Weather on October 21
Saint Paul, MN
55 Years of Data
About This Date
October 21st in Saint Paul, MN typically brings cool fall weather, with average highs around 56°F and lows near 38°F. Over 55 years of records, the warmest October 21st was in 2024 (71°F average), while the coldest was 2002 (34°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 25% of October 21st dates historically, with the wettest October 21st recording 1.17" of rain. The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for October 21st in Saint Paul, MN? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 47° | 43° | 45° | 0.05" | — |
| 2024warmest | 85° | 57° | 71° | — | — |
| 2023 | 61° | 45° | 53° | — | — |
| 2022 | 69° | 40° | 54° | — | — |
| 2021 | 52° | 38° | 45° | — | — |
| 2020 | 37° | 31° | 34° | — | — |
| 2019 | 56° | 46° | 51° | 1.17" | — |
| 2018 | 57° | 25° | 41° | — | — |
| 2017 | 68° | 52° | 60° | 0.49" | — |
| 2016 | 54° | 34° | 44° | — | — |
| 2015 | 64° | 44° | 54° | — | — |
| 2014 | 57° | 36° | 46° | — | — |
| 2013 | 39° | 30° | 35° | — | — |
| 2012 | 72° | 42° | 57° | — | — |
| 2011 | 60° | 29° | 44° | — | — |
| 2010 | 54° | 36° | 45° | — | — |
| 2009 | 49° | 39° | 44° | 0.5" | — |
| 2008 | 53° | 33° | 43° | 0.02" | — |
| 2007 | 60° | 50° | 55° | — | — |
| 2006 | 42° | 30° | 36° | — | — |
| 2005 | 55° | 39° | 47° | 0.02" | — |
| 2004 | 52° | 43° | 47° | — | — |
| 2003 | 57° | 42° | 50° | 0.01" | — |
| 2002coldest | 36° | 33° | 34° | 0.05" | — |
| 2001 | 60° | 35° | 48° | — | — |
| 2000 | 66° | 35° | 51° | — | — |
| 1999 | 72° | 38° | 55° | — | — |
| 1998 | 53° | 35° | 44° | — | — |
| 1997 | 39° | 33° | 36° | — | — |
| 1996 | 57° | 38° | 47° | — | — |
| 1995 | 38° | 34° | 36° | 0.01" | — |
| 1994 | 70° | 45° | 57° | — | — |
| 1993 | 47° | 34° | 40° | — | — |
| 1992 | 52° | 34° | 43° | — | — |
| 1991 | 59° | 47° | 53° | — | — |
| 1990 | 48° | 35° | 42° | 0.44" | — |
| 1989 | 65° | 28° | 46° | — | — |
| 1988 | 51° | 40° | 45° | 0.44" | — |
| 1987 | 41° | 28° | 35° | — | — |
| 1986 | 75° | 45° | 60° | — | — |
| 1985 | 59° | 47° | 53° | — | — |
| 1984 | 46° | 37° | 42° | — | — |
| 1983 | 53° | 41° | 47° | 0.02" | — |
| 1982 | 46° | 25° | 35° | — | — |
| 1981 | 49° | 32° | 40° | — | — |
| 1980 | 59° | 34° | 46° | — | — |
| 1979 | 66° | 41° | 54° | — | — |
| 1978 | 75° | 54° | 64° | — | — |
| 1977 | 70° | 42° | 56° | — | — |
| 1976 | 42° | 29° | 35° | — | — |
| 1975 | 67° | 48° | 57° | — | — |
| 1974 | 65° | 35° | 50° | — | — |
| 1973 | 75° | 46° | 61° | — | — |
| 1972 | 43° | 35° | 39° | 0.61" | — |
| 1971 | 59° | 50° | 55° | 0.28" | — |
Saint Paul, MN Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Saint Paul, MN Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Saint Paul, MN Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Saint Paul, MN
Most pleasant months in Saint Paul, MN: May, June, August, September.
What to expect on October 21st
This page shows what actually happened each year. For the odds — typical high and low, and how often it stays dry — see the climatological outlook for this date.
October 21st outlook →