National Weather Service United States Department of Commerce
Climate/Almanac Data   -    August Normals     -     August Records
 
August
 

 Site
 
(Click site name for report)

Avg
Temp
Normal
1991-2020
Dept
From
Norm
Precip
Total
Normal
1991-2020
Dept
From
Norm
  Burlington 74.2° 73.8° +0.4° 6.76" 3.77" +2.99'
  Cedar Rapids 72.3° 70.8° +1.5° 4.22" 4.07" +0.15"
  Davenport 72.3° 71.7° +0.6° 4.95" 3.96" +0.99'
  Dubuque 70.7° 69.8° +0.9° 1.59" 3.95" -2.36"
  Iowa City 74.5° 73.5° +1.0° 3.81" 3.94" -0.13"
  Moline 73.5° 73.4° +0.1° 4.84" 3.97" +0.87'
The ranking is listed in parentheses (__) when within the "Top 10".
 
   August 2026 temperatures were 0.1 to 1.5 above normal.
   Precipitation totals were 0.15 to 2.99 inches above normal with the exception of Dubuque and Iowa City which were below normal.
   Please see August Records for monthly record information.  Also see our new climate graphs and charts for some slick visuals!
 
 
The climate maps below are courtesy of the High Plains Climate Center
These maps become available around 10am on the first of the month.
 
Average
Temperature
Average
Temperature
Departure from Mean
Accumulated
Precipitation
Accumulated
Precipitation
Percent of Mean
NA NA NA NA
 
 
 
 
Climate/Almanac Data   -   Summer Normals     -     Summer Records
 
Summer
(Jun-Aug)
 

 Site
 (Click site name for report courtesy of the
   Iowa Environmental Mesonet.)

Average
Temperature
Normal
1991-2020
Departure
From
Norm
al
Precipitation
Total
Normal
1991-2020
Departure
From
Norm
al
  Burlington 74.2° 73.9° +0.3° 17.69" 12.66" +5.03"
  Cedar Rapids 72.8° 71.1° +1.7° 18.49" 14.04" +4.45"
  Davenport 72.6° 72.2° +0.4° 17.99" 12.76" +5.23"
  Dubuque 71.8° 70.0° +1.8° 16.63" 13.94" +2.69"
  Iowa City 74.9° 73.9° +1.0° 18.53" 13.14" +5.39"
  Moline 73.6° 73.7° -0.1° 16.13" 13.21" +2.92"
The ranking is listed in parentheses (__) when within the "Top 10".
 
   Summer 2026 temperatures were 0.3 to 1.8 degrees above normal. The exception was Moline which was 0.1 degrees below normal.
   Precipitation totals were 2.9 to 5.2 inches above normal.
   Please see Summer Records for seasonal record information.
 
 
The climate maps below are courtesy of the High Plains Climate Center
The maps below will be updated by late morning on the first of the month.
 
Average
Temperature
Average
Temperature
Departure from Mean
Accumulated
Precipitation
Accumulated
Precipitation
Percent of Mean
   
NA NA NA NA    
 
 
A LOOK AHEAD
 
Climate Prediction Center
 
September
Temperature Outlook
September
Precipitation Outlook
September - November
Temperature Outlook
September - November
Precipitation Outlook
NA NA NA NA