10-day forecast for Index, WA: 28° to 58°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
58°
Best day: Thursday, November 5
47° · 1.22 in
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 2847° / 38°1.22
Morning42°feels 41°
Afternoon45°feels 45°
Evening38°feels 38°
Overnight45°feels 45°
47 °
Index, Wednesday, 28 October
Rain. High 47°, low 38°.
Pressure30.00 inHg
Wind0.9 mph SE
Humidity91%
Visibility2.8 mi
Dew point36°
Thu, 2953° / 28°0
Morning28°feels 22°
Afternoon53°feels 50°
Evening38°feels 34°
Overnight34°feels 30°
53 °
Index, Thursday, 29 October
Mostly clear. High 53°, low 28°.
Pressure30.00 inHg
Wind4.4 mph E
Humidity60%
Visibility6.2 mi
Dew point29°
Fri, 3047° / 31°0.52
Morning38°feels 38°
Afternoon47°feels 47°
Evening34°feels 34°
Overnight39°feels 35°
47 °
Index, Friday, 30 October
Snow. High 47°, low 31°.
Pressure29.97 inHg
Wind1.3 mph SE
Humidity84%
Visibility4.2 mi
Dew point34°
Sat, 3153° / 31°0.02
Morning36°feels 32°
Afternoon47°feels 47°
Evening46°feels 45°
Overnight32°feels 27°
53 °
Index, Saturday, 31 October
Light rain. High 53°, low 31°.
Pressure30.00 inHg
Wind5.5 mph E
Humidity68%
Visibility—
Dew point35°
Sun, 0147° / 31°0
Morning37°feels 35°
Afternoon46°feels 46°
Evening43°feels 42°
Overnight33°feels 29°
47 °
Index, Sunday, 1 November
Partly cloudy. High 47°, low 31°.
Pressure30.21 inHg
Wind4.8 mph E
Humidity76%
Visibility—
Dew point38°
Mon, 0248° / 30°0
Morning34°feels 29°
Afternoon44°feels 40°
Evening42°feels 38°
Overnight36°feels 30°
48 °
Index, Monday, 2 November
Overcast. High 48°, low 30°.
Pressure30.45 inHg
Wind8.2 mph E
Humidity76%
Visibility—
Dew point35°
Tue, 0350° / 36°0
Morning39°feels 33°
Afternoon44°feels 39°
Evening44°feels 39°
Overnight39°feels 34°
50 °
Index, Tuesday, 3 November
Overcast. High 50°, low 36°.
Pressure30.18 inHg
Wind9.2 mph E
Humidity79%
Visibility—
Dew point37°
Wed, 0453° / 37°0
Morning42°feels 37°
Afternoon52°feels 50°
Evening48°feels 47°
Overnight43°feels 40°
53 °
Index, Wednesday, 4 November
Overcast. High 53°, low 37°.
Pressure30.06 inHg
Wind7 mph E
Humidity60%
Visibility—
Dew point37°
Thu, 0558° / 43°0
Morning47°feels 45°
Afternoon52°feels 50°
Evening51°feels 50°
Overnight44°feels 41°
58 °
Index, Thursday, 5 November
Overcast. High 58°, low 43°.
Pressure30.06 inHg
Wind6.4 mph E
Humidity67%
Visibility—
Dew point40°
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 Index, 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.