779
CDUS46 KOTX 210445
CLILWS
CLIMATE REPORT
NATIONAL WEATHER SERVICE SPOKANE WA
945 PM PDT WED MAY 20 2026
...............................
..THE LEWISTON ID AIRPORT CLIMATE SUMMARY FOR MAY 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 74 340 PM 95 2023 73 1 65
MINIMUM 49 534 AM 37 1927 49 0 49
AVERAGE 62 61 1 57
PRECIPITATION (IN)
TODAY 0.00 0.96 2020 0.05 -0.05 T
MONTH TO DATE 0.20 1.06 -0.86 0.51
SINCE OCT 1 11.26 9.41 1.85 8.78
SINCE JAN 1 7.89 5.97 1.92 5.01
DEGREE DAYS
HEATING
TODAY 3 5 -2 8
MONTH TO DATE 75 143 -68 119
SINCE MAR 1 1004 1158 -154 969
SINCE JUL 1 4130 4875 -745 4510
COOLING
TODAY 0 1 -1 0
MONTH TO DATE 14 16 -2 8
SINCE MAR 1 14 18 -4 9
SINCE JAN 1 14 18 -4 9
...............................................................
WIND (MPH)
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NW (320)
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (300)
AVERAGE WIND SPEED 4.8
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED TODAY.
NO SIGNIFICANT WEATHER WAS OBSERVED.
RELATIVE HUMIDITY (PERCENT)
HIGHEST 74 600 AM
LOWEST 26 500 PM
AVERAGE 50
......................................................
THE LEWISTON ID AIRPORT CLIMATE NORMALS FOR TOMORROW
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 97 1928
MINIMUM TEMPERATURE (F) 50 35 1960
1971
2010
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 509 AM PDT SUNSET 821 PM PDT
MAY 21 2026...........SUNRISE 508 AM PDT SUNSET 822 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page