100
CDUS43 KGRR 152127
CLIMKG
CLIMATE REPORT
NATIONAL WEATHER SERVICE GRAND RAPIDS, MICHIGAN
527 PM EDT TUE SEP 15 2026
...............................
..THE MUSKEGON CLIMATE SUMMARY FOR SEPTEMBER 15 2026
VALID TODAY AS OF 0500 PM LOCAL TIME.
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1896 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 73 3:32 PM 89 2024 74 -1 86
MINIMUM 61 5:28 AM 38 1964 54 7 56
AVERAGE 67 64 3 71
PRECIPITATION (IN)
TODAY 0.59 1.88 1970 0.11 0.48 0.00
MONTH TO DATE 2.00 1.58 0.42 0.41
SINCE SEP 1 2.00 1.58 0.42 0.41
SINCE JAN 1 32.36 24.26 8.10 19.40
SNOWFALL (IN)
TODAY 0.0 MM 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 12 32 -20 60
SINCE SEP 1 12 32 -20 60
SINCE JUL 1 22 54 -32 100
COOLING
TODAY 2 2 0 6
MONTH TO DATE 75 48 27 17
SINCE SEP 1 75 48 27 17
SINCE JAN 1 650 621 29 694
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 11 RESULTANT WIND DIRECTION S (170)
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION N (350)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION N (350)
AVERAGE WIND SPEED 11.7
SKY COVER
AVERAGE SKY COVER 0.9
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
HEAVY RAIN
LIGHT RAIN
FOG
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 PM
LOWEST 60 3:00 AM
AVERAGE 77
......................................................
THE MUSKEGON CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 90 2024
MINIMUM TEMPERATURE (F) 53 31 1929
SUNRISE AND SUNSET
SEPTEMBER 15 2026.....SUNRISE 7:25 AM EDT SUNSET 7:55 PM EDT
SEPTEMBER 16 2026.....SUNRISE 7:26 AM EDT SUNSET 7:53 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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