O Fallon, MO 1 December Weather

Altitude - 153m | 38°48′36″N,90°42′0″W | map (OSM)

O Fallon, MO

°F

4 amCloudy4mphE

Wed, November 19, 20254:35 AM (GMT -06:00)

Climatic norm in O Fallon, MO Dec 1

29°
38°
47°

minimum
average
maximum

Monday Dec 1 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	31°	31°	30°	33°	37°	39°	35°	31°
wind	6mph	6mph	6mph	8mph	9mph	9mph	6mph	5mph
pressure in	29.69	29.70	29.71	29.73	29.74	29.73	29.73	29.73

Sunday Dec 1 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	24°	24°	22°	24°	30°	32°	27°	23°
wind	3mph	3mph	3mph	5mph	7mph	8mph	4mph	3mph
pressure in	29.71	29.73	29.75	29.80	29.79	29.78	29.80	29.82

Friday Dec 1 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	45°	43°	44°	46°	50°	52°	48°	44°
wind	8mph	8mph	6mph	7mph	8mph	9mph	8mph	7mph
pressure in	29.25	29.18	29.18	29.19	29.19	29.20	29.29	29.37

Thursday Dec 1 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	25°	23°	23°	29°	38°	42°	39°	38°
wind	2mph	1mph	1mph	6mph	10mph	11mph	10mph	9mph
pressure in	29.93	29.94	29.95	29.94	29.89	29.80	29.73	29.67

Wednesday Dec 1 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	44°	44°	44°	47°	58°	63°	54°	50°
wind	2mph	4mph	3mph	4mph	7mph	8mph	5mph	5mph
pressure in	29.53	29.48	29.45	29.44	29.39	29.38	29.42	29.42

Tuesday Dec 1 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	25°	23°	22°	27°	37°	42°	33°	27°
wind	6mph	4mph	3mph	4mph	4mph	4mph	2mph	1mph
pressure in	29.58	29.58	29.59	29.61	29.61	29.59	29.61	29.65

Sunday Dec 1 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	45°	41°	37°	39°	39°	38°	37°	35°
wind	10mph	13mph	16mph	19mph	21mph	21mph	18mph	17mph
pressure in	28.94	28.92	28.93	28.98	29.07	29.14	29.25	29.34

Saturday Dec 1 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	48°	50°	53°	59°	63°	62°	56°	51°
wind	12mph	15mph	13mph	13mph	16mph	15mph	14mph	11mph
pressure in	29.13	28.98	28.85	28.80	28.73	28.71	28.77	28.81

* O Fallon, MO weather for December 1 is prepared on the basis of GFS data and is intended for personal use in the "as is" (as is) format. You can see on this page O Fallon, MO Weather for December 1, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on December 1 for previous years is presented.