Saint Catharines 18 December Weather

Altitude - 105m | 43°9′22″N,79°14′56″W | map (OSM)

Saint Catharines

°F

3:30 pmCloudy13mphW

Sat, December 6, 20254:20 PM (GMT -05:00)

Climatic norm in Saint Catharines Dec 18

20°
27°
34°

minimum
average
maximum

Thursday Dec 18 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	26°	25°	25°	26°	28°	29°	27°	26°
wind	12mph	12mph	12mph	13mph	14mph	14mph	13mph	14mph
pressure in	29.71	29.71	29.70	29.68	29.64	29.63	29.62	29.60

Wednesday Dec 18 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	37°	35°	35°	37°	37°	35°	35°	35°
wind	7mph	6mph	5mph	3mph	5mph	5mph	7mph	10mph
pressure in	29.88	29.86	29.83	29.80	29.75	29.69	29.70	29.75

Monday Dec 18 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	44°	43°	42°	42°	41°	40°	38°	35°
wind	5mph	4mph	6mph	10mph	12mph	13mph	13mph	18mph
pressure in	29.27	29.19	29.08	29.00	28.95	28.93	29.00	29.12

Sunday Dec 18 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	29°	30°	28°	29°	31°	32°	31°	31°
wind	8mph	8mph	11mph	13mph	17mph	17mph	17mph	19mph
pressure in	29.42	29.43	29.47	29.51	29.53	29.56	29.61	29.66

Saturday Dec 18 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	33°	34°	34°	34°	34°	33°	32°	31°
wind	5mph	7mph	9mph	10mph	14mph	15mph	16mph	11mph
pressure in	29.87	29.84	29.78	29.72	29.60	29.49	29.52	29.61

Friday Dec 18 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	25°	25°	24°	25°	28°	30°	26°	25°
wind	4mph	4mph	4mph	4mph	3mph	2mph	3mph	4mph
pressure in	29.86	29.89	29.94	30.00	30.02	30.01	30.02	30.00

Wednesday Dec 18 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	27°	27°	26°	23°	22°	20°	15°	14°
wind	12mph	13mph	16mph	20mph	19mph	21mph	21mph	16mph
pressure in	29.45	29.43	29.43	29.47	29.54	29.62	29.73	29.84

Tuesday Dec 18 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	30°	29°	27°	26°	28°	30°	28°	29°
wind	14mph	14mph	11mph	9mph	7mph	4mph	4mph	5mph
pressure in	29.72	29.74	29.79	29.84	29.84	29.82	29.81	29.77

* Saint Catharines weather for December 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 Saint Catharines Weather for December 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 December 18 for previous years is presented.