10-day forecast for Harper, WA: 42° to 63°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
63°
Best day: Thursday, October 29
49° · 0.18 in
Worst day: Friday, October 30
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2258° / 46°0
Morning46°feels 46°
Afternoon58°feels 56°
Evening50°feels 49°
Overnight48°feels 48°
58 °
Harper, Thursday, 22 October
Partly cloudy. High 58°, low 46°.
Pressure29.97 inHg
Wind3.4 mph N
Humidity68%
Visibility6.2 mi
Dew point45°
Fri, 2357° / 46°0
Morning46°feels 45°
Afternoon57°feels 55°
Evening51°feels 50°
Overnight48°feels 48°
57 °
Harper, Friday, 23 October
Partly cloudy. High 57°, low 46°.
Pressure30.30 inHg
Wind4.2 mph NW
Humidity65%
Visibility6.2 mi
Dew point42°
Sat, 2451° / 42°0.01
Morning42°feels 42°
Afternoon50°feels 49°
Evening49°feels 47°
Overnight46°feels 44°
51 °
Harper, Saturday, 24 October
Light rain. High 51°, low 42°.
Pressure30.21 inHg
Wind1.5 mph SE
Humidity83%
Visibility1.8 mi
Dew point44°
Sun, 2559° / 47°0
Morning49°feels 48°
Afternoon53°feels 51°
Evening57°feels 56°
Overnight47°feels 47°
59 °
Harper, Sunday, 25 October
Partly cloudy. High 59°, low 47°.
Pressure30.09 inHg
Wind7.8 mph N
Humidity78%
Visibility—
Dew point45°
Mon, 2662° / 48°0
Morning50°feels 48°
Afternoon56°feels 55°
Evening58°feels 57°
Overnight51°feels 49°
62 °
Harper, Monday, 26 October
Mostly clear. High 62°, low 48°.
Pressure30.06 inHg
Wind8.9 mph N
Humidity81%
Visibility—
Dew point48°
Tue, 2759° / 46°0
Morning51°feels 50°
Afternoon56°feels 54°
Evening54°feels 53°
Overnight47°feels 45°
59 °
Harper, Tuesday, 27 October
Overcast. High 59°, low 46°.
Pressure30.15 inHg
Wind5.4 mph N
Humidity66%
Visibility—
Dew point44°
Wed, 2861° / 42°0
Morning46°feels 46°
Afternoon55°feels 53°
Evening55°feels 54°
Overnight45°feels 43°
61 °
Harper, Wednesday, 28 October
Clear. High 61°, low 42°.
Pressure30.21 inHg
Wind6.2 mph N
Humidity66%
Visibility—
Dew point42°
Thu, 2963° / 42°0
Morning46°feels 44°
Afternoon55°feels 54°
Evening58°feels 56°
Overnight46°feels 44°
63 °
Harper, Thursday, 29 October
Clear. High 63°, low 42°.
Pressure30.03 inHg
Wind4.5 mph N
Humidity69%
Visibility—
Dew point43°
Fri, 3049° / 45°0.18
Morning49°feels 45°
Afternoon49°feels 46°
Evening49°feels 48°
Overnight47°feels 46°
49 °
Harper, Friday, 30 October
Light rain. High 49°, low 45°.
Pressure29.74 inHg
Wind10.4 mph S
Humidity88%
Visibility—
Dew point46°
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 Harper, 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.