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Hottest day yet as heat wave intensifies in the eastern US. Click for the forecast.

4th of July forecast: Where will storms disrupt outdoor plans?

Belfast, ME

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Belfast, ME Weather

Today WinterCast Local {stormName} Tracker Hourly 10-Day Radar MinuteCast® Monthly Air Quality Health & Activities

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5 PM

91°

RealFeel® 100°

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.

43%

Intermittent clouds

Extreme Heat Warning

11:00 AM Thursday - 8:00 PM Thursday

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

RealFeel Shade™96°

Heat Index100°

WindWSW 7 mph

Air QualityFair

Max UV Index3.1 (Moderate)

Wind Gusts17 mph

Humidity54%

Indoor Humidity54% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

91°

RealFeel® 99°

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.

47%

Intermittent clouds

Extreme Heat Warning

11:00 AM Thursday - 8:00 PM Thursday

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

RealFeel Shade™96°

Heat Index99°

WindWSW 7 mph

Air QualityFair

Max UV Index2.1 (Low)

Wind Gusts16 mph

Humidity56%

Indoor Humidity56% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™7 (Bright)

Cloud Cover63%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°

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.

51%

Mostly cloudy w/ t-storms

Extreme Heat Warning

11:00 AM Thursday - 8:00 PM Thursday

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

RealFeel Shade™93°

Heat Index98°

WindWSW 6 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts14 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™6 (Medium)

Cloud Cover63%

Rain0.10 in

Visibility4 mi

Cloud Ceiling2000 ft

8 PM

87°

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.

15%

Intermittent clouds

Heat Advisory

11:00 AM Wednesday - 8:00 PM Friday

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

RealFeel Shade™93°

Heat Index94°

WindW 6 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts13 mph

Humidity60%

Indoor Humidity60% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

85°

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.

11%

Intermittent clouds

Heat Advisory

11:00 AM Wednesday - 8:00 PM Friday

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

Heat Index91°

WindW 6 mph

Air QualityFair

Wind Gusts12 mph

Humidity64%

Indoor Humidity64% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover68%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

83°

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.

11%

Intermittent clouds

Heat Advisory

11:00 AM Wednesday - 8:00 PM Friday

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

Heat Index87°

WindW 6 mph

Air QualityFair

Wind Gusts10 mph

Humidity69%

Indoor Humidity69% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover69%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

80°

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.

11%

Intermittent clouds

Heat Advisory

11:00 AM Wednesday - 8:00 PM Friday

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

Heat Index84°

WindW 6 mph

Air QualityFair

Wind Gusts9 mph

Humidity73%

Indoor Humidity73% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Belfast

AccuWeather's hourly forecast for Belfast provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 91° with a RealFeel® of 100°, intermittent clouds with a 43% 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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