Weather & Climate in Weston, MO
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Weston enjoys a temperate climate with an average annual temperature of 56°F (13°C). Winters average 30°F in January while summers reach 80°F in July. Annual precipitation totals 41.3 inches. The area receives 18.8 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 814 feet.
Temperature
30°F Jan (-1°C)
80°F Jul (27°C)
| Annual Average | 55.8°F |
| 3% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 80°F (27°C) |
Geography
| Elevation | 814 ft (248 m) |
| Area | 3.4 sq mi (8.7 km²) |
| Population Density | 493/sq mi |
| Coordinates | 39.4143°N, 94.9006°W |
| Timezone | America/Chicago |
| Nearest Airport | Kansas City International (MCI) 13 miles away |
Precipitation & Snow
Air Quality
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.6.
| Dec 17, 2009 | 2 km NW of Auburn, Nebraska | M3.6 | 138 km | 5 km |
| Jul 16, 2004 | 6 km SSE of Riverton, Iowa | M3.5 | 146 km | 5 km |
| May 18, 2005 | Missouri | M3.3 | 133 km | 5 km |
| Mar 23, 2007 | 5 km N of Nortonville, Kansas | M3.1 | 38 km | 5 km |
| Feb 11, 1995 | 6 km E of Clearmont, Missouri | M3.1 | 121 km | 5 km |
| May 13, 1999 | 6 km WSW of Kansas City, Kansas | M3.0 | 39 km | 5 km |
| Mar 31, 1993 | 2 km SE of Nemaha, Nebraska | M2.9 | 120 km | 5 km |
| Jul 15, 2025 | 3 km W of Hale, Missouri | M2.5 | 132 km | 8 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tornado History
633 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF4. Total: 16 fatalities, 492 injuries.
| Date | Rating | Distance | Path | Fatalities |
| May 28, 2019 | EF4 | 76 km | 29.1 mi | 0 |
| May 29, 2004 | EF4 | 76 km | 22.0 mi | 3 |
| May 4, 2003 | EF4 | 39 km | 21.0 mi | 2 |
| May 4, 2003 | EF4 | 42 km | 5.0 mi | 0 |
| May 4, 1977 | EF4 | 56 km | 12.0 mi | 0 |
| May 4, 1977 | EF4 | 78 km | 48.6 mi | 0 |
| Apr 23, 1975 | EF4 | 86 km | 11.4 mi | 1 |
| Jun 8, 1966 | EF4 | 36 km | 19.9 mi | 1 |
| Aug 6, 1962 | EF4 | 76 km | 11.0 mi | 0 |
| May 7, 1961 | EF4 | 27 km | 26.2 mi | 0 |
| May 19, 1960 | EF4 | 94 km | 27.5 mi | 1 |
| May 22, 1952 | EF4 | 56 km | 26.9 mi | 0 |
| Mar 6, 2017 | EF3 | 76 km | 17.7 mi | 0 |
| May 2, 2008 | EF3 | 38 km | 0.9 mi | 0 |
| May 29, 2004 | EF3 | 13 km | 7.0 mi | 0 |
| Apr 26, 1984 | EF3 | 46 km | 32.0 mi | 0 |
| Jun 19, 1981 | EF3 | 59 km | 7.7 mi | 1 |
| May 4, 1977 | EF3 | 96 km | 26.2 mi | 1 |
| May 4, 1977 | EF3 | 79 km | 31.6 mi | 0 |
| Jun 26, 1969 | EF3 | 35 km | 10.1 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
11 wildfires (100+ acres) recorded within 100 km. Largest: BOURBONAIS CREEK (2,803 acres, 2020).
| Year | Name | Acres Burned | Distance |
| 2020 | BOURBONAIS CREEK | 2,803 | 98 km |
| 2021 | 4 DELTA 21 | 1,708 | 89 km |
| 2011 | 182 | 1,575 | 90 km |
| 2018 | FY 18 182 ROAD BROADCAST BURN | 1,009 | 83 km |
| 2020 | MOSQR-FY20-RX-WUI | 964 | 83 km |
| 2012 | HIGHWAY E | 897 | 90 km |
| 2016 | SQR BM SL DESOTO 2016 WUI RX | 866 | 83 km |
| 1988 | NORTH POOL | 698 | 83 km |
| 2020 | UNNAMED | 645 | 82 km |
| 2009 | UNIT 6 | 625 | 81 km |
| 2002 | SCRDGRS 6 | 536 | 80 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 1.1 in | Coldest, Driest |
| February | 35°F (1°C) | 1.6 in | |
| March | 45°F (7°C) | 2.4 in | |
| April | 56°F (13°C) | 4.1 in | |
| May | 66°F (19°C) | 5.2 in | |
| June | 75°F (24°C) | 5.5 in | Wettest |
| July | 80°F (27°C) | 4.3 in | Warmest |
| August | 78°F (26°C) | 5.3 in | |
| September | 69°F (21°C) | 4.6 in | |
| October | 57°F (14°C) | 3.6 in | |
| November | 44°F (7°C) | 2.0 in | |
| December | 34°F (1°C) | 1.7 in |
Weston has a seasonal temperature swing of 50°F / from 30°F in January to 80°F in July. Total annual precipitation is 41.3 inches, with June being the wettest month (5.5") and January the driest (1.1").