10-day forecast for Winchester, WA: 57° to 100°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
100°
Best day: Sunday, August 16
85°
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0985° / 58°0
Morning65°feels 62°
Afternoon83°feels 81°
Evening74°feels 72°
Overnight64°feels 62°
85 °
Winchester, Sunday, 9 August
Clear. High 85°, low 58°.
Pressure29.85 inHg
Wind5 mph SW
Humidity15%
Visibility6.2 mi
Dew point33°
Mon, 1092° / 58°0
Morning63°feels 61°
Afternoon89°feels 85°
Evening82°feels 80°
Overnight61°feels 59°
92 °
Winchester, Monday, 10 August
Clear. High 92°, low 58°.
Pressure29.88 inHg
Wind4.6 mph SW
Humidity18%
Visibility6.2 mi
Dew point36°
Tue, 1193° / 57°0
Morning68°feels 66°
Afternoon90°feels 86°
Evening83°feels 80°
Overnight62°feels 60°
93 °
Winchester, Tuesday, 11 August
Clear. High 93°, low 57°.
Pressure29.91 inHg
Wind4.6 mph S
Humidity18%
Visibility6.2 mi
Dew point37°
Wed, 1292° / 60°0
Morning69°feels 68°
Afternoon89°feels 85°
Evening82°feels 80°
Overnight64°feels 62°
92 °
Winchester, Wednesday, 12 August
Clear. High 92°, low 60°.
Pressure29.83 inHg
Wind5.3 mph SW
Humidity23%
Visibility6.2 mi
Dew point43°
Thu, 1388° / 60°0
Morning73°feels 71°
Afternoon84°feels 82°
Evening78°feels 77°
Overnight69°feels 67°
88 °
Winchester, Thursday, 13 August
Clear. High 88°, low 60°.
Pressure29.83 inHg
Wind9.6 mph N
Humidity21%
Visibility—
Dew point39°
Fri, 1490° / 62°0
Morning75°feels 73°
Afternoon86°feels 83°
Evening78°feels 78°
Overnight71°feels 69°
90 °
Winchester, Friday, 14 August
Clear. High 90°, low 62°.
Pressure29.91 inHg
Wind12.6 mph N
Humidity19%
Visibility—
Dew point38°
Sat, 1595° / 67°0
Morning81°feels 78°
Afternoon92°feels 88°
Evening82°feels 79°
Overnight74°feels 72°
95 °
Winchester, Saturday, 15 August
Overcast. High 95°, low 67°.
Pressure29.91 inHg
Wind8.1 mph S
Humidity13%
Visibility—
Dew point33°
Sun, 16100° / 66°0
Morning82°feels 80°
Afternoon97°feels 92°
Evening85°feels 82°
Overnight74°feels 73°
100 °
Winchester, Sunday, 16 August
Clear. High 100°, low 66°.
Pressure29.83 inHg
Wind13.5 mph W
Humidity8%
Visibility—
Dew point25°
Mon, 1799° / 63°0
Morning81°feels 78°
Afternoon95°feels 91°
Evening83°feels 81°
Overnight79°feels 78°
99 °
Winchester, Monday, 17 August
Partly cloudy. High 99°, low 63°.
Pressure29.83 inHg
Wind9.3 mph S
Humidity11%
Visibility—
Dew point32°
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 Winchester, 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.