Acton Weather History Massachusetts, United States of America

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Daily and hourly data from 1 Jan 2009 onwards.
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Sun 15 Mar, 2026 Weather in Acton

Sunrise: 06:58 AM Sunset: 06:52 PM	Moonrise: 05:25 AM Moonset: 03:12 PM	Max: 4.8 °c	Min: -1.0 °c	Avg: 1.6 °c	Precip: 0.00 mm	Max Wind: 19.8 kph

	Sun 15 0:00 am	Sun 15 3:00 am	Sun 15 6:00 am	Sun 15 9:00 am	Sun 15 12:00 pm	Sun 15 3:00 pm	Sun 15 6:00 pm	Sun 15 9:00 pm
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Temp	-0.4°c	-0.8°c	-0.9°c	0.7°c	3.4°c	4.7°c	3.8°c	2.2°c
Wind	19.8 kmph	13.3 kmph	6.8 kmph	7.6 kmph	6.5 kmph	13.3 kmph	14.4 kmph	12.2 kmph
Precip	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm	0.00 mm
Cloud	0%	7%	25%	38%	62%	70%	38%	53%
Humidity	64%	64%	62%	52%	43%	44%	53%	70%
Pressure	1022 mb	1025 mb	1029 mb	1031 mb	1031 mb	1030 mb	1030 mb	1030 mb

Acton Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	1°C / 34°F	-6°C / 21°F	-3°C / 27°F	173 hours	90.50 mm / 3.56 In	7 days	1016 mb / 30 In
February	2°C / 36°F	-6°C / 22°F	-2°C / 29°F	142 hours	99.78 mm / 3.93 In	7 days	1016 mb / 30 In
March	7°C / 44°F	-2°C / 29°F	3°C / 37°F	150 hours	111.18 mm / 4.38 In	8 days	1016 mb / 30 In
April	14°C / 56°F	4°C / 39°F	9°C / 47°F	150 hours	104.24 mm / 4.10 In	8 days	1015 mb / 30 In
May	20°C / 68°F	10°C / 49°F	15°C / 58°F	174 hours	97.39 mm / 3.83 In	8 days	1016 mb / 30 In
June	25°C / 77°F	14°C / 58°F	19°C / 67°F	182 hours	109.87 mm / 4.33 In	9 days	1013 mb / 30 In
July	29°C / 83°F	18°C / 65°F	23°C / 74°F	209 hours	123.18 mm / 4.85 In	9 days	1014 mb / 30 In
August	28°C / 82°F	17°C / 63°F	22°C / 72°F	222 hours	100.89 mm / 3.97 In	7 days	1015 mb / 30 In
September	23°C / 74°F	14°C / 57°F	18°C / 65°F	205 hours	93.30 mm / 3.67 In	6 days	1018 mb / 31 In
October	17°C / 62°F	8°C / 47°F	12°C / 54°F	171 hours	118.26 mm / 4.66 In	7 days	1017 mb / 31 In
November	10°C / 50°F	2°C / 36°F	6°C / 42°F	198 hours	94.01 mm / 3.70 In	6 days	1018 mb / 31 In
December	4°C / 39°F	-2°C / 28°F	1°C / 34°F	168 hours	132.98 mm / 5.24 In	8 days	1017 mb / 31 In

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