Records for Boulder, CO 80305
Record highs, lows and rain · Boulder · 134 years of record
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Which records has Boulder, CO broken?
| Aug 28, 2026 | Record high | 97° | 95° in 1984 | +2° |
| Aug 21, 2026 | Record high | 101° | 98° in 2023 | +2.9° |
| Aug 10, 2026 | Record high | 97° | 95° in 1995 | +2° |
| Aug 8, 2026 | Record high | 101° | 99° in 2025 | +2° |
| Aug 6, 2026 | Record low | 48° | 51° in 1998 | +3.1° |
| Aug 5, 2026 | Record low | 46° | 48° in 1990 | +2° |
| Aug 3, 2026 | All-time high All-time | 104° | 102° in 2012 | +2° |
| Aug 3, 2026 | Record high | 104° | 97° in 1979 | +7° |
| Aug 2, 2026 | Record high | 101° | 99° in 2008 | +2° |
| Jul 26, 2026 | Record high | 102° | 97° in 1995 | +5° |
| Jul 25, 2026 | Record high | 100° | 98° in 1978 | +2° |
| Jul 20, 2026 | Record high | 101° | 100° in 1998 | +0.9° |
| May 11, 2026 | Record high | 88° | 87° in 2022 | +0.9° |
| Mar 30, 2026 | Record high | 81° | 79° in 1986 | +2° |
| Mar 29, 2026 | Record high | 82° | 78° in 1986 | +4° |
| Mar 28, 2026 | Record high | 80° | 78° in 1986 | +2° |
| Mar 26, 2026 | Record high | 84° | 79° in 1971 | +5° |
| Mar 25, 2026 | Record high | 87° | 78° in 1985 | +9° |
| Mar 24, 2026 | Record high | 79° | 76° in 1998 | +3.1° |
| Mar 22, 2026 | Record high | 85° | 77° in 2004 | +7.9° |
| Mar 21, 2026 | Record high | 89° | 76° in 1995 | +13.1° |
| Mar 20, 2026 | Record high | 86° | 80° in 1997 | +5.9° |
| Mar 19, 2026 | Record high | 85° | 78° in 2017 | +6.8° |
| Mar 18, 2026 | Record high | 81° | 80° in 2017 | +0.9° |
| Mar 16, 2026 | Record low | 17° | 18° in 1978 | +0.9° |
| Mar 2, 2026 | Record high | 73° | 72° in 2009 | +1.1° |
| Feb 15, 2026 | Record high | 68° | 67° in 1982 | +1.1° |
| Feb 8, 2026 | Record high | 66° | 65° in 2006 | +1.1° |
| Jan 25, 2026 | Record low | 5° | 7° in 1996 | +2° |
| Jan 24, 2026 | Record low | 0° | 5° in 1991 | +5° |
| Jan 4, 2026 | Record high | 70° | 65° in 2001 | +5° |
| Dec 25, 2025 | Record high | 70° | 68° in 2005 | +2° |
| Dec 24, 2025 | Record high | 71° | 60° in 1999 | +11° |
| Dec 23, 2025 | Record high | 65° | 63° in 1971 | +2° |
| Dec 22, 2025 | Record high | 72° | 64° in 2019 | +7.9° |
| Dec 19, 2025 | Record high | 70° | 69° in 1979 | +0.9° |
| Dec 14, 2025 | Record high | 65° | 64° in 1980 | +0.9° |
| Nov 14, 2025 | Record high | 78° | 77° in 1990 | +1.1° |
| Nov 2, 2025 | Record high | 81° | 78° in 2005 | +2.9° |
| Oct 3, 2025 | Record high | 86° | 85° in 2012 | +1.1° |
| Aug 13, 2025 | Record high | 100° | 97° in 2007 | +3.1° |
| Aug 8, 2025 | Record high | 99° | 97° in 1995 | +2° |
| Aug 7, 2025 | Record high | 100° | 99° in 1975 | +1.1° |
