Acton

Hot Springs County, Massachusetts, United States

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Current Weather

19°

Clear

Feels Like: 20°

Min:

Max: 19°

The next few hours will be clear, with today reaching 19°C and dropping to 11°C. The coming days will be mostly cloudy throughout the day.

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Hourly Forecast

19° 19° 19° 19° 18° 15° 14° 14° 13° 13° 12° 12° 12° 12° 11° 11° 11° 12° 14° 16° 18° 20° 22° 23°
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11pm
12am
1am
2am
3am
4am
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6am
7am
8am
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11am
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Today
Tomorrow

Daylight Hours

06:32

Sunrise

18:48

Sunset

12 hours 16 minutes of sunlight today

Moon

Waxing Crescent

11:26

Moonrise

20:15

Moonset

Daily Forecast

Today

19°

Wednesday

11°
25°

Thursday

16°
25°

Friday

14°
23°

Saturday

10°
18°

Sunday

12°
17°

Monday

13°
18°

Tuesday

12°
18°

Wednesday

11°
20°

Thursday

12°
20°

Air Quality Data Available

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UV Index

Wear sunscreen
5 Moderate
Low Extreme

Humidity

51% Comfortable
Low High

Weather in Acton today, September 15, 2026

Conditions in Acton on September 15, 2026 favour clear skies, so the day opens with a fine, sunny outlook. Any interruptions to the blue should be brief rather than lasting.

Expect highs of 19°C and cooler readings close to 8°C. Expect humidity between 51% and 90%, most humid near 22:00. Winds stay light, near 2.4 km/h by 18:00, so the day feels still more than breezy.

Expect persistent cloud later on, with amounts around 100% by 16:00. Sunshine remains the exception, not the rule. Visibility stays generally good near 15.9 km on average, though it can drop toward 15.1 km in thicker cloud or showers. Sunrise is at 06:32 and sunset at 18:48, giving 12 hours 16 minutes of sunlight today.

In short, September 15, 2026 looks like a fine day in Acton for being outside, peaking around 19°C.

Frequently asked questions about weather in Acton

How warm does it get in Acton?

The warmest month in Acton is July, with average high temperatures of 29°C. The average temperature during this period is around 24°C.

How cold does it get in Acton?

The coldest month in Acton is January, with average low temperatures of -5°C. The average temperature during this period is around -1°C.

What is the wettest time of year in Acton?

The wettest month in Acton is December, with an average of 119mm of precipitation.

What is the driest time of year in Acton?

The driest month in Acton is June, with an average of 79mm of precipitation.

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Metric (°C, km/h)