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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?

Byron, ME

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Byron, ME Weather

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

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5 PM

90°

RealFeel® 97°

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%

Mostly sunny

Heat Advisory

11:00 AM Wednesday - 8:00 PM Thursday

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

RealFeel Shade™93°

Heat Index97°

WindW 9 mph

Air QualityFair

Max UV Index3.4 (Moderate)

Wind Gusts17 mph

Humidity53%

Indoor Humidity53% (Very Humid)

Dew Point71° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

90°

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.

47%

Mostly sunny

Heat Advisory

11:00 AM Wednesday - 8:00 PM Thursday

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

RealFeel Shade™93°

Heat Index96°

WindW 8 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts15 mph

Humidity55%

Indoor Humidity55% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

88°

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.

51%

Partly sunny w/ t-storms

Heat Advisory

11:00 AM Wednesday - 8:00 PM Thursday

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

RealFeel Shade™93°

Heat Index99°

WindW 7 mph

Air QualityFair

Max UV Index1.3 (Low)

Wind Gusts12 mph

Humidity67%

Indoor Humidity67% (Extremely Humid)

Dew Point76° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Rain0.10 in

Visibility4 mi

Cloud Ceiling30000 ft

8 PM

86°

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.

47%

Intermittent clouds

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

RealFeel Shade™92°

Heat Index92°

WindW 6 mph

Air QualityFair

Max UV Index0.5 (Low)

Wind Gusts9 mph

Humidity63%

Indoor Humidity63% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™2 (Dark)

Cloud Cover65%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

84°

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.

47%

Mostly cloudy

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

Heat Index90°

WindW 6 mph

Air QualityFair

Wind Gusts7 mph

Humidity70%

Indoor Humidity70% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover76%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

81°

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.

51%

Thunderstorms

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

Heat Index86°

WindW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity77%

Indoor Humidity77% (Extremely Humid)

Dew Point73° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover81%

Rain0.04 in

Visibility6 mi

Cloud Ceiling4000 ft

11 PM

78°

RealFeel® 83°

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.

40%

Mostly cloudy

Air Quality Alert

3:38 PM Thursday - 12:00 AM Monday

Heat Index80°

WindWSW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity81%

Indoor Humidity81% (Extremely Humid)

Dew Point72° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover75%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Byron

AccuWeather's hourly forecast for Byron provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 90° with a RealFeel® of 97°, mostly sunny 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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