St. Louis, MO 14-Day Forecast
Missouri, United States 🇺🇸
87°
Sunny right now
Today: high 96°, low 74°
Updated 13 min ago
St. Louis weather for the next 14 days
Saturday, July 18
Sunny High 93° Low 74°Precipitation
36%
· 0.03 in
Max wind
11 mph
Humidity
68%
UV index
10 - Very High
Sunrise / sunset
05:50 AM / 08:23 PM
Sunday, July 19
Sunny High 95° Low 74°Precipitation
57%
· 0.04 in
Max wind
7 mph
Humidity
71%
UV index
9 - Very High
Sunrise / sunset
05:51 AM / 08:22 PM
Monday, July 20
Sunny High 99° Low 76°Precipitation
5%
· 0.0 in
Max wind
9 mph
Humidity
66%
UV index
9 - Very High
Sunrise / sunset
05:52 AM / 08:21 PM
Tuesday, July 21
Sunny High 93° Low 71°Precipitation
17%
· 0.0 in
Max wind
14 mph
Humidity
57%
UV index
8 - Very High
Sunrise / sunset
05:53 AM / 08:21 PM
Wednesday, July 22
Sunny High 76° Low 64°Precipitation
4%
· 0.0 in
Max wind
12 mph
Humidity
60%
UV index
6 - High
Sunrise / sunset
05:54 AM / 08:20 PM
Thursday, July 23
Partly Cloudy High 77° Low 59°Precipitation
6%
· 0.0 in
Max wind
4 mph
Humidity
65%
UV index
7 - High
Sunrise / sunset
05:54 AM / 08:19 PM
Friday, July 24
Sunny High 76° Low 64°Precipitation
6%
· 0.0 in
Max wind
6 mph
Humidity
66%
UV index
6 - High
Sunrise / sunset
05:55 AM / 08:18 PM
Saturday, July 25
Sunny High 83° Low 65°Precipitation
8%
· 0.0 in
Max wind
7 mph
Humidity
70%
UV index
7 - High
Sunrise / sunset
05:56 AM / 08:18 PM
Sunday, July 26
Sunny High 84° Low 66°Precipitation
7%
· 0.0 in
Max wind
9 mph
Humidity
73%
UV index
7 - High
Sunrise / sunset
05:57 AM / 08:17 PM
Monday, July 27
Sunny High 86° Low 66°Precipitation
5%
· 0.0 in
Max wind
8 mph
Humidity
70%
UV index
8 - Very High
Sunrise / sunset
05:58 AM / 08:16 PM
Tuesday, July 28
Sunny High 93° Low 68°Precipitation
4%
· 0.0 in
Max wind
11 mph
Humidity
64%
UV index
8 - Very High
Sunrise / sunset
05:59 AM / 08:15 PM
Wednesday, July 29
Sunny High 104° Low 72°Precipitation
4%
· 0.0 in
Max wind
13 mph
Humidity
59%
UV index
9 - Very High
Sunrise / sunset
05:59 AM / 08:14 PM
Thursday, July 30
Sunny High 100° Low 78°Precipitation
36%
· 0.02 in
Max wind
12 mph
Humidity
56%
UV index
9 - Very High
Sunrise / sunset
06:00 AM / 08:13 PM
St. Louis 14-day outlook: the story
The warmest day of St. Louis's 14-day outlook is Wednesday, July 29 with a high near 104°F (40°C); the coolest night comes Thursday, July 23, dipping to 59°F (15°C). Temperatures hold fairly steady from week to week. Highs over the next two weeks average 90°F (32°C), right in line with the typical July high of 88°F (31°C).
Precipitation is most likely on Sunday 19; the wettest day looks like Sunday, July 19 with about 0.04 in (1.0 mm) expected. For the weekend, expect Saturday 93°F (34°C) and sunny / Sunday 95°F (35°C) and sunny.
For typical conditions month by month, see the St. Louis climate & average temperatures guide.
St. Louis forecast questions
Will it rain in St. Louis this week?
The forecast currently shows meaningful precipitation chances on 1 of the next 14 days, peaking around Sunday, July 19.
What will be the warmest day in St. Louis over the next 14 days?
Wednesday, July 29, with a forecast high near 104°F (40°C).
How accurate is a 14-day forecast for St. Louis?
Days 1-3 are highly reliable, days 4-7 capture the overall pattern well, and days 8-14 indicate trends rather than exact figures - check back as the date approaches; this page refreshes throughout the day.
Average temperatures in St. Louis by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 41° | 25° | 9 | 3.2 in | 5.7 h/day | 69% |
| February | 46° | 27° | 8 | 2.7 in | 7.1 h/day | 66% |
| March | 57° | 38° | 13 | 5.5 in | 7.5 h/day | 67% |
| April | 66° | 46° | 11 | 5.0 in | 9.0 h/day | 65% |
| May | 76° | 58° | 14 | 5.4 in | 10.2 h/day | 71% |
| June | 86° | 67° | 11 | 4.5 in | 11.6 h/day | 68% |
| July | 88° | 71° | 13 | 6.9 in | 11.8 h/day | 73% |
| August | 85° | 69° | 13 | 5.4 in | 11.0 h/day | 74% |
| September | 82° | 63° | 8 | 4.7 in | 10.2 h/day | 69% |
| October | 69° | 51° | 9 | 3.6 in | 8.1 h/day | 67% |
| November | 55° | 38° | 9 | 3.3 in | 7.0 h/day | 69% |
| December | 47° | 31° | 8 | 3.2 in | 6.0 h/day | 71% |
14-day forecasts nearby