October weather forecast
Marlborough, MA

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Weather in October

October, the same as September, in Marlborough, Massachusetts, is another mild autumn month, with an average temperature varying between 59.7°F (15.4°C) and 45.5°F (7.5°C).

Temperature

The arrival of October indicates a decrease in the average high-temperature, moving from a pleasant 72.9°F (22.7°C) in September to a refreshing 59.7°F (15.4°C). October in Marlborough sees the temperature falling to a mean low of 45.5°F (7.5°C).

Humidity

In October, the average relative humidity is 78%.

Rainfall

In Marlborough, Massachusetts, during October, the rain falls for 13.3 days and regularly aggregates up to 2.44" (62mm) of precipitation. In Marlborough, during the entire year, the rain falls for 140.8 days and collects up to 26.34" (669mm) of precipitation.

Snowfall

January through May, October through December are months with snowfall. October is the first month it typically snows in Marlborough. Throughout October, in the average 0.5 snowfall days, it receives 0.39" (10mm) of snow. In Marlborough, Massachusetts, during the entire year, snow falls for 32.4 days and aggregates up to 21.61" (549mm) of snow.

Daylight

In Marlborough, the average length of the day in October is 11h and 3min.
On the first day of October in Marlborough, sunrise is at 6:44 am and sunset at 6:27 pm. On the last day of the month, sunrise is at 7:19 am and sunset at 5:40 pm EDT.

Sunshine

The average sunshine in October is 5.9h.

UV index

The average daily maximum UV index in October is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 3 during October translates into the following guidance:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Be informed! The Sun's UV radiation can be nearly doubled due to the reflection from snow.
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Frequently asked questions

What is the usual temperature for Marlborough in October?

The high-temperature, in October, in Marlborough, is 59.7°F (15.4°C), while the low-temperature averages to 45.5°F (7.5°C). In July, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is estimated at 87.8°F (31°C).

What is the average humidity in October in Marlborough?

In October, the average relative humidity in Marlborough is 78%.

How much does it rain in Marlborough in October?

In Marlborough, during October, the rain falls for 13.3 days and regularly aggregates up to 2.44" (62mm) of precipitation.

When does it start snowing in Marlborough?

October is the first month it typically snows in Marlborough. Throughout October, in the average 0.5 snowfall days, it receives 0.39" (10mm) of snow.

How many hours of daylight does Marlborough have in October?

In Marlborough, Massachusetts, the average day length in October is 11h and 3min.

When are sunrise and sunset in October in Marlborough?

In October, on the first day of the month, sunrise is at 6:44 am and sunset at 6:27 pm. On the last day of the month, in Marlborough, sunrise is at 7:19 am and sunset at 5:40 pm EDT.

How many hours of sunshine does Marlborough have in October?

The average sunshine duration in October in Marlborough, Massachusetts, is 5.9h.

What is the UV index intensity in October in Marlborough?

The average daily maximum UV index in October is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in October
Marlborough, MA

Average temperature in October - Marlborough, MA
  • Average high temperature in October: 59.7°F

The warmest month (with the highest average high temperature) is July (82°F).
The month with the lowest average high temperature is January (32.5°F).

  • Average low temperature in October: 45.5°F

The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (19.8°F).

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Average pressure in October
Marlborough, MA

Average pressure in October - Marlborough, MA
  • Average pressure in October: 30.01"Hg

The month with the highest atmospheric pressure is November (30.07"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in October
Marlborough, MA

Average wind speed in October - Marlborough, MA
  • Average wind speed in October: 7.1mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.5mph).

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Average humidity in October
Marlborough, MA

Average humidity in October - Marlborough, MA
  • Average humidity in October: 78%

The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is April (71%).

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Average rainfall in October
Marlborough, MA

Average rainfall in October - Marlborough, MA
  • Average rainfall in October: 2.44"

The wettest months (with the highest rainfall) are March, November and December (2.56").
The driest month (with the least rainfall) is September (1.34").

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Average rainfall days in October
Marlborough, MA

Average rainfall days in October - Marlborough, MA
  • Average rainfall days in October: 13.3 days

The month with the highest number of rainy days is May (15.6 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in October
Marlborough, MA

Average snowfall in October - Marlborough, MA
  • Average snowfall in October: 0.39"

The month with the highest snowfall is February (5.24").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in October
Marlborough, MA

Average snowfall days in October - Marlborough, MA
  • Average snowfall days in October: 0.5 days

The month with the highest number of snowfall days is February (7.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in October /
Average sunshine in October
Marlborough, MA

Average daylight in October / Average sunshine in October - Marlborough, MA
  • Average daylight in October: 11h and 0min

The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 6min).

  • Average sunshine in October: 5h and 5min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

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Average sunshine days in October
Marlborough, MA

Average sunshine days in October - Marlborough, MA
  • Average sunshine days in October: 15.7 days

The month with the most sunshine days is November (18.4 days).
The month with the least sunshine days is April (13.4 days).

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Average UV index in October
Marlborough, MA

Average UV index in October - Marlborough, MA
  • Average UV index in October: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).

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Average cloud cover in October
Marlborough, MA

Average cloud cover in October - Marlborough, MA
  • Average cloud cover in October: 45

The month with the most cloud cover is March (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 34).

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Average visibility in October
Marlborough, MA

Average visibility in October - Marlborough, MA
  • Average visibility in October: 6mi

The months with the highest visibility are January, March, April, May, October, November and December (6mi).
The months with the lowest visibility are February, June, July, August and September (5mi).

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Marlborough, Massachusetts, USA

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