O Fallon, MO 63366 Weather Forecast

Now · 2:52 PM

58°

Clear · Feels like 54°

Dry for the next 24 hours. Warmer tomorrow, high 70°.

High

62°

Low

39°

Rain

0%

Sunset

6:23 PM

🌧️ Next hour

Minute by minute

Clear, cooling to 57° by 3 PM.

No precipitation expected in the next hour.

Feels like

52°

Wind

3 mph N

Rain chance

0%

Humidity

42%

Hourly

Full hourly

1. Now 60° 💧0%
2. 3 PM 57° 💧0%
3. 4 PM 62° 💧0%
4. 5 PM 61° 💧0%
5. 6 PM 58° 💧0%
6. 7 PM 52° 💧0%
7. 8 PM 49° 💧0%
8. 9 PM 47° 💧0%
9. 10 PM 46° 💧0%
10. 11 PM 45° 💧0%
11. 12 AM 44° 💧0%
12. 1 AM 42° 💧0%
13. 2 AM 41° 💧0%
14. 3 AM 41° 💧0%
15. 4 AM 40° 💧0%
16. 5 AM 39° 💧0%
17. 6 AM 39° 💧0%
18. 7 AM 39° 💧0%
19. 8 AM 41° 💧0%
20. 9 AM 47° 💧0%
21. 10 AM 54° 💧0%
22. 11 AM 58° 💧0%
23. 12 PM 64° 💧0%
24. 1 PM 67° 💧0%

Live radar

Open full map

Radar Satellite Temperature Wind Feels like Air quality Lightning

10-day forecast

Full 10-day

1. Today Clear 💧0% 39° 62°
2. Sun 18 Clear 💧0% 39° 70°
3. Mon 19 Mostly clear 💧0% 39° 72°
4. Tue 20 Mostly clear 💧0% 42° 75°
5. Wed 21 Mostly clear 💧0% 44° 78°
6. Thu 22 Clear 💧0% 48° 79°
7. Fri 23 Mostly clear 💧0% 50° 79°
8. Sat 24 Mostly cloudy 💧0% 52° 81°
9. Sun 25 Mostly cloudy 💧0% 55° 78°
10. Mon 26 Mostly cloudy 💧15% 53° 76°

14-day outlook & extended hourly ★ Premium

👕 Feels like

Today

High Low

Feels like UV index Air quality Wind Humidity Rain chance Visibility Pressure

Today17 Sun18 Mon19 Tue20 Wed21 Thu22 Fri23 Sat24 Sun25 Mon26

Today’s details

Wind 2 mphS · gusts 8

Humidity Comfortable

UV index Moderate

Air quality Good

Dew point36°Comfortable

Pressure30.47inHg · ↓ falling

Visibility10mi

Sun 7:15 AM – 6:23 PM11h 08m of daylight

About ZIP code 63366

ZIP code 63366 is O Fallon, in Saint Charles County, Missouri. This forecast is for the centre of the ZIP area at 38.858°, -90.725°. Right now it’s 58° and clear; today’s high is 62° with a 0% chance of rain.

Nearby ZIP codes

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