Climatological Report (Daily)
Issued by NWS Detroit/Pontiac, MI
Issued by NWS Detroit/Pontiac, MI
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CDUS43 KDTX 212030
CLIDTW
CLIMATE REPORT
NATIONAL WEATHER SERVICE DETROIT/PONTIAC MI
430 PM EDT MON JUL 21 2025
...................................
...THE DETROIT MI CLIMATE SUMMARY FOR JULY 21 2025...
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1874 TO 2025
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...................................................................
TEMPERATURE (F)
TODAY
MAXIMUM 79 224 PM 100 2011 84 -5 83
MINIMUM 61 543 AM 50 1970 65 -4 63
AVERAGE 70 74 -4 73
PRECIPITATION (IN)
TODAY 0.00 1.19 1899 0.12 -0.12 0.00
MONTH TO DATE 2.03 2.33 -0.30 1.97
SINCE JUN 1 5.72 5.59 0.13 5.80
SINCE JAN 1 16.96 19.31 -2.35 20.02
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 JUN 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 0 0 0
MONTH TO DATE 0 0 0 1
SINCE JUN 1 14 28 -14 10
SINCE JUL 1 0 0 0 1
COOLING
TODAY 5 9 -4 8
MONTH TO DATE 230 188 42 183
SINCE JUN 1 466 364 102 410
SINCE JAN 1 491 419 72 501
...................................................................
WIND (MPH)
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (40)
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (50)
AVERAGE WIND SPEED 4.7
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.5
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 87 300 AM
LOWEST 45 200 PM
AVERAGE 66
..........................................................
THE DETROIT MI CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 84 96 1940
MINIMUM TEMPERATURE (F) 65 49 1970
SUNRISE AND SUNSET
JULY 21 2025..........SUNRISE 616 AM EDT SUNSET 903 PM EDT
JULY 22 2025..........SUNRISE 617 AM EDT SUNSET 902 PM EDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
$$