Weather on October 21
Nampa, ID
55 Years of Data
Avg High
65°F
Avg Low
36°F
Warmest
2003
64°F avg
Coldest
1996
32°F avg
About This Date
October 21st in Nampa, ID typically brings mild fall weather, with average highs around 65°F and lows near 36°F — a 29°F daily swing. Over 44 years of records, the warmest October 21st was in 2003 (64°F average), while the coldest was 1996 (32°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 16% of October 21st dates historically, with the wettest October 21st recording 0.69" of rain.
Planning for October 21st in Nampa, ID? Great weather for outdoor activities.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2014 | 77° | 41° | 59° | 0.69" | — |
| 2013 | 66° | 43° | 54° | — | — |
| 2012 | 59° | 35° | 47° | 0.08" | — |
| 2011 | 68° | 39° | 54° | 0.1" | — |
| 2010 | 73° | 34° | 53° | — | — |
| 2009 | 64° | 38° | 51° | — | — |
| 2008 | 75° | 41° | 58° | — | — |
| 2007 | 54° | 35° | 44° | — | — |
| 2006 | 61° | 32° | 46° | — | — |
| 2005 | 67° | 35° | 51° | — | — |
| 2004 | 61° | 37° | 49° | 0.03" | — |
| 2003warmest | 82° | 47° | 64° | — | — |
| 2002 | 67° | 33° | 50° | — | — |
| 2001 | 65° | 32° | 48° | — | — |
| 2000 | 70° | 46° | 58° | 0.38" | — |
| 1999 | 70° | 32° | 51° | — | — |
| 1998 | 65° | 29° | 47° | — | — |
| 1997 | 66° | 30° | 48° | — | — |
| 1996coldest | 49° | 16° | 32° | — | — |
| 1995 | 62° | 35° | 49° | — | — |
| 1994 | 69° | 37° | 53° | — | — |
| 1993 | 63° | 29° | 46° | — | — |
| 1992 | 74° | 38° | 56° | — | — |
| 1991 | 69° | 34° | 51° | — | — |
| 1990 | 54° | 25° | 39° | — | — |
| 1989 | 73° | 45° | 59° | — | — |
| 1988 | 70° | 40° | 55° | — | — |
| 1987 | 67° | 29° | 48° | — | — |
| 1986 | 68° | 37° | 53° | — | — |
| 1985 | 69° | 45° | 57° | — | — |
| 1984 | 50° | 28° | 39° | — | — |
| 1983 | 67° | 41° | 54° | — | — |
| 1982 | 58° | 36° | 47° | — | — |
| 1981 | 63° | 26° | 44° | — | — |
| 1980 | 62° | 27° | 44° | — | — |
| 1979 | 55° | 37° | 46° | 0.33" | — |
| 1978 | 62° | 43° | 52° | — | — |
| 1977 | 69° | 33° | 51° | — | — |
| 1976 | 60° | 25° | 42° | — | — |
| 1975 | 68° | 51° | 60° | — | — |
| 1974 | 59° | 41° | 50° | 0.56" | — |
| 1973 | 71° | 45° | 58° | — | — |
| 1972 | 70° | 40° | 55° | — | — |
| 1971 | 54° | 28° | 41° | — | — |
44 years of data from NAMPA SUGAR FACTORY