Boulder, CO 21 April Weather

Altitude - 1629m | 40°0′36″N,105°16′12″W | map (OSM)

Boulder, CO

°F

3 amClear3mphNW

Tue, April 15, 20253:29 AM (GMT -06:00)

Climatic norm in Boulder, CO Apr 21

26°
40°
55°

minimum
average
maximum

Monday Apr 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	45°	41°	40°	50°	62°	66°	62°	53°
wind	6mph	5mph	5mph	4mph	7mph	8mph	8mph	5mph
pressure in	24.54	24.50	24.50	24.56	24.59	24.56	24.52	24.54

Sunday Apr 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	37°	33°	31°	36°	47°	56°	58°	51°
wind	1mph	0mph	1mph	2mph	1mph	5mph	4mph	4mph
pressure in	24.81	24.80	24.79	24.79	24.77	24.72	24.66	24.60

Friday Apr 21 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	37°	35°	33°	39°	46°	51°	50°	42°
wind	9mph	8mph	5mph	6mph	9mph	11mph	10mph	6mph
pressure in	24.72	24.71	24.68	24.68	24.65	24.62	24.60	24.67

Thursday Apr 21 2022	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	52°	48°	44°	53°	64°	72°	75°	64°
wind	5mph	4mph	2mph	2mph	5mph	5mph	5mph	5mph
pressure in	24.58	24.55	24.53	24.59	24.59	24.53	24.51	24.46

Wednesday Apr 21 2021	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	31°	28°	27°	29°	31°	33°	34°	34°
wind	2mph	3mph	1mph	4mph	4mph	3mph	2mph	2mph
pressure in	24.76	24.73	24.71	24.70	24.62	24.57	24.52	24.53

Tuesday Apr 21 2020	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	46°	43°	40°	50°	57°	60°	59°	52°
wind	5mph	4mph	2mph	1mph	4mph	5mph	5mph	5mph
pressure in	24.62	24.59	24.56	24.61	24.61	24.57	24.54	24.53

Sunday Apr 21 2019	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	58°	54°	51°	60°	65°	61°	57°	48°
wind	8mph	5mph	4mph	3mph	4mph	6mph	8mph	5mph
pressure in	24.44	24.39	24.38	24.48	24.51	24.51	24.54	24.60

Saturday Apr 21 2018	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	35°	35°	35°	35°	40°	42°	44°	39°
wind	6mph	5mph	4mph	2mph	3mph	4mph	4mph	3mph
pressure in	24.58	24.60	24.64	24.66	24.71	24.71	24.70	24.67

* Boulder, CO weather for April 21 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 Boulder, CO Weather for April 21, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on April 21 for previous years is presented.