10-day forecast for Roche Harbor, WA: 52° to 72°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Monday, August 10
65°
Worst day: Tuesday, August 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1072° / 52°0
Morning55°feels 54°
Afternoon70°feels 70°
Evening66°feels 65°
Overnight55°feels 55°
72 °
Roche Harbor, Monday, 10 August
Mostly clear. High 72°, low 52°.
Pressure30.09 inHg
Wind6.8 mph S
Humidity75%
Visibility6.2 mi
Dew point53°
Tue, 1166° / 56°0
Morning59°feels 58°
Afternoon65°feels 64°
Evening63°feels 63°
Overnight57°feels 57°
66 °
Roche Harbor, Tuesday, 11 August
Clear. High 66°, low 56°.
Pressure30.12 inHg
Wind1.5 mph NE
Humidity72%
Visibility6.2 mi
Dew point54°
Wed, 1267° / 58°0
Morning60°feels 59°
Afternoon66°feels 66°
Evening63°feels 63°
Overnight60°feels 59°
67 °
Roche Harbor, Wednesday, 12 August
Clear. High 67°, low 58°.
Pressure30.03 inHg
Wind9.1 mph N
Humidity73%
Visibility6.2 mi
Dew point55°
Thu, 1370° / 59°0
Morning61°feels 61°
Afternoon68°feels 67°
Evening65°feels 65°
Overnight60°feels 59°
70 °
Roche Harbor, Thursday, 13 August
Clear. High 70°, low 59°.
Pressure29.88 inHg
Wind6.3 mph N
Humidity67%
Visibility—
Dew point56°
Fri, 1468° / 60°0
Morning63°feels 63°
Afternoon67°feels 67°
Evening64°feels 64°
Overnight62°feels 62°
68 °
Roche Harbor, Friday, 14 August
Overcast. High 68°, low 60°.
Pressure29.91 inHg
Wind6 mph S
Humidity63%
Visibility—
Dew point54°
Sat, 1567° / 58°0
Morning61°feels 61°
Afternoon65°feels 64°
Evening63°feels 63°
Overnight61°feels 61°
67 °
Roche Harbor, Saturday, 15 August
Overcast. High 67°, low 58°.
Pressure30.00 inHg
Wind8.3 mph SW
Humidity69%
Visibility—
Dew point54°
Sun, 1669° / 58°0
Morning62°feels 61°
Afternoon65°feels 65°
Evening64°feels 64°
Overnight60°feels 60°
69 °
Roche Harbor, Sunday, 16 August
Overcast. High 69°, low 58°.
Pressure30.06 inHg
Wind8.4 mph SW
Humidity69%
Visibility—
Dew point54°
Mon, 1765° / 57°0
Morning60°feels 60°
Afternoon65°feels 64°
Evening62°feels 61°
Overnight60°feels 59°
65 °
Roche Harbor, Monday, 17 August
Overcast. High 65°, low 57°.
Pressure30.15 inHg
Wind11.3 mph S
Humidity65%
Visibility—
Dew point52°
Tue, 1865° / 59°0
Morning61°feels 61°
Afternoon65°feels 64°
Evening62°feels 62°
Overnight60°feels 60°
65 °
Roche Harbor, Tuesday, 18 August
Overcast. High 65°, low 59°.
Pressure30.15 inHg
Wind6.1 mph S
Humidity71%
Visibility—
Dew point55°
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 Roche Harbor, 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.