temperatures.com

St. Louis, MO Hourly Forecast

Missouri, United States 🇺🇸
93°
Sunny Feels like 102°
Updated 3 hours ago

St. Louis temperature trend - Next 24 hours

95° 1 PM 1 PM - 95°F (35°C), Sunny 2 PM - 97°F (36°C), Sunny 3 PM - 99°F (37°C), Sunny 92° 4 PM 4 PM - 92°F (33°C), Sunny 5 PM - 92°F (34°C), Sunny 6 PM - 91°F (33°C), Overcast, 10% precip 86° 7 PM 7 PM - 86°F (30°C), Overcast, 10% precip 8 PM - 81°F (27°C), Partly Cloudy, 7% precip 9 PM - 79°F (26°C), Clear 78° 10 PM 10 PM - 78°F (25°C), Clear, 5% precip 11 PM - 77°F (25°C), Clear, 5% precip 12 AM - 76°F (25°C), Clear, 5% precip 76° 1 AM 1 AM - 76°F (24°C), Clear, 5% precip 2 AM - 75°F (24°C), Clear, 5% precip 3 AM - 74°F (23°C), Clear, 5% precip 73° 4 AM 4 AM - 73°F (23°C), Clear, 6% precip 5 AM - 72°F (22°C), Clear, 6% precip 6 AM - 71°F (22°C), Clear, 7% precip 70° 7 AM 7 AM - 70°F (21°C), Partly Cloudy, 11% precip 8 AM - 71°F (22°C), Sunny, 6% precip 9 AM - 75°F (24°C), Sunny 79° 10 AM 10 AM - 79°F (26°C), Sunny 11 AM - 82°F (28°C), Overcast, 11% precip 12 PM - 85°F (29°C), Partly Cloudy

The next 24 hours at a glance

  • Warmest hour: 3 PM - around 99°
  • Coolest hour: 7 AM - around 70°
  • Rain risk: low all day (peaks at 11%)
  • UV peak: 1 PM at index 8 - sun protection recommended
  • Windiest: 8 PM at 12 mph

St. Louis hourly weather - Wednesday, August 26

In St. Louis, expect a high near 99°F (37°C) around 3 PM and a low of 77°F (25°C) near 11 PM, with no meaningful precipitation risk.

TimeConditionsTemp FeelsRainWind HumidityUV
1 PM Sunny 95° 106° 2% 6 mph WSW 50% 8
2 PM Sunny 97° 108° 1% 6 mph WNW 47% 8
3 PM Sunny 99° 107° 1% 6 mph NW 41% 6
4 PM Sunny 92° 93° 1% 5 mph NW 37% 4
5 PM Sunny 92° 94° 1% 3 mph WNW 35% 2
6 PM Overcast 91° 92° 10% 5 mph NW 37% 1
7 PM Overcast 86° 86° 10% 11 mph NNE 47% 0
8 PM Partly Cloudy 81° 82° 7% 12 mph NE 56% 0
9 PM Clear 79° 80° 4% 8 mph NE 61% 0
10 PM Clear 78° 79° 5% 7 mph ENE 67% 0
11 PM Clear 77° 79° 5% 6 mph ENE 68% 0

St. Louis hourly weather - Thursday, August 27

In St. Louis, expect a high near 88°F (31°C) around 3 PM and a low of 70°F (21°C) near 7 AM, with no meaningful precipitation risk.

