St. Louis weather in October
October in St. Louis averages 69°F by day and 49°F at night, with 3.2 inches of precipitation. It is the 6th-warmest and 8th-wettest month of the year here.
- Average high
- 69°F-12° vs September
- Average low
- 49°F1 nights below freezing
- Precipitation
- 3.2 in6 days with 0.1 in. or more
- Snow
- 0.0 in0 days at 90°F+
Is October a good time to visit St. Louis?
Yes. October is one of the most comfortable months in St. Louis by our rule (highs of 62 to 86°F, lows of 42°F or more and under 4.5 inches of precipitation). The most comfortable months overall are June and September to October.
Get outside in St. Louis in October
October is made for being outside. Try Gateway Arch, Missouri Botanical Garden, Gateway Arch National Park, Forest Park. All things to do in St. Louis.
On October 15 the sun rises at 7:10 am and sets at 6:22 pm, giving 11h 12m of daylight. Daylight all year.
What to pack for St. Louis in October
- T-shirts and a light jacket or sweater
Based on 30-year averages, not a forecast. Check the forecast a few days before you go.
October nearby
| City | Distance | High | Low | Precip. |
|---|---|---|---|---|
| St. Louis | 69°F | 49°F | 3.2 in | |
| O'Fallon, MO | 28 mi | 69°F | 49°F | 3.2 in |
| Springfield, IL | 84 mi | 67°F | 45°F | 3.3 in |
| Columbia, MO | 114 mi | 68°F | 47°F | 3.5 in |
| Bloomington, IL | 145 mi | 66°F | 42°F | 3.5 in |
| Champaign, IL | 148 mi | 66°F | 44°F | 3.4 in |
| Peoria, IL | 148 mi | 65°F | 44°F | 3.2 in |
Frequently asked questions
What is the weather like in St. Louis in October?
In October, St. Louis averages a high of 69°F and a low of 49°F, with 3.2 inches of precipitation (NOAA 1991-2020 normals).
Is October a good time to visit St. Louis?
Yes. October is one of St. Louis's most comfortable months by our rule: highs between 62°F and 86°F, lows of 42°F or more and modest rain.
Does it snow in St. Louis in October?
Rarely. The October snowfall normal is under half an inch.
Before and after: St. Louis in September and St. Louis in November. All twelve months: St. Louis weather by month.
NOAA NCEI 1991-2020 climate normals, station St Louis Lambert Intl. Airport, MO, 9.8 miles from the city center.