| Aug 5, 2025 | Record high | 99° | 98° in 1979 | +0.9° |
| Aug 2, 2025 | Record low | 48° | 49° in 1995 | +0.9° |
| Jul 28, 2025 | Record high | 99° | 97° in 1979 | +2° |
| Jul 9, 2025 | Record high | 101° | 99° in 1976 | +2° |
| Jun 20, 2025 | Record high | 98° | 97° in 2017 | +1.1° |
| Apr 12, 2025 | Record high | 85° | 82° in 2023 | +2.9° |
| Feb 13, 2025 | Record low | -5° | -3° in 2021 | +2.2° |
| Feb 3, 2025 | Record high | 73° | 65° in 2021 | +8.1° |
| Jan 21, 2025 | Record low | -9° | 6° in 1991 | +15.1° |
| Oct 28, 2024 | Record high | 81° | 80° in 2016 | +0.9° |
| Oct 5, 2024 | Record high | 87° | 85° in 2020 | +2.2° |
| Sep 26, 2024 | Record high | 92° | 90° in 2021 | +2° |
| Aug 4, 2024 | Record high | 96° | 95° in 1979 | +1.1° |
| Jul 30, 2024 | Record high | 99° | 98° in 2001 | +0.9° |
| Jul 14, 2024 | Record high | 98° | 97° in 2002 | +1.1° |
| Jun 13, 2024 | Record high | 99° | 96° in 2006 | +2.9° |
| Jan 16, 2024 | Record low | -14° | -1° in 1977 | +13.1° |
| Jan 15, 2024 | Record low | -11° | -8° in 1972 | +3.1° |
| Nov 5, 2023 | Record high | 78° | 77° in 2009 | +1.1° |
| Oct 20, 2023 | Record high | 87° | 82° in 2022 | +5° |
| Aug 21, 2023 | Record high | 98° | 96° in 2007 | +2° |
| Apr 23, 2023 | Record low | 19° | 20° in 2013 | +0.9° |
| Apr 22, 2023 | Record low | 24° | 25° in 2013 | +0.9° |
| Apr 12, 2023 | Record high | 82° | 77° in 1998 | +5° |
| Apr 11, 2023 | Record high | 84° | 81° in 1982 | +3.1° |
| Apr 5, 2023 | Record low | 8° | 15° in 2009 | +7° |
| Feb 24, 2023 | Record low | -5° | -4° in 2003 | +1.1° |
| Feb 23, 2023 | Record low | -13° | -4° in 2022 | +9° |
| Jan 30, 2023 | Record low | -7° | -3° in 1979 | +4.1° |
| Dec 23, 2022 | Record low | -14° | -13° in 1990 | +1.1° |
| Nov 19, 2022 | Record low | 5° | 9° in 1985 | +4° |
| Oct 20, 2022 | Record high | 82° | 79° in 2012 | +3.1° |
| Sep 8, 2022 | Record high | 97° | 92° in 1977 | +5° |
| Sep 7, 2022 | Record high | 95° | 93° in 1983 | +2° |
| Sep 4, 2022 | Record high | 95° | 94° in 1995 | +1.1° |
| Jun 12, 2022 | Record high | 96° | 94° in 1981 | +2.2° |
| Jun 11, 2022 | Record high | 99° | 98° in 2013 | +0.9° |
| May 25, 2022 | Record low | 34° | 37° in 2020 | +3.1° |
| May 22, 2022 | Record low | 30° | 32° in 2019 | +2° |
| May 11, 2022 | Record high | 87° | 84° in 1991 | +3.1° |
| May 7, 2022 | Record high | 86° | 85° in 2011 | +1.1° |
| Apr 22, 2022 | Record high | 85° | 84° in 1989 | +0.9° |
| Apr 19, 2022 | Record high | 82° | 81° in 1980 | +1.1° |
| Apr 13, 2022 | Record low | 12° | 15° in 1997 | +3.1° |
| Mar 11, 2022 | Record low | 2° | 3° in 1998 | +1.1° |
| Mar 10, 2022 | Record low | 2° | 13° in 1992 | +11° |
