10-day forecast for Mattawa, WA: 35° to 54°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
54°
Best day: Saturday, November 14
47° · 0.42 in
Worst day: Monday, November 23
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1547° / 39°0.07
Morning43°feels 43°
Afternoon47°feels 45°
Evening43°feels 43°
Overnight45°feels 45°
47 °
Mattawa, Sunday, 15 November
Light rain. High 47°, low 39°.
Pressure29.88 inHg
Wind4 mph SE
Humidity81%
Visibility6.2 mi
Dew point45°
Mon, 1648° / 36°0
Morning39°feels 39°
Afternoon48°feels 47°
Evening39°feels 39°
Overnight36°feels 36°
48 °
Mattawa, Monday, 16 November
Overcast. High 48°, low 36°.
Pressure30.09 inHg
Wind3.2 mph NE
Humidity85%
Visibility0.6 mi
Dew point41°
Tue, 1742° / 36°0
Morning37°feels 37°
Afternoon42°feels 42°
Evening39°feels 39°
Overnight38°feels 38°
42 °
Mattawa, Tuesday, 17 November
Overcast. High 42°, low 36°.
Pressure30.06 inHg
Wind2.7 mph N
Humidity85%
Visibility0.1 mi
Dew point36°
Wed, 1844° / 35°0.01
Morning37°feels 33°
Afternoon44°feels 40°
Evening44°feels 42°
Overnight35°feels 33°
44 °
Mattawa, Wednesday, 18 November
Light rain. High 44°, low 35°.
Pressure30.00 inHg
Wind8.6 mph N
Humidity74%
Visibility2.9 mi
Dew point35°
Thu, 1950° / 40°0
Morning42°feels 40°
Afternoon46°feels 44°
Evening45°feels 45°
Overnight40°feels 39°
50 °
Mattawa, Thursday, 19 November
Overcast. High 50°, low 40°.
Pressure30.09 inHg
Wind6.4 mph N
Humidity70%
Visibility—
Dew point36°
Fri, 2042° / 37°0.01
Morning37°feels 37°
Afternoon40°feels 40°
Evening42°feels 42°
Overnight41°feels 41°
42 °
Mattawa, Friday, 20 November
Light rain. High 42°, low 37°.
Pressure30.03 inHg
Wind2.6 mph SE
Humidity93%
Visibility—
Dew point37°
Sat, 2145° / 42°0.16
Morning42°feels 40°
Afternoon44°feels 41°
Evening43°feels 42°
Overnight43°feels 41°
45 °
Mattawa, Saturday, 21 November
Light rain. High 45°, low 42°.
Pressure30.09 inHg
Wind5 mph N
Humidity80%
Visibility—
Dew point38°
Sun, 2248° / 39°0.15
Morning44°feels 43°
Afternoon45°feels 45°
Evening45°feels 43°
Overnight40°feels 40°
48 °
Mattawa, Sunday, 22 November
Light rain. High 48°, low 39°.
Pressure30.06 inHg
Wind5.2 mph SE
Humidity89%
Visibility—
Dew point42°
Mon, 2347° / 39°0.42
Morning40°feels 36°
Afternoon43°feels 40°
Evening45°feels 42°
Overnight42°feels 38°
47 °
Mattawa, Monday, 23 November
Rain. High 47°, low 39°.
Pressure30.03 inHg
Wind6.3 mph N
Humidity78%
Visibility—
Dew point36°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Mattawa, WA around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.