This page presents a long range weather forecast for St. Louis in May as well as other months. You can quickly get a brief overview of the weather to expect in May on a daily basis.
The St. Louis extended forecast data provided is based on the average values of previous years.
Long range weather forecast
Select a month and click on a day for more information:
Wednesday
May 1
23° / 12°
Thursday
May 2
27° / 15°
Friday
May 3
22° / 15°
Saturday
May 4
16° / 7°
Sunday
May 5
19° / 7°
Monday
May 6
20° / 11°
Tuesday
May 7
21° / 10°
Wednesday
May 8
25° / 13°
Thursday
May 9
16° / 11°
Friday
May 10
12° / 8°
Saturday
May 11
17° / 7°
Sunday
May 12
16° / 7°
Monday
May 13
17° / 9°
Tuesday
May 14
20° / 9°
Wednesday
May 15
21° / 12°
Thursday
May 16
18° / 12°
Friday
May 17
19° / 10°
Saturday
May 18
23° / 11°
Sunday
May 19
23° / 14°
Monday
May 20
20° / 12°
Tuesday
May 21
22° / 12°
Wednesday
May 22
23° / 12°
Thursday
May 23
25° / 14°
Friday
May 24
24° / 13°
Saturday
May 25
26° / 15°
Sunday
May 26
24° / 16°
Monday
May 27
23° / 13°
Tuesday
May 28
22° / 14°
Wednesday
May 29
21° / 12°
Thursday
May 30
23° / 13°
Friday
May 31
24° / 14°
St. Louis 30 days weather forecast
Check out our estimated 30 days weather forecast for St. Louis, as mentioned above it based on the average weather in St. Louis in the last few years and not on forecast models.
For a more accurate and detailed forecast, check out the 14 day weather for St. Louis next to the desired date.
Our long range weather data for St. Louis is updated daily in order to provide you with the most accurate weather data.