St. Louis 7-day weather forecast

Written by:
March 23, 2026
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St. Louis 7-day weather forecast

Stacker created the forecast for St. Louis, Missouri using data from OpenWeather. This week's high is 79 °F on Thursday, while the low is 43 °F on Monday. There are expected to be 2 sunny days and rain on 2 days this week.

There are currently no weather alerts.

Monday, April 20

- High of 73 °F, low of 43 °F (41% humidity)
- Sunny with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Gentle breeze (8 mph wind)
- Sunrise at 6:17 AM, sunset at 7:41 PM
1 / 6
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Tuesday, April 21

- High of 77 °F, low of 52 °F (36% humidity)
- Overcast with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:16 AM, sunset at 7:42 PM
2 / 6
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Wednesday, April 22

- High of 71 °F, low of 55 °F (56% humidity)
- Mostly sunny with a 0% chance of rain
- High risk of harm from sun exposure (7 UV index)
- Gentle breeze (11 mph wind)
- Sunrise at 6:14 AM, sunset at 7:43 PM
3 / 6
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Thursday, April 23

- High of 79 °F, low of 57 °F (48% humidity)
- Partly cloudy with a 0% chance of rain
- Very high risk of harm from sun exposure (7 UV index)
- Moderate breeze (16 mph wind)
- Sunrise at 6:13 AM, sunset at 7:44 PM
- First quarter moon
4 / 6
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Friday, April 24

- High of 72 °F, low of 61 °F (79% humidity)
- Overcast with a 100% chance of rain (21 mm of rain)
- Moderate breeze (14 mph wind)
- Sunrise at 6:12 AM, sunset at 7:45 PM
5 / 6
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Saturday, April 25

- High of 68 °F, low of 52 °F (41% humidity)
- Partly cloudy with a 0% chance of rain
- Gentle breeze (10 mph wind)
- Sunrise at 6:10 AM, sunset at 7:46 PM
6 / 6
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Sunday, April 26

- High of 69 °F, low of 54 °F (48% humidity)
- Overcast with a 100% chance of rain (1 mm of rain)
- Gentle breeze (8 mph wind)
- Sunrise at 6:09 AM, sunset at 7:47 PM

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