Current Conditions

Acton, Massachusetts

83°F28°C

Partly Cloudy

Wind

WNW 9 mph14 km/h

Humidity

50%

Cloud Cover

59%

As of Tuesday, August 11, 2026 at 11:54 AM EDT

Today's Outlook

Day

Mostly cloudy and hot, with a high of 86°F30°C and morning low of 75°F24°C. Breezy from the WNW at 8 to 9 mph13 to 15 km/h.

Night

Mostly cloudy, with a low around 71°F22°C. Light wind from the W around 5 mph8 km/h.

7-Day Forecast

Condition	High (°F)	Low (°F)	Precip (mm)	Cloud Cover (%)	Wind (mph)
Partly Cloudy	High 86°F30°C	Low 71°F22°C	Precip 0 in0 mm—	Cloud 59%	Wind WNW 7 mph12 km/h	Tuesday: Mostly cloudy and hot, with a high of 86°F30°C and morning low of 75°F24°C. Breezy from the WNW at 8 to 9 mph13 to 15 km/h. Tuesday Night: Mostly cloudy, with a low around 71°F22°C. Light wind from the W around 5 mph8 km/h.
Partly Cloudy	High 85°F29°C	Low 65°F19°C	Precip 0 in0 mm—	Cloud 45%	Wind WNW 5 mph7 km/h	Wednesday: Partly cloudy and warm, with a high of 85°F29°C and morning low of 71°F22°C. Light wind from the WNW around 4 mph7 km/h. Wednesday Night: Mostly cloudy, with a low around 65°F19°C. Light wind from the W around 5 mph8 km/h.
Showers	High 84°F29°C	Low 67°F20°C	Precip 0.09 in2.4 mm43%	Cloud 39%	Wind WNW 6 mph9 km/h	Thursday: Partly cloudy and warm, with a high of 84°F29°C and morning low of 70°F21°C. Breezy from the WNW at 6 to 8 mph10 to 13 km/h. 43% chance of showers throughout the day. Thursday Night: Partly cloudy, with a low around 67°F20°C. Light wind from the W around 6 mph9 km/h. 26% chance of showers before dawn.
Clear	High 81°F27°C	Low 63°F17°C	Precip 0 in0 mm—	Cloud 13%	Wind NW 8 mph13 km/h	Friday: Mostly clear and warm, with a high of 81°F27°C and morning low of 68°F20°C. Breezy from the NW at 9 to 11 mph15 to 17 km/h. Friday Night: Mostly clear, with a low around 63°F17°C. Breezy from the NW at 7 mph11 km/h.
Clear	High 82°F28°C	Low 59°F15°C	Precip 0 in0 mm—	Cloud 31%	Wind NW 5 mph8 km/h	Saturday: Partly cloudy and warm, with a high of 82°F28°C and morning low of 65°F18°C. Light wind from the NW around 4 mph7 km/h. Dry air. Saturday Night: Partly cloudy, with a low around 59°F15°C. Light wind from the WNW around 5 mph8 km/h.
Light Rain	High 79°F26°C	Low 61°F16°C	Precip 0.23 in5.9 mm55%	Cloud 72%	Wind SSW 6 mph10 km/h	Sunday: Mostly cloudy and warm, with a high of 79°F26°C and morning low of 67°F19°C. Breezy from the SSW at 7 to 8 mph11 to 14 km/h. 46% chance of light rain throughout the day. Sunday Night: Mostly cloudy, with a low around 61°F16°C. Breezy from the SSW at 6 to 7 mph10 to 12 km/h. 55% chance of showers in the evening.
Showers	High 81°F27°C	Low 69°F21°C	Precip 0.21 in5.3 mm43%	Cloud 61%	Wind NW 7 mph11 km/h	Monday: Mostly cloudy and warm, with a high of 81°F27°C and morning low of 71°F22°C. Breezy from the NW at 7 mph11 km/h. 27% chance of showers throughout the day. Humid. Monday Night: Mostly cloudy, with a low around 69°F21°C. Breezy from the WNW at 6 to 7 mph10 to 11 km/h. 43% chance of showers throughout the night.

