Climatological Report (Monthly)
Issued by NWS Portland, OR
Issued by NWS Portland, OR
448
CXUS56 KPQR 011624
CLMPDX
CLIMATE REPORT
NATIONAL WEATHER SERVICE PORTLAND OREGON
924 AM PDT MON SEP 01 2025
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...THE PORTLAND OR CLIMATE SUMMARY FOR THE MONTH OF AUGUST 2025...
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1940 TO 2025
WEATHER OBSERVED NORMAL DEPART LAST YEAR`S
VALUE DATE(S) VALUE FROM VALUE DATE(S)
NORMAL
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TEMPERATURE (F)
HIGHEST 102 99 08/01
08/31
LOWEST 54 53 08/28
AVG. MAXIMUM 84.9 82.3 2.6 83.2
AVG. MINIMUM 62.4 58.9 3.5 60.4
MEAN 73.6 70.6 3.0 71.8
DAYS MAX >= 90 7 5.3 1.7 7
DAYS MAX <= 32 0 0.0 0.0 0
DAYS MIN <= 32 0 0.0 0.0 0
DAYS MIN <= 0 0 0.0 0.0 0
PRECIPITATION (INCHES)
RECORD
MAXIMUM 4.53 1968
MINIMUM T 2022
TOTALS 0.59 0.54 0.05 0.60
DAYS >= .01 4 3.6 0.4 4
DAYS >= .10 2 1.6 0.4 2
DAYS >= .50 0 0.2 -0.2 0
DAYS >= 1.00 0 0.0 0.0 0
GREATEST
24 HR. TOTAL 0.43 08/06 TO 08/06
SNOWFALL (INCHES)
TOTALS 0.0
SINCE 7/1 0.0
DEGREE DAYS
HEATING TOTAL 0 7 -7 4
SINCE 7/1 2 12 -10 MM
COOLING TOTAL 277 181 96 224
SINCE 1/1 592 431 161 MM
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WIND (MPH)
AVERAGE WIND SPEED 5.5
RESULTANT WIND SPEED/DIRECTION 3/320
HIGHEST WIND SPEED/DIRECTION 20/190 DATE 08/15
HIGHEST GUST SPEED/DIRECTION 29/200 DATE 08/15
SKY COVER
POSSIBLE SUNSHINE (PERCENT) MM
AVERAGE SKY COVER 0.45
NUMBER OF DAYS FAIR 11
NUMBER OF DAYS PC 11
NUMBER OF DAYS CLOUDY 9
AVERAGE RH (PERCENT) 59
WEATHER CONDITIONS. NUMBER OF DAYS WITH
THUNDERSTORM 1 MIXED PRECIP 0
HEAVY RAIN 1 RAIN 1
LIGHT RAIN 6 FREEZING RAIN 0
LT FREEZING RAIN 0 HAIL 0
HEAVY SNOW 0 SNOW 0
LIGHT SNOW 0 SLEET 0
FOG 5 FOG W/VIS <= 1/4 MILE 0
HAZE 4
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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