369
CDUS43 KDVN 302121
CLIIOW
CLIMATE REPORT
NATIONAL WEATHER SERVICE QUAD CITIES IA IL
421 PM CDT TUE SEP 30 2025
...............................
..THE IOWA CITY IA CLIMATE SUMMARY FOR SEPTEMBER 30 2025
VALID TODAY AS OF 0400 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 9999 TO 9999
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 90 155 PM MM MM 72 18 84
MINIMUM 57 625 AM MM MM 48 9 57
AVERAGE 74 60 14 71
PRECIPITATION (IN)
TODAY 0.00 MM MM 0.10 -0.10 0.00
MONTH TO DATE 1.16 3.24 -2.08 0.03
SINCE SEP 1 1.16 3.24 -2.08 0.03
SINCE JAN 1 22.67 29.08 -6.41 31.90
DEGREE DAYS
HEATING
TODAY 0 6 -6 0
MONTH TO DATE 37 84 -47 18
SINCE SEP 1 37 84 -47 18
SINCE JUL 1 48 90 -42 23
COOLING
TODAY 9 2 7 6
MONTH TO DATE 176 110 66 135
SINCE SEP 1 176 110 66 135
SINCE JAN 1 1188 1029 159 1059
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (70)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (70)
AVERAGE WIND SPEED 2.3
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.1
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 96 400 AM
LOWEST 32 100 PM
AVERAGE 64
......................................................
THE IOWA CITY IA CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 72 MM MM
MINIMUM TEMPERATURE (F) 48 MM MM
SUNRISE AND SUNSET
SEPTEMBER 30 2025.....SUNRISE 702 AM CDT SUNSET 649 PM CDT
OCTOBER 1 2025.......SUNRISE 703 AM CDT SUNSET 647 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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