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Acton, CA

90°F
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Acton

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90°
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Acton, CA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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3 PM

91°
RealFeel® 93°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™87°

Heat Index87°

WindWSW 15 mph

Air QualityFair

Max UV Index8.3 (Very High)

Wind Gusts29 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

92°
RealFeel® 92°
Hot
RealFeel Guide
Hot
90° to 100°
Caution advised. Possible danger of dehydration, heat stroke, heat exhaustion and heat cramps if outside for extended periods, and especially while doing strenuous activities.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™88°

Heat Index88°

WindWSW 15 mph

Air QualityFair

Max UV Index5.2 (Moderate)

Wind Gusts30 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

90°
RealFeel® 89°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™86°

Heat Index86°

WindWSW 15 mph

Air QualityFair

Max UV Index3.6 (Moderate)

Wind Gusts31 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

86°
RealFeel® 84°
Very Warm
RealFeel Guide
Very Warm
82° to 89°
Older adults, infants, and those with sensitive medical conditions should minimize outdoor activity, especially in the sunshine.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™82°

Heat Index83°

WindWSW 14 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts27 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

83°
RealFeel® 80°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™79°

Heat Index81°

WindWSW 13 mph

Air QualityFair

Max UV Index1.1 (Low)

Wind Gusts22 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

79°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™76°

WindWSW 13 mph

Air QualityFair

Max UV Index0.1 (Low)

Wind Gusts16 mph

Humidity34%

Indoor Humidity34% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™1 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

74°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSW 12 mph

Air QualityFair

Wind Gusts14 mph

Humidity42%

Indoor Humidity42% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

71°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSW 10 mph

Air QualityFair

Wind Gusts12 mph

Humidity49%

Indoor Humidity49% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

68°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindSW 8 mph

Air QualityFair

Wind Gusts9 mph

Humidity53%

Indoor Humidity53% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Acton

AccuWeather's hourly forecast for Acton provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 91° with a RealFeel® of 93°, mostly sunny with a 0% chance of precipitation. Each hourly forecast includes wind speed, humidity, air quality, UV index, and the AccuLumen Brightness Index™, AccuWeather's measure of perceived outdoor light intensity. Forecasts are generated by proprietary systems developed by AccuWeather meteorologists since 1962.

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