Weather in Lake Saint Louis, United States 🇺🇸
Right now Lake Saint Louis is 27°C with clear, feeling like 28°C. Humidity is 59% with winds around 13 km/h, and the UV index is 0 (low). The next few days in Lake Saint Louis look set for about 22°C up to 41°C.
Hourly Forecast for Lake Saint Louis
14-Day Forecast for Lake Saint Louis
Additional Forecasts for Lake Saint Louis
Air Quality
Historical Weather
Weather Forecasts for Other Cities in United States
Browse Weather in United States by cities in alphabetical order:
Best Time to Be Outside in Lake Saint Louis Today
The most comfortable window in Lake Saint Louis today looks like 07:00 to 10:00, when it is around 28°C. It should stay dry through that window. No significant rain is expected in the next several hours.
Frequently Asked Questions about Weather in Lake Saint Louis
What is the temperature in Lake Saint Louis right now?
The current temperature in Lake Saint Louis is 27°C (80°F), clear (feels like 28°C).
What's the weather like in Lake Saint Louis right now?
Right now Lake Saint Louis has Clear, humidity 59%, wind 13 km/h SW.
What is today's forecast for Lake Saint Louis?
Today in Lake Saint Louis: high 39°C, low 25°C, sunny. Chance of rain: 2%.
What is the 7-day weather forecast for Lake Saint Louis?
Daily highs and lows for Lake Saint Louis:
- 2026-09-04: 39°C / 25°C
- 2026-09-05: 41°C / 28°C
- 2026-09-06: 35°C / 22°C
- 2026-09-07: 35°C / 20°C
- 2026-09-08: 41°C / 22°C
- 2026-09-09: 42°C / 27°C
- 2026-09-10: 40°C / 28°C
Is it going to rain in Lake Saint Louis today?
There is a 2% chance of rain in Lake Saint Louis today.
What is the wind speed in Lake Saint Louis right now?
Wind in Lake Saint Louis is currently 13 km/h (8 mph) from the SW.
What is the UV index in Lake Saint Louis right now?
The UV index in Lake Saint Louis is currently 0 (low). Sun protection is recommended when the index is 3 or higher.