Weather Tomorrow in St. Louis, MO
Sunday, October 18, 2026
High 65°FLow 39°F
Clear
- Rain chance
- 0%
- Wind
- 1-6 mph
- Humidity
- 67%
- Feels like
- 39–65°F
Data source: National Weather Service (NOAA) · Forecast issued
Precipitation Timeline
No significant precipitation expected tomorrow.
Tomorrow by Hour
Local time. Rows with a 40% or higher chance of rain are shaded blue.
| Time | Sky | Temp | Rain | Wind (mph) |
|---|---|---|---|---|
| 12 AM | , Clear | 45°F | 0% | 1 SE |
| 1 AM | , Clear | 44°F | 0% | 1 SE |
| 2 AM | , Clear | 43°F | 0% | 2 SE |
| 3 AM | , Clear | 42°F | 0% | 2 SE |
| 4 AM | , Patchy Frost | 41°F | 0% | 2 S |
| 5 AM | , Patchy Frost | 40°F | 0% | 2 S |
| 6 AM | , Patchy Frost | 39°F | 0% | 2 S |
| 7 AM | , Patchy Frost | 39°F | 0% | 2 S |
| 8 AM | , Patchy Frost | 41°F | 0% | 3 SE |
| 9 AM | , Sunny | 44°F | 0% | 3 S |
| 10 AM | , Sunny | 50°F | 0% | 5 S |
| 11 AM | , Sunny | 55°F | 0% | 6 S |
| 12 PM | , Sunny | 58°F | 0% | 6 S |
| 1 PM | , Sunny | 61°F | 0% | 6 S |
| 2 PM | , Sunny | 64°F | 0% | 6 S |
| 3 PM | , Sunny | 65°F | 0% | 5 SE |
| 4 PM | , Sunny | 65°F | 0% | 5 SE |
| 5 PM | , Sunny | 64°F | 0% | 5 SE |
| 6 PM | , Clear | 61°F | 0% | 3 SE |
| 7 PM | , Clear | 58°F | 0% | 3 SE |
| 8 PM | , Clear | 55°F | 0% | 3 SE |
| 9 PM | , Clear | 52°F | 0% | 2 SE |
| 10 PM | , Clear | 50°F | 0% | 2 SE |
| 11 PM | , Clear | 48°F | 0% | 2 SE |
What to Wear Tomorrow
Warm and comfortable — dress light
Clothing
- T-shirt or light blouse
- Shorts or light pants
Footwear
Comfortable shoes or sandals
Conditions
- High
- 65°F
- Low
- 39°F
- Wind
- 1-6 mph
- Rain
- 0%
Big temperature swing (39°F to 65°F) — dress in removable layers.
Best Time to Be Outside Tomorrow
3 PM – 5 PM
Excellent conditions for outdoor activities (dry, comfortable temp, light wind, daylight)
95out of 100
More for St. Louis, MO
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Frequently Asked Questions
What is the weather forecast for tomorrow in St. Louis, MO?
Tomorrow in St. Louis: High of 65°F, Low of 39°F. Clear with 0% chance of precipitation. Wind 1-6 mph.
Will it rain tomorrow in St. Louis?
No significant precipitation expected tomorrow.
What should I wear tomorrow in St. Louis?
With a high of 65°F and low of 39°F, check our "What to Wear" section above for specific clothing recommendations based on temperature, wind, and precipitation.
How accurate is this forecast?
Our forecasts come directly from the National Weather Service (NOAA). A next-day forecast is the most reliable part of any forecast, but it can still change, so check again in the evening. The page shows when the forecast was issued.