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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details. Chevron right
Where will there be storms into 4th of July weekend? Click for the forecast. Chevron right

Upton, MA

81°F
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Upton

Massachusetts

81°
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Upton, MA Weather
Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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Hourly

 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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11 AM

80°
RealFeel® 90°
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 20%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

RealFeel Shade™82°

Heat Index83°

WindSW 8 mph

Air QualityFair

Max UV Index7.2 (High)

Wind Gusts18 mph

Humidity73%

Indoor Humidity73% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling34000 ft

12 PM

84°
RealFeel® 95°
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 20%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

RealFeel Shade™86°

Heat Index88°

WindSW 9 mph

Air QualityFair

Max UV Index9.4 (Very High)

Wind Gusts21 mph

Humidity63%

Indoor Humidity63% (Very Humid)

Dew Point70° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

88°
RealFeel® 101°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 16%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

RealFeel Shade™92°

Heat Index95°

WindSW 9 mph

Air QualityFair

Max UV Index10.3 (Very High)

Wind Gusts21 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

90°
RealFeel® 107°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 7%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

RealFeel Shade™98°

Heat Index104°

WindSW 9 mph

Air QualityFair

Max UV Index9.4 (Very High)

Wind Gusts22 mph

Humidity69%

Indoor Humidity69% (Dangerously Humid)

Dew Point78° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

93°
RealFeel® 104°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 7%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

RealFeel Shade™97°

Heat Index102°

WindSW 9 mph

Air QualityFair

Max UV Index7.2 (High)

Wind Gusts20 mph

Humidity53%

Indoor Humidity53% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

90°
RealFeel® 103°
Very Hot
RealFeel Guide
Very Hot
101° to 107°
Caution advised. 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 6%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

RealFeel Shade™99°

Heat Index106°

WindSSW 9 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts21 mph

Humidity70%

Indoor Humidity70% (Dangerously Humid)

Dew Point79° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling4000 ft

5 PM

90°
RealFeel® 98°
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 5%
Chevron down
Intermittent clouds
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

RealFeel Shade™95°

Heat Index99°

WindSSW 9 mph

Air QualityFair

Max UV Index2.9 (Moderate)

Wind Gusts24 mph

Humidity59%

Indoor Humidity59% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover70%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

90°
RealFeel® 98°
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 5%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

RealFeel Shade™95°

Heat Index99°

WindSSW 9 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts21 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™8 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

89°
RealFeel® 96°
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 8%
Chevron down
Partly sunny
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

RealFeel Shade™94°

Heat Index98°

WindSSW 9 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts18 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

86°
RealFeel® 94°
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 47%
Chevron down
Mostly sunny
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

RealFeel Shade™94°

Heat Index95°

WindSW 8 mph

Air QualityFair

Max UV Index0.4 (Low)

Wind Gusts15 mph

Humidity69%

Indoor Humidity69% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°
RealFeel® 88°
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 51%
Chevron down
Partly cloudy w/ t-storms
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

Heat Index92°

WindSW 7 mph

Air QualityFair

Wind Gusts15 mph

Humidity76%

Indoor Humidity76% (Extremely Humid)

Dew Point75° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Rain0.04 in

Visibility6 mi

Cloud Ceiling30000 ft

10 PM

81°
RealFeel® 87°
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 47%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday
alerts

Air Quality Alert

9:16 AM Wednesday - 11:00 PM Wednesday

Heat Index87°

WindSSW 7 mph

Air QualityFair

Wind Gusts15 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point74° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

79°
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 19%
Chevron down
Mostly clear
alerts

Extreme Heat Warning

10:00 AM Wednesday - 8:00 PM Saturday

Heat Index81°

WindSSW 7 mph

Air QualityFair

Wind Gusts15 mph

Humidity79%

Indoor Humidity79% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Upton

AccuWeather's hourly forecast for Upton provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 80° with a RealFeel® of 90°, partly sunny with a 20% 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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