0in

Rain Today

Rain Last Hour
0in

Recorded at St. Louis Downtown Airport Updated 16 mins ago (10 miles away)

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Real-Time Extremes

Hottest 121.9 °F
Tanana, Calhoun Memorial Airport, AK
Coldest 28.3 °F
Anaktuvuk Pass, Anaktuvuk Pass Airport, AK
Windiest 27.5mph
Hill City, Hill City Municipal Airport, KS
Wettest (Last Hour) 0.5in
Hastings, Hastings Municipal Airport, NE
Most Humid 100%
Hotel (Gurley), NE
Least Humid 9%
Nellis Air Force Base, NV
Highest Pressure 1039.3 hPa
Salida - Monarch Pass, CO
Lowest Pressure 985.4 hPa
Shemya, Eareckson AFB, AK

Trending Locations

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Affton Rainfall Forecast

Today 17 Sep
No Rain
Thu 18 Sep
5%
Fri 19 Sep
40%
Sat 20 Sep
35%
Sun 21 Sep
30%
Mon 22 Sep
35%
Tue 23 Sep
30%

Affton Rainfall Statistics

September Rainfall

St. Louis Downtown Airport (9.9 miles)

Total Rainfall 2025
30.9in
Daily Average 2025
0.1in
Wettest Day 4 April, 2025
2.5in
Wet Days 2025
71/260 (27%)
Total Rainfall August
1.7in
Daily Average August
0.1in
Wettest Day 10 August, 2025
1.2in
Wet Days August
3/31 (10%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 4 September, 2025
0.1in
Wet Days September
2/17 (12%)

Climate (2010–Present)

St. Louis Downtown Airport (9.9 miles)

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Annual Average 2020–2024
45.4in
Monthly Average 2020–2025
3.7in
Daily Average 2020–2025
0.1in
Wettest Day 26 July, 2022
7.2in

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