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Mattawa, WA

100°F
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Mattawa

Washington

100°
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Mattawa, WA Weather
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5 PM

102°
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.
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rain drop 0%
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Mostly sunny
alerts

Red Flag Warning

1:00 PM Tuesday - 10:00 PM Tuesday

RealFeel Shade™98°

Heat Index97°

WindSSW 14 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts25 mph

Humidity14%

Indoor Humidity14% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

99°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

1:00 PM Tuesday - 10:00 PM Tuesday

RealFeel Shade™96°

Heat Index96°

WindSW 15 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts29 mph

Humidity16%

Indoor Humidity16% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

97°
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 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

1:00 PM Tuesday - 10:00 PM Tuesday

RealFeel Shade™93°

Heat Index94°

WindWNW 18 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts32 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

93°
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 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

1:00 PM Tuesday - 10:00 PM Tuesday

RealFeel Shade™90°

Heat Index90°

WindWNW 16 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts31 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

89°
RealFeel® 86°
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.
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rain drop 0%
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Partly cloudy
alerts

Red Flag Warning

1:00 PM Tuesday - 10:00 PM Tuesday

Heat Index87°

WindWNW 16 mph

Air QualityFair

Wind Gusts31 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover42%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

86°
RealFeel® 82°
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
Partly cloudy

Heat Index83°

WindWNW 15 mph

Air QualityFair

Wind Gusts32 mph

Humidity30%

Indoor Humidity30% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

82°
RealFeel® 78°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
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rain drop 0%
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Intermittent clouds

Heat Index80°

WindWNW 14 mph

Air QualityFair

Wind Gusts32 mph

Humidity34%

Indoor Humidity34% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover51%

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 102° with a RealFeel® of 101°, 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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