
SINCE JUL 1 88 70 18 45
COOLING
YESTERDAY 5 2 3 9
MONTH TO DATE 46 60 -14 77
SINCE SEP 1 46 60 -14 77
SINCE JAN 1 799 712 87 731
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 8 RESULTANT WIND DIRECTION E (90)
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SW (240)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (250)
AVERAGE WIND SPEED 10.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.7
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
THUNDERSTORM
RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 97 9:00 PM
LOWEST 49 4:00 PM
AVERAGE 73
......................................................
THE GRAND RAPIDS CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 95 2017
MINIMUM TEMPERATURE (F) 51 32 1962
SUNRISE AND SUNSET
SEPTEMBER 21 2025.....SUNRISE 7:29 AM EDT SUNSET 7:41 PM EDT
SEPTEMBER 22 2025.....SUNRISE 7:30 AM EDT SUNSET 7:39 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page