Weather on March 18
Nampa, ID
55 Years of Data
Avg High
57°F
Avg Low
32°F
Warmest
2007
63°F avg
Coldest
2002
29°F avg
About This Date
March 18th in Nampa, ID typically brings cool spring weather, with average highs around 57°F and lows near 32°F — a 25°F daily swing. Over 45 years of records, the warmest March 18th was in 2007 (63°F average), while the coldest was 2002 (29°F) — a 34°F range across recorded history. Precipitation has occurred on 29% of recorded March 18th dates, with snow falling 2% of the time.
Planning for March 18th in Nampa, ID? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2015 | 64° | 43° | 53° | — | — |
| 2014 | 51° | 31° | 41° | — | — |
| 2013 | 50° | 29° | 39° | — | — |
| 2012 | 49° | 36° | 42° | 0.51" | — |
| 2011 | 50° | 29° | 39° | — | — |
| 2010 | 64° | 35° | 50° | — | — |
| 2009 | 57° | 31° | 44° | — | — |
| 2008 | 52° | 33° | 42° | 0.25" | — |
| 2007warmest | 78° | 48° | 63° | — | — |
| 2006 | 56° | 32° | 44° | — | — |
| 2005 | 55° | 25° | 40° | — | — |
| 2004 | 69° | 40° | 54° | — | — |
| 2003 | 58° | 35° | 46° | — | — |
| 2002coldest | 41° | 18° | 29° | 0.13" | 0.5" |
| 2001 | 51° | 36° | 43° | 0.05" | — |
| 2000 | 52° | 26° | 39° | — | — |
| 1999 | 60° | 30° | 45° | — | — |
| 1998 | 53° | 28° | 41° | — | — |
| 1997 | 66° | 43° | 54° | — | — |
| 1996 | 59° | 29° | 44° | — | — |
| 1995 | 62° | 30° | 46° | — | — |
| 1994 | 62° | 38° | 50° | — | — |
| 1993 | 57° | 44° | 51° | 1.85" | — |
| 1992 | 57° | 37° | 47° | — | — |
| 1991 | 60° | 31° | 45° | — | — |
| 1990 | 65° | 40° | 52° | — | — |
| 1989 | 51° | 33° | 42° | 0.03" | — |
| 1988 | 58° | 25° | 41° | — | — |
| 1987 | 51° | 35° | 43° | 1.07" | — |
| 1986 | 53° | 31° | 42° | — | — |
| 1985 | 62° | 30° | 46° | — | — |
| 1984 | 51° | 30° | 41° | 0.03" | — |
| 1983 | 48° | 34° | 41° | 0.1" | — |
| 1982 | 53° | 28° | 41° | 0.79" | — |
| 1981 | 50° | 21° | 36° | — | — |
| 1980 | 54° | 29° | 41° | 0.97" | — |
| 1979 | 55° | 24° | 40° | — | — |
| 1978 | 72° | 36° | 54° | — | — |
| 1977 | 46° | 24° | 35° | — | — |
| 1976 | 63° | 37° | 50° | — | — |
| 1975 | 64° | 36° | 50° | 0.51" | — |
| 1974 | 59° | 33° | 46° | — | — |
| 1973 | 54° | 18° | 36° | — | — |
| 1972 | 74° | 44° | 59° | 0.76" | — |
| 1971 | 47° | 22° | 34° | — | — |
45 years of data from NAMPA SUGAR FACTORY