Weather on March 18
Meridian, ID
55 Years of Data
Avg High
57°F
Avg Low
33°F
Warmest
2026
61°F avg
Coldest
2002
30°F avg
About This Date
March 18th in Meridian, ID typically brings cool spring weather, with average highs around 57°F and lows near 33°F. Over 56 years of records, the warmest March 18th was in 2026 (61°F average), while the coldest was 2002 (30°F) — a 31°F range across recorded history. Precipitation has occurred on 20% of recorded March 18th dates, with snow falling 2% of the time. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.
Planning for March 18th in Meridian, ID? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.0°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026warmest | 80° | 42° | 61° | — | — |
| 2025 | 46° | 29° | 38° | — | — |
| 2024 | 70° | 39° | 54° | — | — |
| 2023 | 54° | 29° | 42° | — | — |
| 2022 | 60° | 35° | 48° | — | — |
| 2021 | 69° | 41° | 55° | — | — |
| 2020 | 49° | 36° | 42° | — | — |
| 2019 | 63° | 35° | 49° | — | — |
| 2018 | 51° | 35° | 43° | — | — |
| 2017 | 63° | 52° | 57° | — | — |
| 2016 | 53° | 28° | 41° | — | — |
| 2015 | 59° | 38° | 48° | — | — |
| 2014 | 48° | 26° | 37° | — | — |
| 2013 | 51° | 25° | 38° | — | — |
| 2012 | 41° | 34° | 37° | 0.43" | 0.4" |
| 2011 | 56° | 36° | 46° | — | — |
| 2010 | 55° | 33° | 44° | — | — |
| 2009 | 60° | 34° | 47° | — | — |
| 2008 | 53° | 39° | 46° | 0.41" | — |
| 2007 | 67° | 39° | 53° | — | — |
| 2006 | 49° | 32° | 40° | — | — |
| 2005 | 54° | 29° | 41° | — | — |
| 2004 | 72° | 46° | 59° | — | — |
| 2003 | 56° | 33° | 44° | — | — |
| 2002coldest | 40° | 20° | 30° | — | — |
| 2001 | 55° | 39° | 47° | — | — |
| 2000 | 54° | 30° | 42° | 0.15" | — |
| 1999 | 68° | 36° | 52° | — | — |
| 1998 | 53° | 25° | 39° | — | — |
| 1997 | 73° | 45° | 59° | — | — |
| 1996 | 58° | 27° | 42° | — | — |
| 1995 | 62° | 45° | 53° | 0.79" | — |
| 1994 | 65° | 38° | 51° | — | — |
| 1993 | 60° | 45° | 52° | 0.28" | — |
| 1992 | 57° | 28° | 43° | — | — |
| 1991 | 63° | 42° | 52° | — | — |
| 1990 | 69° | 39° | 54° | — | — |
| 1989 | 60° | 29° | 44° | — | — |
| 1988 | 64° | 18° | 41° | — | — |
| 1987 | 51° | 33° | 42° | 1.17" | — |
| 1986 | 54° | 29° | 41° | — | — |
| 1985 | 60° | 32° | 46° | — | — |
| 1984 | 54° | 24° | 39° | — | — |
| 1983 | 48° | 36° | 42° | 0.13" | — |
| 1982 | 49° | 32° | 40° | 0.71" | — |
| 1981 | 52° | 21° | 36° | — | — |
| 1980 | 50° | 33° | 42° | 0.91" | — |
| 1979 | 59° | 23° | 41° | — | — |
| 1978 | 69° | 34° | 51° | — | — |
| 1977 | 48° | 17° | 33° | — | — |
| 1976 | 60° | 37° | 49° | — | — |
| 1975 | 59° | 38° | 48° | 0.1" | — |
| 1974 | 56° | 29° | 42° | — | — |
| 1973 | 52° | 16° | 34° | — | — |
| 1972 | 72° | 42° | 57° | 0.64" | — |
| 1971 | 46° | 17° | 32° | — | — |
56 years of data from KUNA