Affton — Weather

Clear
20°C 68°F · Clear · 7% cloud cover
Feels like 20°C68°F · Low 19°C67°F · High 20°C68°F
Wind
3 km/h2 mph from SE
Humidity
63%
Pressure
1021 hPa30.15 inHg stable
UV Index
0.0 Low(night)

Unsettled — rain + thunderstorms

Affton: 20°C, partly cloudy now.

⛈️ Prolonged storm, moderate-intensity Sunday–Saturday, with rain and embedded thunderstorms. Total ~46.4 mm. Peak Sunday (24.1 mm). Above the monthly normal (~92 mm/month).

❄️ 3.9°C cooler than the June normal (24°C) — today peaks at 20°C.

Hourly forecast

Detailed forecast for the next 60 hours

10°C 50°F 15°C 59°F 20°C 68°F 25°C 77°F 30°C 86°F 35°C 95°F 0mm 0.00in 0.1mm 0.00in 0.2mm 0.01in 0.3mm 0.01in 0.4mm 0.02in 0.5mm 0.02in 22:0004:0010:0016:0022:0006:0012:0018:0000:0006:0009:00
Temperature Precipitation Wind
Now
Clear
20°C 68°F
3 2
63
23:00
Clear
19°C 67°F
3 2
65
00:00
Clear
19°C 65°F
3 2
68
01:00
Clear
18°C 64°F
4 2
71
02:00
Clear
17°C 63°F
4 2
73
03:00
Clear
17°C 62°F
3 2
74
04:00
Partly cloudy
17°C 62°F
2 1
74
05:00
Overcast
16°C 61°F
3 2
76
06:00
Overcast
16°C 60°F
4 2
79
07:00
Overcast
17°C 62°F
3 2
80
08:00
Overcast
20°C 67°F
4 2
79
09:00
Overcast
23°C 73°F
8 5
63
10:00
Overcast
24°C 75°F
11 7
62
11:00
Overcast
25°C 78°F
12 8
60
12:00
Overcast
27°C 81°F
13 8
53
13:00
Overcast
28°C 83°F
14 8
46
14:00
Overcast
29°C 83°F
14 9
43
15:00
Overcast
29°C 84°F
14 9
40
16:00
Partly cloudy
29°C 84°F
14 9
39
17:00
Overcast
29°C 84°F
14 8
41
18:00
Overcast
28°C 83°F
13 8
42
19:00
Overcast
27°C 81°F
11 7
48
20:00
Overcast
25°C 77°F
8 5
55
21:00
Overcast
24°C 75°F
10 6
60
22:00
Overcast
23°C 73°F
9 5
63
23:00
Overcast
22°C 72°F
7 5
66
00:00
Overcast
22°C 71°F
7 5
69
03:00
Clear
20°C 68°F
7 4
72
06:00
Clear
19°C 67°F
7 5
74
09:00
Partly cloudy
23°C 73°F
13 8
70
12:00
Partly cloudy
29°C 84°F
18 11
55
15:00
Partly cloudy
31°C 88°F
18 11
48
18:00
Clear
31°C 87°F
16 10
49
21:00
Overcast
26°C 80°F
10 6
65
00:00
Partly cloudy
24°C 75°F
7 4
76
03:00
Overcast
23°C 73°F
7 5
82
06:00
Overcast
22°C 71°F
7 4
83
09:00
Overcast
26°C 78°F
10 6
72
mmin km/hmph Humidity %

