Waltham Weather History Massachusetts, United States of America

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Past date: Past date must be from 1st Jan, 2009 onwards.

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Daily and hourly data from 1 Jan 2009 onwards.
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Sun 02 Nov, 2025 Weather in Waltham

Sunrise: 07:20 AM Sunset: 05:37 PM	Moonrise: 03:55 PM Moonset: 03:34 AM	Max: 10.2 °c	Min: 1.3 °c	Avg: 5.8 °c	Precip: 0.00 mm	Max Wind: 12.2 kph

	Sun 02 0:00 am	Sun 02 3:00 am	Sun 02 6:00 am	Sun 02 9:00 am	Sun 02 12:00 pm	Sun 02 3:00 pm	Sun 02 6:00 pm	Sun 02 9:00 pm
Icon
Temp	4.3°c	2.5°c	1.3°c	4.1°c	9.3°c	9.0°c	10.2°c	6.9°c
Wind	11.2 kmph	10.1 kmph	8.3 kmph	10.4 kmph	12.2 kmph	11.9 kmph	8.6 kmph	7.6 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%	0%	0%	0%	1%	0%	0%	0%
Humidity	67%	74%	79%	69%	59%	55%	64%	69%
Pressure	1015 mb	1016 mb	1018 mb	1021 mb	1024 mb	1024 mb	1025 mb	1026 mb

Waltham Annual Weather Averages

Month	High Temp	Low Temp	Avg Temp	Sunshine Hours	Rainfall	Rain days	Pressure
January	1°C / 34°F	-5°C / 22°F	-2°C / 28°F	178 hours	90.58 mm / 3.57 In	7 days	1016 mb / 30 In
February	3°C / 37°F	-5°C / 23°F	-1°C / 30°F	149 hours	93.45 mm / 3.68 In	7 days	1016 mb / 30 In
March	7°C / 45°F	-1°C / 30°F	3°C / 37°F	153 hours	111.90 mm / 4.41 In	7 days	1016 mb / 30 In
April	13°C / 56°F	5°C / 40°F	9°C / 48°F	153 hours	101.47 mm / 3.99 In	8 days	1015 mb / 30 In
May	19°C / 67°F	10°C / 50°F	15°C / 58°F	180 hours	93.44 mm / 3.68 In	7 days	1016 mb / 30 In
June	24°C / 75°F	15°C / 58°F	19°C / 67°F	187 hours	104.31 mm / 4.11 In	9 days	1013 mb / 30 In
July	28°C / 82°F	19°C / 65°F	23°C / 74°F	213 hours	113.13 mm / 4.45 In	9 days	1014 mb / 30 In
August	27°C / 81°F	18°C / 64°F	22°C / 72°F	229 hours	93.62 mm / 3.69 In	7 days	1015 mb / 30 In
September	23°C / 73°F	14°C / 58°F	18°C / 65°F	208 hours	88.98 mm / 3.50 In	6 days	1018 mb / 31 In
October	16°C / 61°F	9°C / 48°F	13°C / 55°F	177 hours	117.73 mm / 4.63 In	7 days	1017 mb / 31 In
November	10°C / 50°F	3°C / 37°F	6°C / 43°F	201 hours	93.22 mm / 3.67 In	6 days	1018 mb / 31 In
December	4°C / 40°F	-1°C / 29°F	1°C / 35°F	173 hours	123.60 mm / 4.87 In	8 days	1017 mb / 31 In

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