Weather on December 18
Fort Wayne, IN
55 Years of Data
Avg High
34°F
Avg Low
21°F
Warmest
2025
44°F avg
Coldest
1985
0°F avg
About This Date
December 18th in Fort Wayne, IN typically brings cold winter weather, with average highs around 34°F and lows near 21°F. Over 55 years of records, the warmest December 18th was in 2025 (44°F average), while the coldest was 1985 (0°F) — a 44°F range across recorded history. Precipitation has occurred on 31% of recorded December 18th dates, with snow falling 16% of the time (heaviest snowfall: 2.5"). The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for December 18th in Fort Wayne, IN? Bundle up with warm layers and protect extremities from the cold. Consider bringing rain gear or an umbrella.
Warming Trend
1.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 55° | 33° | 44° | 0.69" | — |
| 2024 | 39° | 30° | 35° | — | — |
| 2023 | 39° | 27° | 33° | 0.05" | 0.5" |
| 2022 | 24° | 17° | 21° | — | — |
| 2021 | 37° | 30° | 34° | 1.4" | — |
| 2020 | 34° | 21° | 28° | — | — |
| 2019 | 26° | 9° | 18° | — | — |
| 2018 | 41° | 25° | 33° | — | — |
| 2017 | 48° | 38° | 43° | 0.05" | — |
| 2016 | 30° | 0° | 15° | 0.08" | 0.4" |
| 2015 | 31° | 26° | 29° | — | — |
| 2014 | 28° | 27° | 28° | — | — |
| 2013 | 34° | 10° | 22° | — | — |
| 2012 | 39° | 33° | 36° | 0.05" | — |
| 2011 | 41° | 28° | 35° | — | — |
| 2010 | 24° | 8° | 16° | — | — |
| 2009 | 37° | 32° | 35° | — | — |
| 2008 | 25° | 17° | 21° | — | — |
| 2007 | 38° | 13° | 25° | — | — |
| 2006 | 45° | 33° | 39° | 0.33" | — |
| 2005 | 19° | 6° | 13° | — | — |
| 2004 | 40° | 22° | 31° | — | — |
| 2003 | 30° | 21° | 26° | — | — |
| 2002 | 51° | 32° | 42° | 0.25" | — |
| 2001 | 46° | 35° | 41° | — | — |
| 2000 | 19° | 1° | 10° | 0.3" | 2.5" |
| 1999 | 28° | 17° | 23° | — | — |
| 1998 | 46° | 23° | 35° | 0.1" | — |
| 1997 | 46° | 24° | 35° | — | — |
| 1996 | 23° | 2° | 12° | — | 0.2" |
| 1995 | 32° | 29° | 30° | 0.46" | — |
| 1994 | 40° | 32° | 36° | — | — |
| 1993 | 44° | 36° | 40° | 0.41" | — |
| 1992 | 36° | 29° | 32° | — | — |
| 1991 | 29° | 15° | 22° | — | — |
| 1990 | 47° | 31° | 39° | 0.89" | 2" |
| 1989 | 16° | -5° | 5° | — | — |
| 1988 | 30° | 11° | 20° | — | — |
| 1987 | 32° | 26° | 29° | — | — |
| 1986 | 38° | 30° | 34° | — | — |
| 1985coldest | 4° | -4° | 0° | — | — |
| 1984 | 43° | 31° | 37° | — | — |
| 1983 | 20° | 3° | 11° | 0.05" | 0.3" |
| 1982 | 39° | 30° | 35° | — | — |
| 1981 | 19° | 6° | 13° | — | 0.1" |
| 1980 | 39° | 27° | 33° | 0.13" | 0.8" |
| 1979 | 29° | 15° | 22° | — | — |
| 1978 | 38° | 25° | 31° | — | — |
| 1977 | 45° | 39° | 42° | 0.69" | — |
| 1976 | 46° | 19° | 33° | — | — |
| 1975 | 14° | 9° | 11° | — | — |
| 1974 | 30° | 22° | 26° | 0.03" | 0.4" |
| 1973 | 22° | 16° | 19° | — | — |
| 1972 | 38° | 21° | 29° | — | — |
| 1971 | 27° | 16° | 21° | — | — |
55 years of data from FT WAYNE INTL AP