| Mar 7, 2022 | Record low | 5° | 6° in 1971 | +1.1° |
| Feb 23, 2022 | Record low | -4° | 5° in 2015 | +9° |
| Feb 22, 2022 | Record low | -2° | 6° in 1971 | +8.1° |
| Dec 2, 2021 | Record high | 72° | 68° in 1998 | +4° |
| Dec 1, 2021 | Record high | 72° | 69° in 1995 | +2.9° |
| Nov 29, 2021 | Record high | 74° | 69° in 2003 | +4.9° |
| Oct 30, 2021 | Record high | 76° | 75° in 2007 | +0.9° |
| Sep 26, 2021 | Record high | 90° | 89° in 2001 | +0.9° |
| Sep 18, 2021 | Record high | 91° | 90° in 2004 | +1.1° |
| Sep 11, 2021 | Record high | 95° | 92° in 2016 | +3.1° |
| Sep 10, 2021 | Record high | 99° | 94° in 2012 | +5° |
| Sep 9, 2021 | Record high | 95° | 94° in 1983 | +1.1° |
| Aug 17, 2021 | Record high | 95° | 94° in 2020 | +1.1° |
| Jun 17, 2021 | Record high | 99° | 97° in 2012 | +2° |
| Jun 16, 2021 | Record high | 99° | 94° in 1977 | +5° |
| Jun 15, 2021 | Record high | 96° | 95° in 1978 | +1.1° |
| Apr 20, 2021 | Record low | 10° | 25° in 1982 | +14.9° |
| Apr 4, 2021 | Record high | 80° | 74° in 1991 | +6.1° |
| Apr 3, 2021 | Record high | 78° | 75° in 2011 | +3.1° |
| Feb 15, 2021 | Record low | -12° | 3° in 1993 | +14.9° |
| Feb 14, 2021 | Record low | -8° | 1° in 1995 | +9° |
| Feb 13, 2021 | Record low | -3° | 1° in 1995 | +4° |
| Feb 3, 2021 | Record high | 65° | 63° in 2019 | +2° |
| Nov 4, 2020 | Record high | 79° | 75° in 2007 | +4° |
| Oct 27, 2020 | Record low | 4° | 14° in 2011 | +10.1° |
| Oct 26, 2020 | Record low | 5° | 13° in 1997 | +7.9° |
| Oct 25, 2020 | Record low | 10° | 20° in 1975 | +9.9° |
| Oct 9, 2020 | Record high | 85° | 83° in 1980 | +2° |
| Oct 6, 2020 | Record high | 86° | 85° in 1993 | +1.1° |
| Oct 5, 2020 | Record high | 85° | 84° in 1993 | +0.9° |
| Sep 24, 2020 | Record high | 88° | 86° in 2019 | +2° |
| Sep 11, 2020 | Record low | 36° | 40° in 2007 | +4° |
| Sep 12, 2013 | Most rain in 24h All-time | 9.08 in | 3.56 in in 1986 | +5.52 in |
| Jun 23, 2012 | All-time high All-time | 102° | 101° in 1979 | +1.1° |
| Feb 5, 1989 | All-time low All-time | -24° | -19° in 1984 | +5° |
| Apr 3, 1986 | Most rain in 24h All-time | 3.56 in | 2.77 in in 1983 | +0.79 in |
| Jan 18, 1984 | All-time low All-time | -19° | -16° in 1972 | +2.9° |
| May 17, 1983 | Most rain in 24h All-time | 2.77 in | 2.24 in in 1973 | +0.53 in |
| Aug 6, 1979 | All-time high All-time | 101° | 100° in 1971 | +0.9° |
| May 6, 1973 | Most rain in 24h All-time | 2.24 in | 2.11 in in 1970 | +0.13 in |
| Dec 6, 1972 | All-time low All-time | -16° | -12° in 1972 | +4.1° |
| Jan 4, 1972 | All-time low All-time | -12° | -9° in 1971 | +2.9° |
| Jul 12, 1971 | All-time high All-time | 100° | 97° in 1971 | +3.1° |
