10-day forecast for Marengo, WA: 37° to 67°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Wednesday, October 21
54° · 0.36 in
Worst day: Thursday, October 22
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1962° / 40°0
Morning45°feels 43°
Afternoon62°feels 60°
Evening47°feels 47°
Overnight42°feels 42°
62 °
Marengo, Monday, 19 October
Overcast. High 62°, low 40°.
Pressure29.91 inHg
Wind6.9 mph W
Humidity32%
Visibility6.2 mi
Dew point28°
Tue, 2065° / 47°0
Morning48°feels 48°
Afternoon64°feels 62°
Evening55°feels 53°
Overnight50°feels 50°
65 °
Marengo, Tuesday, 20 October
Overcast. High 65°, low 47°.
Pressure30.03 inHg
Wind3.3 mph NW
Humidity42%
Visibility6.2 mi
Dew point37°
Wed, 2167° / 48°0
Morning50°feels 50°
Afternoon67°feels 65°
Evening58°feels 56°
Overnight50°feels 48°
67 °
Marengo, Wednesday, 21 October
Overcast. High 67°, low 48°.
Pressure29.97 inHg
Wind2.8 mph N
Humidity39%
Visibility6.2 mi
Dew point37°
Thu, 2254° / 51°0.36
Morning54°feels 51°
Afternoon53°feels 52°
Evening52°feels 51°
Overnight53°feels 51°
54 °
Marengo, Thursday, 22 October
Rain. High 54°, low 51°.
Pressure29.83 inHg
Wind19.1 mph SW
Humidity86%
Visibility—
Dew point49°
Fri, 2354° / 43°0
Morning45°feels 38°
Afternoon50°feels 44°
Evening51°feels 47°
Overnight45°feels 39°
54 °
Marengo, Friday, 23 October
Clear. High 54°, low 43°.
Pressure30.15 inHg
Wind19.6 mph SW
Humidity59%
Visibility—
Dew point35°
Sat, 2457° / 42°0
Morning45°feels 41°
Afternoon53°feels 49°
Evening53°feels 50°
Overnight48°feels 45°
57 °
Marengo, Saturday, 24 October
Overcast. High 57°, low 42°.
Pressure30.30 inHg
Wind8.2 mph S
Humidity26%
Visibility—
Dew point18°
Sun, 2549° / 45°0.16
Morning49°feels 47°
Afternoon48°feels 48°
Evening46°feels 46°
Overnight46°feels 46°
49 °
Marengo, Sunday, 25 October
Light rain. High 49°, low 45°.
Pressure30.09 inHg
Wind5.2 mph SE
Humidity38%
Visibility—
Dew point24°
Mon, 2645° / 41°0.08
Morning44°feels 43°
Afternoon43°feels 39°
Evening42°feels 38°
Overnight42°feels 39°
45 °
Marengo, Monday, 26 October
Light rain. High 45°, low 41°.
Pressure30.03 inHg
Wind8.6 mph W
Humidity82%
Visibility—
Dew point39°
Tue, 2750° / 41°0.07
Morning42°feels 37°
Afternoon47°feels 41°
Evening49°feels 46°
Overnight42°feels 38°
50 °
Marengo, Tuesday, 27 October
Light rain. High 50°, low 41°.
Pressure30.00 inHg
Wind14.9 mph SW
Humidity66%
Visibility—
Dew point35°
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 Marengo, 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.