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West faces hottest weather so far this year as heat dome builds. Click for the forecast. Chevron right

Mattawa, WA

78°F
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Mattawa

Washington

78°
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Mattawa, WA Weather
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12 AM

76°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindWNW 14 mph

Air QualityFair

Wind Gusts32 mph

Humidity38%

Indoor Humidity38% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover44%

Visibility10 mi

Cloud Ceiling30000 ft

1 AM

74°
RealFeel® 71°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 13 mph

Air QualityFair

Wind Gusts31 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 ft

2 AM

73°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 12 mph

Air QualityExcellent

Wind Gusts30 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover30%

Visibility10 mi

Cloud Ceiling30000 ft

3 AM

72°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

WindW 12 mph

Air QualityExcellent

Wind Gusts29 mph

Humidity41%

Indoor Humidity41% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover42%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

71°
RealFeel® 67°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindW 12 mph

Air QualityExcellent

Wind Gusts28 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover54%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

70°
RealFeel® 66°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

WindW 10 mph

Air QualityExcellent

Wind Gusts27 mph

Humidity44%

Indoor Humidity44% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover66%

Visibility10 mi

Cloud Ceiling24600 ft

6 AM

71°
RealFeel® 68°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny

RealFeel Shade™68°

WindW 12 mph

Air QualityExcellent

Max UV Index0.6 (Low)

Wind Gusts28 mph

Humidity43%

Indoor Humidity43% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™3 (Dull)

Cloud Cover46%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

74°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™71°

WindW 12 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts28 mph

Humidity40%

Indoor Humidity40% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover26%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

77°
RealFeel® 76°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™74°

WindWNW 12 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts28 mph

Humidity37%

Indoor Humidity37% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

81°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™78°

Heat Index80°

WindWNW 13 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts28 mph

Humidity32%

Indoor Humidity32% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™81°

Heat Index82°

WindWNW 15 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts29 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

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

Red Flag Warning

11:00 AM Wednesday - 10:00 PM Wednesday

RealFeel Shade™83°

Heat Index85°

WindWNW 17 mph

Air QualityFair

Max UV Index6.5 (High)

Wind Gusts29 mph

Humidity26%

Indoor Humidity26% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

90°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

11:00 AM Wednesday - 10:00 PM Wednesday

RealFeel Shade™86°

Heat Index87°

WindNW 16 mph

Air QualityFair

Max UV Index8.3 (Very High)

Wind Gusts29 mph

Humidity23%

Indoor Humidity23% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover12%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

93°
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 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

11:00 AM Wednesday - 10:00 PM Wednesday

RealFeel Shade™89°

Heat Index89°

WindWNW 15 mph

Air QualityFair

Max UV Index9.0 (Very High)

Wind Gusts30 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover24%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

94°
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

11:00 AM Wednesday - 10:00 PM Wednesday

RealFeel Shade™90°

Heat Index90°

WindWNW 14 mph

Air QualityFair

Max UV Index8.3 (Very High)

Wind Gusts31 mph

Humidity19%

Indoor Humidity19% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

95°
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 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

11:00 AM Wednesday - 10:00 PM Wednesday

RealFeel Shade™92°

Heat Index91°

WindNW 15 mph

Air QualityFair

Max UV Index6.5 (High)

Wind Gusts32 mph

Humidity17%

Indoor Humidity17% (Ideal Humidity)

Dew Point44° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover25%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

94°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

11:00 AM Wednesday - 10:00 PM Wednesday

RealFeel Shade™90°

Heat Index90°

WindNW 17 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts35 mph

Humidity17%

Indoor Humidity17% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover13%

Visibility10 mi

Cloud Ceiling30000 ft

5 PM

92°
RealFeel® 91°
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

11:00 AM Wednesday - 10:00 PM Wednesday

RealFeel Shade™88°

Heat Index88°

WindNW 18 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts36 mph

Humidity17%

Indoor Humidity17% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

90°
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 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

11:00 AM Wednesday - 10:00 PM Wednesday

RealFeel Shade™86°

Heat Index86°

WindNW 20 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts36 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

7 PM

87°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

11:00 AM Wednesday - 10:00 PM Wednesday

RealFeel Shade™82°

Heat Index84°

WindNW 22 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts36 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover11%

Visibility10 mi

Cloud Ceiling30000 ft

8 PM

83°
RealFeel® 79°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny
alerts

Red Flag Warning

11:00 AM Wednesday - 10:00 PM Wednesday

RealFeel Shade™79°

Heat Index81°

WindWNW 22 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts36 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point41° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

80°
RealFeel® 75°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear
alerts

Red Flag Warning

11:00 AM Wednesday - 10:00 PM Wednesday

WindWNW 22 mph

Air QualityFair

Wind Gusts37 mph

Humidity27%

Indoor Humidity27% (Ideal Humidity)

Dew Point43° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

77°
RealFeel® 72°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWNW 20 mph

Air QualityFair

Wind Gusts38 mph

Humidity31%

Indoor Humidity31% (Ideal Humidity)

Dew Point45° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

11 PM

74°
RealFeel® 70°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWNW 18 mph

Air QualityExcellent

Wind Gusts38 mph

Humidity36%

Indoor Humidity36% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

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 76° with a RealFeel® of 72°, partly cloudy 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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