Weather on October 21
Rochester, NY
55 Years of Data
Avg High
59°F
Avg Low
41°F
Warmest
1979
70°F avg
Coldest
1974
34°F avg
About This Date
October 21st in Rochester, NY typically brings cool fall weather, with average highs around 59°F and lows near 41°F. Over 55 years of records, the warmest October 21st was in 1979 (70°F average), while the coldest was 1974 (34°F) — a 36°F range across recorded history. Rain or other precipitation has occurred on about 49% of October 21st dates historically, with the wettest October 21st recording 6.43" of rain. The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.1°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Rochester, NY? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 63° | 41° | 52° | — | — |
| 2024 | 79° | 52° | 65° | — | — |
| 2023 | 53° | 48° | 51° | 0.08" | — |
| 2022 | 65° | 31° | 48° | — | — |
| 2021 | 67° | 54° | 60° | 0.71" | — |
| 2020 | 69° | 47° | 58° | 1.75" | — |
| 2019 | 67° | 39° | 53° | — | — |
| 2018 | 43° | 36° | 39° | — | — |
| 2017 | 74° | 46° | 60° | — | — |
| 2016 | 54° | 46° | 50° | 6.43" | — |
| 2015 | 65° | 52° | 58° | 0.03" | — |
| 2014 | 55° | 47° | 51° | 1.35" | — |
| 2013 | 67° | 46° | 56° | — | — |
| 2012 | 62° | 43° | 52° | — | — |
| 2011 | 52° | 45° | 48° | 0.33" | — |
| 2010 | 52° | 37° | 44° | 0.64" | — |
| 2009 | 64° | 49° | 56° | — | — |
| 2008 | 52° | 37° | 44° | 1.37" | — |
| 2007 | 80° | 49° | 64° | — | — |
| 2006 | 51° | 38° | 44° | 0.03" | — |
| 2005 | 55° | 35° | 45° | — | — |
| 2004 | 51° | 46° | 49° | 0.08" | — |
| 2003 | 67° | 42° | 54° | 0.66" | — |
| 2002 | 48° | 37° | 43° | — | — |
| 2001 | 69° | 44° | 57° | 1.37" | — |
| 2000 | 68° | 47° | 57° | — | — |
| 1999 | 56° | 35° | 45° | — | — |
| 1998 | 47° | 40° | 43° | 0.05" | — |
| 1997 | 49° | 35° | 42° | 0.69" | — |
| 1996 | 53° | 46° | 50° | 0.48" | — |
| 1995 | 51° | 42° | 47° | 5.89" | — |
| 1994 | 61° | 43° | 52° | — | — |
| 1993 | 63° | 46° | 54° | 0.23" | — |
| 1992 | 45° | 36° | 40° | 0.18" | — |
| 1991 | 58° | 36° | 47° | — | — |
| 1990 | 69° | 38° | 53° | — | — |
| 1989 | 46° | 35° | 41° | 0.15" | — |
| 1988 | 53° | 35° | 44° | 0.51" | — |
| 1987 | 47° | 35° | 41° | 0.43" | — |
| 1986 | 62° | 44° | 53° | — | — |
| 1985 | 59° | 31° | 45° | — | — |
| 1984 | 75° | 52° | 63° | 0.3" | — |
| 1983 | 55° | 29° | 42° | — | — |
| 1982 | 47° | 40° | 43° | — | — |
| 1981 | 53° | 43° | 48° | 0.05" | — |
| 1980 | 55° | 40° | 47° | 0.33" | — |
| 1979warmest | 76° | 64° | 70° | — | — |
| 1978 | 73° | 42° | 58° | — | — |
| 1977 | 66° | 37° | 52° | — | — |
| 1976 | 49° | 37° | 43° | 0.56" | — |
| 1975 | 66° | 46° | 56° | — | — |
| 1974coldest | 46° | 21° | 34° | — | — |
| 1973 | 60° | 37° | 49° | — | — |
| 1972 | 50° | 28° | 39° | 0.41" | — |
| 1971 | 73° | 45° | 59° | — | — |
55 years of data from ROCHESTER GTR INTL