Daily Forecast

Clear
Today
· Clear
SE 3 km/h 2 mph (74) 64%
19°C 67°F
20°C 68°F
Today
Clear
Clear
64%
SE 3 km/h 2 mph
19°C 67°F
20°C 68°F
Overcast
Tomorrow
· Overcast
S 14 km/h 9 mph (3119) 61% UV 2
16°C 60°F
29°C 84°F
Tomorrow
Overcast
Overcast
61%
S 14 km/h 9 mph
16°C 60°F
29°C 84°F
Overcast
Friday
· Overcast
S 19 km/h 12 mph (4226) 63% UV 2
19°C 67°F
31°C 88°F
Friday
Overcast
Overcast
63%
S 19 km/h 12 mph
19°C 67°F
31°C 88°F
Overcast
Saturday
· Overcast
SW 16 km/h 10 mph (3421) 68% UV 2
22°C 71°F
31°C 87°F
Saturday
Overcast
Overcast
68%
SW 16 km/h 10 mph
22°C 71°F
31°C 87°F
Heavy rain
Sunday
· Heavy rain
24.1 mm 0.95 in · heavy S 16 km/h 10 mph (3220) 86% UV 2
22°C 71°F
28°C 82°F
Sunday
Heavy rain
Heavy rain
86%
S 16 km/h 10 mph
24.1 mm 0.95 in
22°C 71°F
28°C 82°F
Light rain
Monday
· Light rain
7.0 mm 0.27 in · heavy SE 19 km/h 12 mph (2818) 92% UV 2
21°C 70°F
27°C 80°F
Monday
Light rain
Light rain
92%
SE 19 km/h 12 mph
7.0 mm 0.27 in
21°C 70°F
27°C 80°F
Light rain
Tuesday
· Light rain
2.1 mm 0.08 in S 13 km/h 8 mph (2616) 90% UV 1
23°C 73°F
27°C 80°F
Tuesday
Light rain
Light rain
90%
S 13 km/h 8 mph
2.1 mm 0.08 in
23°C 73°F
27°C 80°F
Light rain
Wednesday
· Light rain
1.6 mm 0.06 in S 15 km/h 9 mph (3119) 85% UV 1
23°C 74°F
30°C 85°F
Wednesday
Light rain
Light rain
85%
S 15 km/h 9 mph
1.6 mm 0.06 in
23°C 74°F
30°C 85°F
Thunderstorm
Thursday
· Thunderstorm
8.4 mm 0.33 in · heavy NW 21 km/h 13 mph (3421) 82%
24°C 76°F
31°C 88°F
Thursday
Thunderstorm
Thunderstorm
82%
NW 21 km/h 13 mph
8.4 mm 0.33 in
24°C 76°F
31°C 88°F
Light rain
Friday
· Light rain
1.5 mm 0.06 in N 8 km/h 5 mph (149) 86%
22°C 72°F
28°C 82°F
Friday
Light rain
Light rain
86%
N 8 km/h 5 mph
1.5 mm 0.06 in
22°C 72°F
28°C 82°F
Light rain
Saturday
· Light rain
1.8 mm 0.07 in NE 16 km/h 10 mph (2516) 82%
23°C 73°F
30°C 86°F
Saturday
Light rain
Light rain
82%
NE 16 km/h 10 mph
1.8 mm 0.07 in
23°C 73°F
30°C 86°F
Drizzle
Sunday
· Drizzle
NE 22 km/h 13 mph (3924) 82%
23°C 73°F
29°C 85°F
Sunday
Drizzle
Drizzle
82%
NE 22 km/h 13 mph
23°C 73°F
29°C 85°F
Clear
Monday
· Clear
E 18 km/h 11 mph (3623) 73%
18°C 65°F
27°C 81°F
Monday
Clear
Clear
73%
E 18 km/h 11 mph
18°C 65°F
27°C 81°F
Clear
Tuesday
· Clear
E 13 km/h 8 mph (2616) 78%
19°C 66°F
30°C 85°F
Tuesday
Clear
Clear
78%
E 13 km/h 8 mph
19°C 66°F
30°C 85°F
Clear
Wednesday
· Clear
SE 16 km/h 10 mph (2818) 84%
19°C 66°F
26°C 79°F
Wednesday
Clear
Clear
84%
SE 16 km/h 10 mph
19°C 66°F
26°C 79°F
Clear
Thursday
· Clear
SE 19 km/h 12 mph (3220) 85%
20°C 68°F
28°C 83°F
Thursday
Clear
Clear
85%
SE 19 km/h 12 mph
20°C 68°F
28°C 83°F
Sunrise
05:37 AM
Civil Dawn 05:07 AM
Sunset
08:21 PM
Civil Dusk 08:51 PM
Today vs. seasonal normal
-9.8°C-17.6°F
High 29.8°C86°F · Low 18.0°C64°F · Normal for this month

Affton is located in Missouri, United States. Elevation: 188m. Annual average temperature: 13°C. Annual precipitation: 980mm.

Frequently Asked Questions

What is the weather like in Affton today?

Today in Affton, United States, the temperature is 20°C with Clear. The high is 20°C and the low is 19°C.

What is the 16-day forecast for Affton?

The 16-day forecast for Affton shows the warmest day is Friday at 31°C, while the coolest night is Thursday at 16°C. 7 day(s) have precipitation expected.

What time is sunrise and sunset in Affton?

In Affton, sunrise is at 12:37 PM and sunset is at 03:21 AM. Day length is approximately 14h 43m.

How accurate is the weather forecast for Affton?

Our forecasts for Affton use the DWD ICON model, one of the world's most advanced weather prediction systems. Accuracy is typically 85-90% for 1-3 day forecasts. Affton has an annual average temperature of 13°C and receives 980mm of precipitation per year.

Last updated: 06/03/2026, 10:00 PM

June climate in Affton

Normals for June: average 24°C (18–30°C), around 92 mm of rain across the month. About 11°C warmer than the annual average of 13°C.

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