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Over 250 million face dangerous heat dome into 4th of July weekend. Click for details.

Where will there be storms into 4th of July weekend? Click for the forecast.

Mattawa, WA

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Mattawa, WA Weather

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3 PM

85°

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.

0%

Mostly sunny

RealFeel Shade™81°

Heat Index82°

WindNW 10 mph

Air QualityExcellent

Max UV Index6.6 (High)

Wind Gusts20 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover15%

Visibility10 mi

Cloud Ceiling33400 ft

4 PM

87°

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.

0%

Mostly sunny

RealFeel Shade™83°

Heat Index84°

WindNW 13 mph

Air QualityExcellent

Max UV Index4.7 (Moderate)

Wind Gusts24 mph

Humidity21%

Indoor Humidity21% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

85°

RealFeel® 85°

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.

0%

Mostly sunny

RealFeel Shade™82°

Heat Index82°

WindNW 14 mph

Air QualityExcellent

Max UV Index3.4 (Moderate)

Wind Gusts27 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

82°

RealFeel® 81°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™79°

Heat Index80°

WindNW 15 mph

Air QualityExcellent

Max UV Index2.2 (Low)

Wind Gusts29 mph

Humidity24%

Indoor Humidity24% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

80°

RealFeel® 77°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Mostly sunny

RealFeel Shade™76°

WindNW 16 mph

Air QualityExcellent

Max UV Index1.4 (Low)

Wind Gusts30 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

76°

RealFeel® 73°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Sunny

RealFeel Shade™73°

WindWNW 15 mph

Air QualityExcellent

Max UV Index0.6 (Low)

Wind Gusts37 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

71°

RealFeel® 67°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Clear

WindWNW 15 mph

Air QualityExcellent

Wind Gusts36 mph

Humidity37%

Indoor Humidity37% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

68°

RealFeel® 64°

Pleasant

RealFeel Guide

Pleasant

63° to 81°

Most consider this temperature range ideal.

0%

Clear

WindWNW 15 mph

Air QualityExcellent

Wind Gusts33 mph

Humidity42%

Indoor Humidity42% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

65°

RealFeel® 62°

Cool

RealFeel Guide

Cool

53° to 62°

Light jacket or sweater may be appropriate.

0%

Clear

WindWNW 14 mph

Air QualityExcellent

Wind Gusts31 mph

Humidity47%

Indoor Humidity43% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

Hourly Weather Forecast for Mattawa

AccuWeather's hourly forecast for Mattawa provides hour-by-hour temperatures, RealFeel® Temperature, and precipitation probability through the next 10 days. The current hour shows 85° with a RealFeel® of 88°, 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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