| Jun 23, 1971 | All-time high All-time | 97° | 94° in 1970 | +3.1° |
| Jan 6, 1971 | All-time low All-time | -9° | -4° in 1971 | +5° |
| Jan 5, 1971 | All-time low All-time | -4° | -3° in 1970 | +1.1° |
| Aug 6, 1970 | All-time high All-time | 94° | 93° in 1970 | +0.9° |
| Aug 1, 1970 | All-time high All-time | 93° | 92° in 1970 | +1.1° |
| Jun 27, 1970 | All-time high All-time | 92° | 89° in 1970 | +2.9° |
| Jun 25, 1970 | All-time high All-time | 89° | 88° in 1970 | +1.1° |
| Jun 24, 1970 | All-time high All-time | 88° | 87° in 1970 | +0.9° |
| Jun 11, 1970 | Most rain in 24h All-time | 2.11 in | 1.03 in in 1970 | +1.08 in |
| May 18, 1970 | All-time high All-time | 87° | 86° in 1970 | +1.1° |
| May 17, 1970 | All-time high All-time | 86° | 81° in 1970 | +5° |
| May 5, 1970 | All-time high All-time | 81° | 78° in 1970 | +2.9° |
| Apr 26, 1970 | All-time high All-time | 78° | 72° in 1970 | +6.1° |
| Apr 25, 1970 | All-time high All-time | 72° | 69° in 1970 | +2.9° |
| Mar 30, 1970 | Most rain in 24h All-time | 1.03 in | 1.01 in in 1970 | +0.02 in |
| Mar 25, 1970 | Most rain in 24h All-time | 1.01 in | 0.46 in in 1970 | +0.55 in |
| Mar 18, 1970 | Most rain in 24h All-time | 0.46 in | 0.25 in in 1970 | +0.21 in |
| Mar 10, 1970 | Most rain in 24h All-time | 0.25 in | 0.10 in in 1970 | +0.15 in |
| Feb 16, 1970 | All-time high All-time | 69° | 65° in 1970 | +4.1° |
| Jan 23, 1970 | All-time high All-time | 65° | 59° in 1970 | +5.9° |
| Jan 22, 1970 | All-time high All-time | 59° | 56° in 1970 | +3.1° |
| Jan 20, 1970 | All-time high All-time | 56° | 55° in 1970 | +0.9° |
| Jan 14, 1970 | All-time high All-time | 55° | 52° in 1970 | +3.1° |
| Jan 13, 1970 | All-time high All-time | 52° | 51° in 1970 | +0.9° |
| Jan 12, 1970 | All-time high All-time | 51° | 48° in 1970 | +3.1° |
| Jan 10, 1970 | All-time high All-time | 48° | 36° in 1970 | +12.1° |
| Jan 9, 1970 | All-time high All-time | 36° | 33° in 1970 | +2.9° |
| Jan 6, 1970 | All-time low All-time | -3° | 3° in 1970 | +5.9° |
| Jan 5, 1970 | All-time low All-time | 3° | 9° in 1970 | +5.9° |
| Jan 4, 1970 | All-time low All-time | 9° | 14° in 1970 | +5° |
| Jan 3, 1970 | All-time low All-time | 14° | 15° in 1970 | +1.1° |
| Jan 2, 1970 | All-time low All-time | 15° | 19° in 1970 | +4° |
| Jan 2, 1970 | All-time high All-time | 33° | 32° in 1970 | +1.1° |
Showing the 120 most recent daily records; +342 older not shown. All-time records are complete.
Station Boulder (USC00050848), 2 km from Boulder, CO. Records since 1970. Stations need 30 years of record; ties are not records.
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