St. Louis
October
Weather in St. Louis for October 2025
Your guide to St. Louis weather in October - trends and predictions
In general, the average temperature in St. Louis at the beginning of October is 25.6 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 18.4 °F by the end of October.
St. Louis in October brings notable rainfall, with an average of 16 rainy days and a total precipitation of 75.9 mm.
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Temperatures
Rain 🌧️
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15
Dry days
16
Rainy days
0
Snow days
22°/11°
Temperatures
20 km/h
Avg max wind
59 %
Avg humidity
St. Louis in October average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  27° | 2 26° | 3  27° | 4 27° | 5  26° | ||
| 6 26° | 7 20° | 8 23° | 9 25° | 10 27° | 11  27° | 12  27° |
| 13  23° | 14 18° | 15 18° | 16 18° | 17 18° | 18 20° | 19 20° |
| 20 23° | 21 24° | 22  22° | 23 23° | 24 24° | 25 22° | 26 21° |
| 27 20° | 28 17° | 29 18° | 30 16° | 31 15° |
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Temperatures trend during October in St. Louis
See the weather trend as well as the moving average line
October weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Oct. 1 | Sunny | 27° /14° | 0.1 mm | 7 | |
| Oct. 2 | Sunny | 26° /13° | 2.9 mm | 6 | |
| Oct. 3 | Heavy rain at times | 27° /13° | 0.9 mm | 6 | |
| Oct. 4 | Sunny | 27° /14° | 0.2 mm | 6 | |
| Oct. 5 | Patchy rain possible | 26° /14° | 8.9 mm | 6 | |
| Oct. 6 | Sunny | 26° /14° | 1.4 mm | 6 | |
| Oct. 7 | Sunny | 20° /9° | 0.4 mm | 5 | |
| Oct. 8 | Sunny | 23° /8° | 0 mm | 6 | |
| Oct. 9 | Sunny | 25° /11° | 0 mm | 6 | |
| Oct. 10 | Sunny | 27° /12° | 0 mm | 7 | |
| Oct. 11 | Moderate or heavy rain shower | 27° /14° | 2.5 mm | 6 | |
| Oct. 12 | Cloudy | 27° /14° | 1.4 mm | 6 | |
| Oct. 13 | Overcast | 23° /13° | 2.1 mm | 5 | |
| Oct. 14 | Heavy rain at times | 18° /10° | 4.5 mm | 5 | |
| Oct. 15 | Heavy rain at times | 18° /9° | 4.7 mm | 4 | |
| Oct. 16 | Sunny | 18° /7° | 0 mm | 5 | |
| Oct. 17 | Sunny | 18° /5° | 0 mm | 5 | |
| Oct. 18 | Sunny | 20° /5° | 0 mm | 5 | |
| Oct. 19 | Sunny | 20° /7° | 0 mm | 5 | |
| Oct. 20 | Sunny | 23° /7° | 0.6 mm | 6 | |
| Oct. 21 | Sunny | 24° /10° | 0.1 mm | 6 | |
| Oct. 22 | Partly cloudy | 22° /10° | 0.7 mm | 6 | |
| Oct. 23 | Moderate or heavy rain shower | 23° /11° | 3.4 mm | 5 | |
| Oct. 24 | Patchy rain possible | 24° /13° | 6.8 mm | 6 | |
| Oct. 25 | Overcast | 22° /12° | 12.6 mm | 5 | |
| Oct. 26 | Sunny | 21° /9° | 0.6 mm | 5 | |
| Oct. 27 | Cloudy | 20° /9° | 1.3 mm | 5 | |
| Oct. 28 | Moderate or heavy rain shower | 17° /7° | 5.6 mm | 4 | |
| Oct. 29 | Partly cloudy | 18° /9° | 4.4 mm | 5 | |
| Oct. 30 | Overcast | 16° /10° | 5.2 mm | 4 | |
| Oct. 31 | Sunny | 15° /7° | 4.7 mm | 4 | |
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Important Notice
Our weather forecast for St. Louis in October is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the St. Louis forecast closer to your planned date for the most up-to-date weather information.
St. Louis in October - FAQ
What are the expected maximum and minimum temperatures in St. Louis during October?
Enjoy moderate daytime temperatures of up to 22° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in St. Louis during October?
Moderate rainfall is anticipated in St. Louis during October, with a total of 75.9 mm spread over approximately 16 days. Considering plans for rainy days is advisable.
What are the typical wind conditions in St. Louis during October?
The average wind speed in St. Louis during October is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
October rainfall patterns in St. Louis
Explore the daily rainfall trends and prepare for St. Louiss October weather 💧
UV exposure in St. Louis during October
Stay informed about UV levels for safe outdoor activities throughout the month of October ☀️
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