St. Louis, MO 14-Day Forecast
Missouri, United States 🇺🇸
78°
Sunny right now
Today: high 78°, low 55°
Updated 4 hours ago
St. Louis weather for the next 14 days
Tuesday, October 6
Sunny High 81° Low 57°Precipitation
1%
· 0.0 in
Max wind
7 mph
Humidity
36%
UV index
5 - Moderate
Sunrise / sunset
07:01 AM / 06:36 PM
Wednesday, October 7
Sunny High 88° Low 62°Precipitation
1%
· 0.0 in
Max wind
8 mph
Humidity
40%
UV index
5 - Moderate
Sunrise / sunset
07:02 AM / 06:34 PM
Thursday, October 8
Sunny High 83° Low 62°Precipitation
1%
· 0.0 in
Max wind
8 mph
Humidity
46%
UV index
5 - Moderate
Sunrise / sunset
07:03 AM / 06:33 PM
Friday, October 9
Sunny High 84° Low 60°Precipitation
36%
· 0.02 in
Max wind
9 mph
Humidity
31%
UV index
5 - Moderate
Sunrise / sunset
07:04 AM / 06:31 PM
Saturday, October 10
Overcast High 82° Low 64°Precipitation
8%
· 0.0 in
Max wind
10 mph
Humidity
36%
UV index
6 - High
Sunrise / sunset
07:05 AM / 06:30 PM
Sunday, October 11
Sunny High 80° Low 61°Precipitation
69%
· 0.24 in
Max wind
11 mph
Humidity
68%
UV index
7 - High
Sunrise / sunset
07:06 AM / 06:28 PM
Monday, October 12
Overcast High 87° Low 65°Precipitation
8%
· 0.0 in
Max wind
7 mph
Humidity
46%
UV index
7 - High
Sunrise / sunset
07:07 AM / 06:27 PM
Tuesday, October 13
Overcast High 87° Low 69°Precipitation
7%
· 0.0 in
Max wind
15 mph
Humidity
45%
UV index
8 - Very High
Sunrise / sunset
07:08 AM / 06:25 PM
Wednesday, October 14
Light rain shower High 76° Low 65°Precipitation
82%
· 0.66 in
Max wind
17 mph
Humidity
76%
UV index
5 - Moderate
Sunrise / sunset
07:09 AM / 06:24 PM
Thursday, October 15
Sunny High 66° Low 58°Precipitation
6%
· 0.0 in
Max wind
14 mph
Humidity
54%
UV index
5 - Moderate
Sunrise / sunset
07:10 AM / 06:23 PM
Friday, October 16
Overcast High 63° Low 55°Precipitation
14%
· 0.0 in
Max wind
10 mph
Humidity
61%
UV index
5 - Moderate
Sunrise / sunset
07:11 AM / 06:21 PM
Saturday, October 17
Overcast High 63° Low 57°Precipitation
15%
· 0.0 in
Max wind
6 mph
Humidity
62%
UV index
4 - Moderate
Sunrise / sunset
07:12 AM / 06:20 PM
Sunday, October 18
Overcast High 63° Low 56°Precipitation
14%
· 0.0 in
Max wind
9 mph
Humidity
60%
UV index
4 - Moderate
Sunrise / sunset
07:13 AM / 06:18 PM
St. Louis 14-day outlook: the story
The warmest day of St. Louis's 14-day outlook is Wednesday, October 7 with a high near 88°F (31°C); the coolest night comes Friday, October 16, dipping to 55°F (13°C). The trend points cooler: week two runs about 10°F below week one. Highs over the next two weeks average 82°F (28°C), about 13°F (7°C) above the typical October high of 69°F (20°C).
Precipitation is most likely on Sunday 11, Wednesday 14; the wettest day looks like Wednesday, October 14 with about 0.66 in (16.9 mm) expected. For the weekend, expect Saturday 82°F (28°C) and overcast / Sunday 80°F (27°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 2 of the next 14 days, peaking around Wednesday, October 14.
What will be the warmest day in St. Louis over the next 14 days?
Wednesday, October 7, with a forecast high near 88°F (31°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 | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 41° | 25° | 9 | 3.2 in | 5.7 h/day | 9.7 h | 28% | 69% |
| February | 46° | 27° | 8 | 2.7 in | 7.1 h/day | 10.7 h | 30% | 66% |
| March | 57° | 38° | 13 | 5.5 in | 7.5 h/day | 11.8 h | 41% | 67% |
| April | 66° | 46° | 11 | 5.0 in | 9.0 h/day | 13.2 h | 38% | 65% |
| May | 76° | 58° | 14 | 5.4 in | 10.2 h/day | 14.3 h | 46% | 71% |
| June | 86° | 67° | 11 | 4.5 in | 11.6 h/day | 14.8 h | 36% | 68% |
| July | 88° | 71° | 13 | 6.9 in | 11.8 h/day | 14.6 h | 43% | 73% |
| August | 85° | 69° | 13 | 5.4 in | 11.0 h/day | 13.7 h | 41% | 74% |
| September | 82° | 63° | 8 | 4.7 in | 10.2 h/day | 12.4 h | 27% | 69% |
| October | 69° | 51° | 9 | 3.6 in | 8.1 h/day | 11.1 h | 28% | 67% |
| November | 55° | 38° | 9 | 3.3 in | 7.0 h/day | 10.0 h | 30% | 69% |
| December | 47° | 31° | 8 | 3.2 in | 6.0 h/day | 9.5 h | 25% | 71% |
14-day forecasts nearby