15-Day Forecast

	Day	High	Low	Precip	Cloud Cover	Condition	Wind
	TuesdayAug 11	86°F30°C	71°F22°C	0 in0 mm· —	59%	Partly Cloudy	WNW 7 mph12 km/h
DayMostly cloudy and hot, with a high of 86°F30°C and morning low of 75°F24°C. Breezy from the WNW at 8 to 9 mph13 to 15 km/h. NightMostly cloudy, with a low around 71°F22°C. Light wind from the W around 5 mph8 km/h.
	WednesdayAug 12	85°F29°C	65°F19°C	0 in0 mm· —	45%	Partly Cloudy	WNW 5 mph7 km/h
DayPartly cloudy and warm, with a high of 85°F29°C and morning low of 71°F22°C. Light wind from the WNW around 4 mph7 km/h. NightMostly cloudy, with a low around 65°F19°C. Light wind from the W around 5 mph8 km/h.
	ThursdayAug 13	84°F29°C	67°F20°C	0.09 in2.4 mm· 43%	39%	Showers	WNW 6 mph9 km/h
DayPartly cloudy and warm, with a high of 84°F29°C and morning low of 70°F21°C. Breezy from the WNW at 6 to 8 mph10 to 13 km/h. 43% chance of showers throughout the day. NightPartly cloudy, with a low around 67°F20°C. Light wind from the W around 6 mph9 km/h. 26% chance of showers before dawn.
	FridayAug 14	81°F27°C	63°F17°C	0 in0 mm· —	13%	Clear	NW 8 mph13 km/h
DayMostly clear and warm, with a high of 81°F27°C and morning low of 68°F20°C. Breezy from the NW at 9 to 11 mph15 to 17 km/h. NightMostly clear, with a low around 63°F17°C. Breezy from the NW at 7 mph11 km/h.
	SaturdayAug 15	82°F28°C	59°F15°C	0 in0 mm· —	31%	Clear	NW 5 mph8 km/h
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 65°F18°C. Light wind from the NW around 4 mph7 km/h. Dry air. NightPartly cloudy, with a low around 59°F15°C. Light wind from the WNW around 5 mph8 km/h.
	SundayAug 16	79°F26°C	61°F16°C	0.23 in5.9 mm· 55%	72%	Light Rain	SSW 6 mph10 km/h
DayMostly cloudy and warm, with a high of 79°F26°C and morning low of 67°F19°C. Breezy from the SSW at 7 to 8 mph11 to 14 km/h. 46% chance of light rain throughout the day. NightMostly cloudy, with a low around 61°F16°C. Breezy from the SSW at 6 to 7 mph10 to 12 km/h. 55% chance of showers in the evening.
	MondayAug 17	81°F27°C	69°F21°C	0.21 in5.3 mm· 43%	61%	Showers	NW 7 mph11 km/h
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 71°F22°C. Breezy from the NW at 7 mph11 km/h. 27% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 69°F21°C. Breezy from the WNW at 6 to 7 mph10 to 11 km/h. 43% chance of showers throughout the night.
	TuesdayAug 18	82°F28°C	63°F17°C	0.01 in0.3 mm· 7%	35%	Clear	NNW 5 mph8 km/h
DayPartly cloudy and warm, with a high of 82°F28°C and morning low of 68°F20°C. Light wind from the N around 4 mph7 km/h. NightPartly cloudy, with a low around 63°F17°C. Light wind from the WNW around 5 mph9 km/h.
	WednesdayAug 19	85°F29°C	63°F17°C	0.03 in0.8 mm· 13%	53%	Drizzle	SSW 6 mph10 km/h
DayMostly cloudy and warm, with a high of 85°F29°C and morning low of 69°F20°C. Breezy from the SSW at 6 to 8 mph10 to 12 km/h. 13% chance of drizzle in the afternoon. NightPartly cloudy, with a low around 63°F17°C. Breezy from the SSW at 6 to 8 mph10 to 12 km/h.
