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Mattawa, WA

61°F
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Mattawa

Washington

61°
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Mattawa, WA Weather
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3 AM

63°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity47%

Indoor Humidity39% (Ideal Humidity)

Dew Point42° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

4 AM

63°
RealFeel® 61°
Cool
RealFeel Guide
Cool
53° to 62°
Light jacket or sweater may be appropriate.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindW 7 mph

Air QualityFair

Wind Gusts9 mph

Humidity55%

Indoor Humidity47% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

5 AM

65°
RealFeel® 63°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Clear

WindWNW 7 mph

Air QualityFair

Wind Gusts8 mph

Humidity59%

Indoor Humidity52% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

6 AM

67°
RealFeel® 65°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™65°

WindWNW 7 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts8 mph

Humidity56%

Indoor Humidity54% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover1%

Visibility10 mi

Cloud Ceiling30000 ft

7 AM

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

RealFeel Shade™67°

WindNW 6 mph

Air QualityFair

Max UV Index1.4 (Low)

Wind Gusts9 mph

Humidity51%

Indoor Humidity51% (Ideal Humidity)

Dew Point51° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover2%

Visibility10 mi

Cloud Ceiling30000 ft

8 AM

83°
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.
LEARN MORE
rain drop 0%
Chevron down
Sunny

RealFeel Shade™81°

Heat Index81°

WindNW 5 mph

Air QualityFair

Max UV Index2.2 (Low)

Wind Gusts6 mph

Humidity31%

Indoor Humidity31% (Ideal Humidity)

Dew Point50° F

AccuLumen Brightness Index™10 (Very Bright)

Cloud Cover0%

Visibility10 mi

Cloud Ceiling30000 ft

9 AM

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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™83°

Heat Index83°

WindN 6 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts8 mph

Humidity28%

Indoor Humidity28% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

10 AM

90°
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

RealFeel Shade™87°

Heat Index87°

WindENE 6 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts10 mph

Humidity24%

Indoor Humidity24% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

11 AM

93°
RealFeel® 98°
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

RealFeel Shade™90°

Heat Index89°

WindESE 7 mph

Air QualityFair

Max UV Index6.5 (High)

Wind Gusts14 mph

Humidity20%

Indoor Humidity20% (Ideal Humidity)

Dew Point47° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

12 PM

96°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny

RealFeel Shade™93°

Heat Index92°

WindSE 7 mph

Air QualityFair

Max UV Index8.3 (Very High)

Wind Gusts15 mph

Humidity18%

Indoor Humidity18% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

1 PM

99°
RealFeel® 104°
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.
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 Index95°

WindS 8 mph

Air QualityFair

Max UV Index9.0 (Very High)

Wind Gusts17 mph

Humidity17%

Indoor Humidity17% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

2 PM

101°
RealFeel® 104°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

1:00 PM Tuesday - 10:00 PM Tuesday

RealFeel Shade™97°

Heat Index97°

WindSSW 12 mph

Air QualityFair

Max UV Index8.3 (Very High)

Wind Gusts23 mph

Humidity15%

Indoor Humidity15% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

3 PM

102°
RealFeel® 103°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

1:00 PM Tuesday - 10:00 PM Tuesday

RealFeel Shade™98°

Heat Index98°

WindSSW 13 mph

Air QualityFair

Max UV Index6.5 (High)

Wind Gusts23 mph

Humidity15%

Indoor Humidity15% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

4 PM

103°
RealFeel® 103°
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.
LEARN MORE
rain drop 0%
Chevron down
Mostly sunny
alerts

Red Flag Warning

1:00 PM Tuesday - 10:00 PM Tuesday

RealFeel Shade™99°

Heat Index99°

WindSSW 13 mph

Air QualityFair

Max UV Index4.6 (Moderate)

Wind Gusts24 mph

Humidity14%

Indoor Humidity14% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

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

Red Flag Warning

1:00 PM Tuesday - 10:00 PM Tuesday

RealFeel Shade™98°

Heat Index98°

WindSSW 14 mph

Air QualityFair

Max UV Index3.3 (Moderate)

Wind Gusts25 mph

Humidity15%

Indoor Humidity15% (Ideal Humidity)

Dew Point46° F

AccuLumen Brightness Index™9 (Very Bright)

Cloud Cover10%

Visibility10 mi

Cloud Ceiling30000 ft

6 PM

100°
RealFeel® 98°
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® 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.
LEARN MORE
rain drop 0%
Chevron down
Partly sunny
alerts

Red Flag Warning

1:00 PM Tuesday - 10:00 PM Tuesday

RealFeel Shade™89°

Heat Index89°

WindWNW 16 mph

Air QualityFair

Max UV Index0.6 (Low)

Wind Gusts31 mph

Humidity22%

Indoor Humidity22% (Ideal Humidity)

Dew Point48° F

AccuLumen Brightness Index™4 (Dull)

Cloud Cover37%

Visibility10 mi

Cloud Ceiling30000 ft

9 PM

90°
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.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy
alerts

Red Flag Warning

1:00 PM Tuesday - 10:00 PM Tuesday

Heat Index87°

WindWNW 16 mph

Air QualityFair

Wind Gusts31 mph

Humidity25%

Indoor Humidity25% (Ideal Humidity)

Dew Point49° F

AccuLumen Brightness Index™0 (Dark)

Cloud Cover42%

Visibility10 mi

Cloud Ceiling30000 ft

10 PM

85°
RealFeel® 81°
Pleasant
RealFeel Guide
Pleasant
63° to 81°
Most consider this temperature range ideal.
LEARN MORE
rain drop 0%
Chevron down
Partly cloudy

Heat Index83°

WindWNW 15 mph

Air QualityFair

Wind Gusts32 mph

Humidity29%

Indoor Humidity29% (Ideal Humidity)

Dew Point50° 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.
LEARN MORE
rain drop 0%
Chevron down
Intermittent clouds

Heat Index81°

WindWNW 14 mph

Air QualityExcellent

Wind Gusts32 mph

Humidity32%

Indoor Humidity32% (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 63° with a RealFeel® of 61°, clear 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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