339
CDUS46 KOTX 210445
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
945 PM PDT THU AUG 20 2026
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR AUGUST 20 2026
VALID TODAY AS OF 0900 PM LOCAL TIME.
CLIMATE NORMAL PERIOD 1991 TO 2020
CLIMATE RECORD PERIOD 1881 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
TODAY
MAXIMUM 99 411 PM 111 1897 89 10 90
MINIMUM 60 440 AM 41 1945 60 0 63
AVERAGE 80 74 6 77
PRECIPITATION (IN)
TODAY 0.00 0.96 1959 0.02 -0.02 0.00
MONTH TO DATE 0.07 0.31 -0.24 0.19
SINCE OCT 1 12.44 12.07 0.37 9.12
SINCE JAN 1 9.07 8.63 0.44 5.35
DEGREE DAYS
HEATING
TODAY 0 0 0 0
MONTH TO DATE 0 0 0 0
SINCE JUN 1 34 66 -32 15
SINCE JUL 1 0 5 -5 0
COOLING
TODAY 15 10 5 12
MONTH TO DATE 230 234 -4 235
SINCE JUN 1 720 682 38 881
SINCE JAN 1 755 718 37 933
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WIND (MPH)
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION W (280)
AVERAGE WIND SPEED 3.9
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.0
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 42 700 AM
LOWEST 11 400 PM
AVERAGE 27
......................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 89 110 1897
MINIMUM TEMPERATURE (F) 59 45 1945
SUNRISE AND SUNSET
AUGUST 20 2026........SUNRISE 553 AM PDT SUNSET 749 PM PDT
AUGUST 21 2026........SUNRISE 555 AM PDT SUNSET 747 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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