	ThursdayAug 20	86°F30°C	70°F21°C	0.16 in4 mm· 27%	60%	Showers	WSW 7 mph11 km/h
DayMostly cloudy and warm, with a high of 86°F30°C and morning low of 73°F23°C. Breezy from the WSW at 7 to 8 mph12 to 12 km/h. 27% chance of showers throughout the day. Humid. NightMostly cloudy, with a low around 70°F21°C. Breezy from the SW at 7 mph11 km/h. 20% chance of drizzle throughout the night.
	FridayAug 21	85°F30°C	68°F20°C	0.07 in1.7 mm· 19%	52%	Drizzle	W 6 mph10 km/h
DayMostly cloudy and warm, with a high of 85°F30°C and morning low of 72°F22°C. Breezy from the W at 6 to 7 mph10 to 11 km/h. 19% chance of drizzle throughout the day. NightMostly cloudy, with a low around 68°F20°C. Light wind from the WSW around 6 mph10 km/h. 12% chance of drizzle throughout the night.
	SaturdayAug 22	83°F28°C	67°F20°C	0.13 in3.3 mm· 27%	59%	Showers	W 6 mph9 km/h
DayMostly cloudy and warm, with a high of 83°F28°C and morning low of 71°F22°C. Light wind from the W around 6 mph10 km/h. 27% chance of showers throughout the day. NightMostly cloudy, with a low around 67°F20°C. Light wind from the WSW around 6 mph9 km/h. 13% chance of drizzle throughout the night.
	SundayAug 23	83°F28°C	67°F19°C	0.11 in2.7 mm· 26%	55%	Showers	W 6 mph10 km/h
DayMostly cloudy and warm, with a high of 83°F28°C and morning low of 70°F21°C. Breezy from the W at 6 to 7 mph10 to 11 km/h. 26% chance of showers throughout the day. NightMostly cloudy, with a low around 67°F19°C. Light wind from the WSW around 6 mph9 km/h. 16% chance of showers throughout the night.
	MondayAug 24	81°F27°C	65°F18°C	0.14 in3.5 mm· 25%	49%	Showers	W 6 mph10 km/h
DayMostly cloudy and warm, with a high of 81°F27°C and morning low of 68°F20°C. Breezy from the W at 7 mph11 km/h. 25% chance of showers throughout the day. NightPartly cloudy, with a low around 65°F18°C. Light wind from the W around 6 mph10 km/h. 16% chance of showers throughout the night.
	TuesdayAug 25	80°F27°C	63°F17°C	0.12 in3 mm· 24%	47%	Showers	W 6 mph10 km/h
DayMostly cloudy and warm, with a high of 80°F27°C and morning low of 67°F19°C. Breezy from the WNW at 6 to 7 mph10 to 11 km/h. 24% chance of showers throughout the day. NightPartly cloudy, with a low around 63°F17°C. Light wind from the W around 6 mph9 km/h. 19% chance of drizzle throughout the night.

Nearby Cities

Concord5 mi7 km Westford7 mi10 km Sudbury7 mi11 km Chelmsford9 mi14 km Billerica10 mi16 km Lexington11 mi18 km

About This Forecast

This forecast is powered by WeatherMesh, the world's most advanced and accurate weather model powered by AI. WeatherMesh is built on proprietary data from WindBorne's Global Sounding Balloon constellation — the world's largest fleet of autonomous, long-duration weather balloons — collecting observations across 100% of Earth, including over oceans and remote regions where no other data exists.

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Coordinates: 42.4851°N, 71.4328°W·Elevation: 81m·Timezone: America/New_York·Population: 20,897