Groton, MA 21 October Weather

Altitude - 90m | 42°36′40″N,71°34′30″W | map (OSM)

Groton, MA

°F

9 pmFair0mphC

Sat, October 11, 20259:30 PM (GMT -04:00)

Tuesday Oct 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	52°	49°	47°	50°	57°	60°	58°	52°
wind	5mph	5mph	5mph	6mph	8mph	8mph	7mph	5mph
pressure in	29.46	29.47	29.49	29.56	29.58	29.58	29.59	29.59

Monday Oct 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	47°	46°	45°	56°	73°	79°	71°	61°
wind	0mph	1mph	1mph	2mph	7mph	8mph	4mph	2mph
pressure in	29.81	29.78	29.79	29.82	29.80	29.76	29.78	29.82

Saturday Oct 21 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	57°	58°	57°	58°	59°	59°	57°	55°
wind	3mph	3mph	2mph	4mph	6mph	6mph	11mph	14mph
pressure in	29.20	29.11	29.03	28.96	28.85	28.77	28.76	28.84

* Groton, MA weather for October 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 Groton, MA Weather for October 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 October 21 for previous years is presented.