TimeConditionsTemp FeelsRainWind HumidityUV
12 AM Clear 76° 79° 5% 5 mph ENE 68% 0
1 AM Clear 76° 79° 5% 4 mph ENE 68% 0
2 AM Clear 75° 78° 5% 3 mph ENE 68% 0
3 AM Clear 74° 77° 5% 2 mph NE 70% 0
4 AM Clear 73° 76° 6% 2 mph ENE 71% 0
5 AM Clear 72° 75° 6% 2 mph NE 72% 0
6 AM Clear 71° 73° 7% 4 mph NNE 74% 0
7 AM Partly Cloudy 70° 72° 11% 5 mph N 75% 0
8 AM Sunny 71° 72° 6% 4 mph NNE 70% 1
9 AM Sunny 75° 76° 4% 4 mph NNE 62% 2
10 AM Sunny 79° 80° 3% 5 mph N 55% 4
11 AM Overcast 82° 83° 11% 5 mph N 48% 6
12 PM Partly Cloudy 85° 84° 4% 5 mph NNW 41% 7
1 PM Cloudy 86° 85° 6% 6 mph N 36% 8
2 PM Overcast 88° 85° 8% 7 mph N 33% 7
3 PM Sunny 88° 85° 1% 7 mph N 31% 6
4 PM Sunny 88° 85° 1% 7 mph NNE 32% 4
5 PM Sunny 87° 85° 1% 7 mph NE 33% 2
6 PM Sunny 86° 84° 1% 8 mph NE 38% 1
7 PM Sunny 83° 83° 1% 7 mph ENE 45% 0
8 PM Clear 80° 81° 2% 6 mph ENE 52% 0
9 PM Clear 78° 80° 3% 5 mph ENE 58% 0
10 PM Clear 76° 78° 4% 5 mph ENE 62% 0
11 PM Clear 75° 77° 4% 4 mph ENE 65% 0

St. Louis hourly weather - Friday, August 28

In St. Louis, expect a high near 88°F (31°C) around 2 PM and a low of 69°F (21°C) near 7 AM, with no meaningful precipitation risk.

TimeConditionsTemp FeelsRainWind HumidityUV
12 AM Clear 74° 76° 5% 5 mph E 68% 0
1 AM Clear 73° 75° 6% 5 mph E 70% 0
2 AM Clear 72° 74° 7% 4 mph ESE 73% 0
3 AM Clear 72° 74° 7% 4 mph ESE 75% 0
4 AM Clear 71° 73° 8% 4 mph E 77% 0
5 AM Clear 70° 73° 9% 3 mph ESE 79% 0
6 AM Clear 69° 72° 9% 3 mph ESE 80% 0
7 AM Sunny 69° 71° 9% 4 mph ESE 80% 0
8 AM Sunny 71° 72° 6% 4 mph ESE 72% 6
9 AM Sunny 74° 76° 4% 5 mph ESE 65% 6
10 AM Sunny 78° 80° 3% 4 mph ESE 57% 7
11 AM Sunny 82° 82° 2% 4 mph E 50% 7
12 PM Sunny 85° 85° 1% 4 mph ENE 44% 7
1 PM Sunny 87° 87° 1% 5 mph ENE 40% 8
2 PM Sunny 88° 86° 1% 7 mph ENE 36% 8
3 PM Sunny 84° 81° 1% 8 mph ENE 36% 7
4 PM Sunny 84° 81° 1% 8 mph ENE 37% 7
5 PM Sunny 83° 80° 1% 8 mph ENE 39% 7
6 PM Sunny 81° 81° 1% 8 mph ENE 43% 7
7 PM Sunny 79° 80° 2% 5 mph E 48% 7
8 PM Overcast 78° 78° 12% 5 mph ESE 52% 0
9 PM Overcast 76° 76° 13% 6 mph ESE 56% 0
10 PM Clear 75° 74° 3% 6 mph ESE 57% 0
11 PM Overcast 75° 74° 13% 6 mph SE 56% 0

Quick answers for the hours ahead

What is the warmest hour in St. Louis today?
3 PM is forecast to be the warmest, at about 99°F (37°C) with sunny.
Will it rain in St. Louis tonight?
Unlikely - the evening precipitation chance stays at or below 10%.
When is the UV index highest in St. Louis today?
Around 1 PM, when it reaches 8. From UV 3 upward, sun protection is recommended.

St. Louis hour-by-hour: what to expect

Over the next 24 hours in St. Louis, temperatures range from 70°F (21°C) around 7 AM up to 99°F (37°C) near 3 PM - about 14°F (8°C) above the typical August high of 85°F (30°C).

Precipitation chances stay minimal throughout, so plans can skip the umbrella. UV reaches 8 (1 PM) - sun protection recommended through midday.

The “feels like” column blends humidity and wind into an apparent temperature - see how it works in our feels-like temperature guide. Planning further ahead? Check the St. Louis 14-day forecast or the monthly climate averages.