10-day forecast for Harper, WA: 52° to 94°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
94°
Best day: Saturday, August 15
75°
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0975° / 52°0
Morning55°feels 54°
Afternoon73°feels 71°
Evening67°feels 67°
Overnight58°feels 57°
75 °
Harper, Sunday, 9 August
Overcast. High 75°, low 52°.
Pressure30.03 inHg
Wind3.9 mph S
Humidity40%
Visibility6.2 mi
Dew point51°
Mon, 1084° / 52°0
Morning53°feels 52°
Afternoon83°feels 82°
Evening70°feels 69°
Overnight53°feels 53°
84 °
Harper, Monday, 10 August
Partly cloudy. High 84°, low 52°.
Pressure30.09 inHg
Wind3.7 mph SW
Humidity46%
Visibility6.2 mi
Dew point53°
Tue, 1187° / 52°0
Morning61°feels 60°
Afternoon86°feels 84°
Evening69°feels 69°
Overnight56°feels 55°
87 °
Harper, Tuesday, 11 August
Clear. High 87°, low 52°.
Pressure30.09 inHg
Wind0.8 mph SE
Humidity38%
Visibility6.2 mi
Dew point53°
Wed, 1282° / 54°0
Morning59°feels 59°
Afternoon81°feels 80°
Evening70°feels 69°
Overnight56°feels 56°
82 °
Harper, Wednesday, 12 August
Clear. High 82°, low 54°.
Pressure30.00 inHg
Wind5.7 mph SW
Humidity46%
Visibility6.2 mi
Dew point53°
Thu, 1383° / 52°0
Morning65°feels 64°
Afternoon81°feels 79°
Evening68°feels 68°
Overnight59°feels 58°
83 °
Harper, Thursday, 13 August
Clear. High 83°, low 52°.
Pressure29.94 inHg
Wind8.7 mph N
Humidity33%
Visibility—
Dew point48°
Fri, 1486° / 55°0
Morning69°feels 68°
Afternoon83°feels 81°
Evening70°feels 69°
Overnight63°feels 62°
86 °
Harper, Friday, 14 August
Clear. High 86°, low 55°.
Pressure29.94 inHg
Wind8.1 mph N
Humidity31%
Visibility—
Dew point49°
Sat, 1594° / 57°0
Morning74°feels 72°
Afternoon90°feels 87°
Evening70°feels 69°
Overnight63°feels 62°
94 °
Harper, Saturday, 15 August
Clear. High 94°, low 57°.
Pressure29.97 inHg
Wind9.4 mph N
Humidity22%
Visibility—
Dew point46°
Sun, 1692° / 55°0
Morning71°feels 70°
Afternoon88°feels 85°
Evening69°feels 68°
Overnight62°feels 61°
92 °
Harper, Sunday, 16 August
Clear. High 92°, low 55°.
Pressure29.97 inHg
Wind6 mph N
Humidity21%
Visibility—
Dew point43°
Mon, 1791° / 55°0
Morning71°feels 70°
Afternoon88°feels 85°
Evening68°feels 67°
Overnight61°feels 60°
91 °
Harper, Monday, 17 August
Clear. High 91°, low 55°.
Pressure29.97 inHg
Wind10 mph N
Humidity25%
Visibility—
Dew point47°
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.