St. Louis, Missouri · now
Clear
- High / Low
- 76° / 47°
- Wind
- 17 mph W
- Humidity
- 49%
Tomorrow· Thursday75°/58°· Sunny
4° warmer than yesterday at this time
Current weather and 7-day forecast for St. Louis, Missouri, sourced directly from the National Weather Service. Expect sunny today. Today's high is 76° with a low near 47°.
What to wear today
T-shirt and shorts weather
76°F today — easy summer dressing.
Temperature · next 24 hours
Next 24 hours
-
7 AM
63°
0%
-
9 AM
67°
0%
-
11 AM
71°
0%
-
1 PM
74°
0%
-
3 PM
76°
0%
-
5 PM
76°
0%
-
7 PM
74°
0%
-
9 PM
65°
0%
-
11 PM
58°
0%
-
1 AM
53°
0%
-
3 AM
51°
0%
-
5 AM
48°
0%
Live radar
View full radar →7 days
- Today 5/13 Sunny 0% 76° · 47°
- Thu 5/14 Sunny 41% 75° · 58°
- Fri 5/15
Chance Showers And Thunderstorms 46% 85° · 66° - Sat 5/16 Chance Showers And Thunderstorms 51% 89° · 66°
- Sun 5/17 Slight Chance Showers And Thunderstorms then Mostly Sunny 23% 92° · 71°
- Mon 5/18 Chance Showers And Thunderstorms 58% 94° · 69°
- Tue 5/19 Showers And Thunderstorms Likely 71% 82° · 62°
Extended outlook days 8–16
- Wed 5/20
Drizzle 46% 67° · 59° - Thu 5/21
Cloudy 20% 75° · 54° - Fri 5/22 Cloudy 19% 79° · 58°
- Sat 5/23 Cloudy 20% 89° · 62°
- Sun 5/24 Drizzle 32% 90° · 70°
- Mon 5/25 Drizzle 26% 87° · 69°
- Tue 5/26 Drizzle 32% 78° · 70°
- Wed 5/27 Drizzle 30% 79° · 65°
- Thu 5/28 Cloudy 35% 70° · 59°
Days 8+ from the Open-Meteo multi-model ensemble — treat as a guide; accuracy drops past day 7.
Best time to head outside
Picks the upcoming daytime hour with the most favorable conditions for each activity. Factors in temperature, wind, precipitation timing, and pollen.
- Run8 AM
comfortable at 65°F · light wind (8 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100 - Bike8 AM
comfortable at 65°F · light wind (8 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100 - Golf8 AM
comfortable at 65°F · light wind (8 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100 - Picnic10 AM
comfortable at 69°F · light wind (12 mph) · no rain expected · pollen high today — allergy sufferers, take note
Excellent100 / 100
Climate normals
What weather to expect in St. Louis
St. Louis in May typically averages 74° highs and 56° lows, with about 17 days of rain. The hottest stretch is July (average high 88°); the coldest is January (average low 21°). July is the wettest month on average.
| Month | Avg high | Avg low | Rainy days |
|---|---|---|---|
| Jan | 36° | 21° | 8 |
| Feb | 45° | 28° | 8 |
| Mar | 64° | 42° | 15 |
| Apr | 69° | 52° | 17 |
| May | 74° | 56° | 17 |
| Jun | 86° | 68° | 14 |
| Jul | 88° | 71° | 19 |
| Aug | 86° | 69° | 9 |
| Sep | 82° | 63° | 11 |
| Oct | 72° | 52° | 7 |
| Nov | 56° | 42° | 10 |
| Dec | 45° | 30° | 12 |
Normals derived from the past two years of observations via Open-Meteo's historical archive.
More for St. Louis
Other cities in Missouri