O'Fallon, MO 18 March Weather

Altitude - 158m | 38°40′19″N,90°13′48″W | map (OSM)

O'Fallon, MO

°F

6:30 amSnow Shower14mphNW

Sun, March 16, 20257:01 AM (GMT -05:00)

Climatic norm in O'Fallon, MO Mar 18

37°
47°
57°

minimum
average
maximum

Tuesday Mar 18 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	55°	53°	52°	58°	71°	76°	74°	67°
wind	10mph	8mph	9mph	12mph	14mph	16mph	15mph	15mph
pressure in	29.39	29.35	29.30	29.29	29.23	29.15	29.10	29.10

Monday Mar 18 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	33°	30°	28°	30°	37°	40°	40°	33°
wind	8mph	8mph	8mph	12mph	15mph	14mph	11mph	5mph
pressure in	29.55	29.57	29.59	29.66	29.68	29.66	29.64	29.65

Saturday Mar 18 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	32°	30°	25°	22°	28°	30°	29°	26°
wind	7mph	12mph	14mph	15mph	18mph	17mph	15mph	10mph
pressure in	29.51	29.53	29.59	29.67	29.69	29.68	29.71	29.78

Friday Mar 18 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	60°	56°	55°	56°	58°	61°	61°	53°
wind	7mph	5mph	7mph	9mph	11mph	9mph	8mph	13mph
pressure in	29.28	29.22	29.16	29.12	29.07	28.99	28.97	29.05

Thursday Mar 18 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	48°	51°	48°	46°	42°	41°	41°	40°
wind	11mph	10mph	11mph	14mph	18mph	19mph	19mph	17mph
pressure in	28.95	28.90	28.90	28.98	29.15	29.27	29.40	29.55

Wednesday Mar 18 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	44°	44°	44°	46°	49°	57°	58°	56°
wind	6mph	5mph	6mph	8mph	6mph	6mph	4mph	3mph
pressure in	29.65	29.60	29.55	29.51	29.44	29.40	29.41	29.46

Monday Mar 18 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	37°	36°	33°	37°	46°	49°	49°	42°
wind	2mph	1mph	2mph	2mph	4mph	6mph	5mph	2mph
pressure in	29.79	29.79	29.81	29.86	29.88	29.82	29.80	29.82

* O'Fallon, MO weather for March 18 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 March 18, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on March 18 for previous years is presented.