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 25.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 20 °F by the end of October.
St. Louis sees moderate rainfall in October, averaging 9 rainy days.
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22
Dry days
9
Rainy days
0
Snow days
22°/10°
Temperatures
22 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  27° | 3  28° | 4  28° | 5  26° | ||
| 6 25° | 7 19° | 8  22° | 9  22° | 10 25° | 11 29° | 12 29° |
| 13  23° | 14 15° | 15 14° | 16 17° | 17 20° | 18 23° | 19 22° |
| 20 23° | 21 25° | 22 22° | 23 23° | 24 23° | 25  26° | 26  24° |
| 27 23° | 28 17° | 29 19° | 30 17° | 31 14° |
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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 mm | 7 | |
| Oct. 2 | Fog | 27° /11° | 0 mm | 7 | |
| Oct. 3 | Cloudy | 28° /12° | 0 mm | 6 | |
| Oct. 4 | Patchy rain possible | 28° /14° | 0.5 mm | 6 | |
| Oct. 5 | Heavy rain | 26° /16° | 17.8 mm | 6 | |
| Oct. 6 | Cloudy | 25° /13° | 0 mm | 6 | |
| Oct. 7 | Sunny | 19° /6° | 0 mm | 6 | |
| Oct. 8 | Overcast | 22° /7° | 0 mm | 6 | |
| Oct. 9 | Partly cloudy | 22° /10° | 0 mm | 6 | |
| Oct. 10 | Sunny | 25° /9° | 0.1 mm | 7 | |
| Oct. 11 | Light rain shower | 29° /11° | 0.6 mm | 7 | |
| Oct. 12 | Sunny | 29° /13° | 0 mm | 7 | |
| Oct. 13 | Moderate or heavy rain shower | 23° /15° | 3.4 mm | 5 | |
| Oct. 14 | Patchy rain possible | 15° /8° | 0 mm | 4 | |
| Oct. 15 | Patchy rain possible | 14° /7° | 0 mm | 3 | |
| Oct. 16 | Partly cloudy | 17° /5° | 0 mm | 5 | |
| Oct. 17 | Fog | 20° /5° | 0 mm | 5 | |
| Oct. 18 | Cloudy | 23° /5° | 0 mm | 6 | |
| Oct. 19 | Cloudy | 22° /9° | 0 mm | 6 | |
| Oct. 20 | Sunny | 23° /8° | 0 mm | 6 | |
| Oct. 21 | Sunny | 25° /10° | 0 mm | 7 | |
| Oct. 22 | Partly cloudy | 22° /7° | 0 mm | 6 | |
| Oct. 23 | Cloudy | 23° /10° | 0 mm | 6 | |
| Oct. 24 | Patchy rain possible | 23° /10° | 0 mm | 6 | |
| Oct. 25 | Moderate rain | 26° /14° | 1.9 mm | 6 | |
| Oct. 26 | Light drizzle | 24° /13° | 1.2 mm | 6 | |
| Oct. 27 | Light rain shower | 23° /10° | 2.6 mm | 5 | |
| Oct. 28 | Light rain | 17° /7° | 2.6 mm | 4 | |
| Oct. 29 | Light rain | 19° /9° | 4.6 mm | 5 | |
| Oct. 30 | Sunny | 17° /9° | 0 mm | 5 | |
| Oct. 31 | Sunny | 14° /5° | 9.1 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 10°. 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 70.3 mm spread over approximately 9 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 22 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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