Idaho Falls August 15 Weather Records

Daily averages and all-time records for weather in Idaho Falls, Idaho for the date of August 15.
August 15 All-Time Records
1948–2023
Highest temperature 98 °F 2003
Lowest temperature 38 °F 2005
Lowest daily high 61 °F 1968
Highest daily low 63 °F 2003
Most precipitation 0.75 inches 1980
August 15 Average Weather
1991–2020 1
Average high 86.1 °F
Average low 48.0 °F
Chance precipitation 15.4%
Idaho Falls August 15 Weather by Year
Year High (°F) Low (°F) Precip. (inches) Snow (inches)
2023 96 51 0.00 n/a
2022 94 52 0.00 n/a
2021 91 51 0.00 n/a
2020 87 42 0.00 n/a
2019 88 46 0.00 n/a
2018 89 44 0.00 n/a
2017 78 46 0.00 n/a
2016 93 48 0.00 n/a
2015 83 59 0.00 n/a
2014 84 56 0.11 n/a
2013 n/a n/a n/a n/a
2012 89 48 0.00 n/a
2011 81 54 0.00 n/a
2010 87 46 0.00 n/a
2009 70 46 0.00 n/a
2008 82 46 0.00 n/a
2007 92 49 0.00 n/a
2006 85 52 0.04 n/a
2005 87 38 0.00 n/a
2004 88 54 0.00 n/a
2003 98 63 0.10 n/a
2002 87 42 0.00 n/a
2001 86 52 0.02 n/a
2000 91 45 0.00 n/a
1999 75 50 0.00 n/a
1998 89 48 0.00 n/a
1997 n/a n/a n/a n/a
1996 n/a n/a n/a n/a
1995 n/a n/a n/a n/a
1994 n/a n/a n/a n/a
1993 84 45 0.00 0.0
1992 82 50 0.00 0.0
1991 79 58 0.09 0.0
1990 90 53 0.00 0.0
1989 86 47 0.00 0.0
1988 90 41 0.00 0.0
1987 71 48 0.02 0.0
1986 91 46 0.00 0.0
1985 84 42 0.00 0.0
1984 85 55 0.00 0.0
1983 81 62 0.08 0.0
1982 91 48 0.00 0.0
1981 90 49 0.00 0.0
1980 65 54 0.75 0.0
1979 75 54 0.00 0.0
1978 77 39 0.00 0.0
1977 90 50 0.00 0.0
1976 64 48 0.12 0.0
1975 77 52 0.02 0.0
1974 78 39 0.00 0.0
1973 93 48 0.00 0.0
1972 81 55 0.10 0.0
1971 92 55 0.00 0.0
1970 90 44 0.00 0.0
1969 93 51 0.00 0.0
1968 61 47 0.00 0.0
1967 92 49 0.00 0.0
1966 88 50 0.00 0.0
1965 76 50 0.00 0.0
1964 86 41 0.00 0.0
1963 91 56 0.00 0.0
1962 94 47 0.00 0.0
1961 93 51 0.00 0.0
1960 81 54 0.00 0.0
1959 85 48 0.00 0.0
1958 92 60 0.05 0.0
1957 86 52 0.00 0.0
1956 90 56 0.09 0.0
1955 86 50 0.00 0.0
1954 84 46 0.00 0.0
1953 86 54 0.00 0.0
1952 87 47 0.00 0.0
1951 85 44 0.00 0.0
1950 86 46 0.00 0.0
1949 90 47 0.00 0.0
1948 90 47 0.00 0.0
What's the all-time high for Idaho Falls on 8/15?
For the date of Aug 15, the highest temperature ever reached in Idaho Falls history is 98 °F which happened in 2003.
Highest Temperatures in Idaho Falls on August 15
Rank Temperature Year
1 98 °F 2003
2 96 °F 2023
3 94 °F 1962
3 94 °F 2022
5 93 °F 1969
5 93 °F 1973
5 93 °F 2016
5 93 °F 1961
9 92 °F 1958
9 92 °F 1967
9 92 °F 1971
9 92 °F 2007
What's the all-time low for Idaho Falls on 8/15?
For the date of Aug 15, the lowest temperature ever reached in Idaho Falls history is 38 °F which happened in 2005.
Lowest Temperatures in Idaho Falls on August 15
Rank Temperature Year
1 38 °F 2005
2 39 °F 1974
2 39 °F 1978
4 41 °F 1964
4 41 °F 1988
6 42 °F 1985
6 42 °F 2002
6 42 °F 2020
9 44 °F 2018
9 44 °F 1970
9 44 °F 1951
Lowest High Temperatures in Idaho Falls on August 15
Rank Temperature Year
1 61 °F 1968
2 64 °F 1976
3 65 °F 1980
4 70 °F 2009
5 71 °F 1987
6 75 °F 1999
6 75 °F 1979
8 76 °F 1965
9 77 °F 1978
9 77 °F 1975
What's the most it has ever rained in Idaho Falls on 8/15?
For the date of Aug 15, the most precipitation ever recorded in Idaho Falls history is 0.75 inches which happened in 1980.
All-Time Most Precipitation in Idaho Falls on August 15
Rank Precipitation Year
1 0.75 inches 1980
2 0.12 inches 1976
3 0.11 inches 2014
4 0.10 inches 1972
4 0.10 inches 2003
6 0.09 inches 1956
6 0.09 inches 1991
8 0.08 inches 1983
9 0.05 inches 1958
10 0.04 inches 2006
Weather Station Details
Years Station Coordinates
1948–2023 Idaho Falls Fanning Field location