10-day forecast for Index, WA: 33° to 57°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
57°
Best day: Saturday, October 24
53° · 0.54 in
Worst day: Sunday, October 25
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2457° / 33°0
Morning33°feels 30°
Afternoon56°feels 54°
Evening49°feels 49°
Overnight34°feels 32°
57 °
Index, Saturday, 24 October
Overcast. High 57°, low 33°.
Pressure30.15 inHg
Wind1.4 mph SE
Humidity50%
Visibility6.2 mi
Dew point30°
Sun, 2553° / 44°0.54
Morning45°feels 41°
Afternoon49°feels 46°
Evening47°feels 45°
Overnight46°feels 45°
53 °
Index, Sunday, 25 October
Rain. High 53°, low 44°.
Pressure30.00 inHg
Wind7.2 mph E
Humidity97%
Visibility4.5 mi
Dew point42°
Mon, 2655° / 44°0.2
Morning44°feels 44°
Afternoon55°feels 54°
Evening49°feels 49°
Overnight46°feels 44°
55 °
Index, Monday, 26 October
Light rain. High 55°, low 44°.
Pressure30.00 inHg
Wind2 mph W
Humidity83%
Visibility6.2 mi
Dew point45°
Tue, 2753° / 44°0
Morning48°feels 48°
Afternoon50°feels 50°
Evening51°feels 50°
Overnight45°feels 45°
53 °
Index, Tuesday, 27 October
Light rain. High 53°, low 44°.
Pressure30.21 inHg
Wind2.7 mph W
Humidity87%
Visibility—
Dew point46°
Wed, 2854° / 36°0.33
Morning44°feels 41°
Afternoon53°feels 51°
Evening47°feels 45°
Overnight37°feels 32°
54 °
Index, Wednesday, 28 October
Rain. High 54°, low 36°.
Pressure30.18 inHg
Wind5.9 mph E
Humidity67%
Visibility—
Dew point41°
Thu, 2947° / 34°0
Morning37°feels 33°
Afternoon44°feels 44°
Evening42°feels 42°
Overnight35°feels 32°
47 °
Index, Thursday, 29 October
Overcast. High 47°, low 34°.
Pressure29.97 inHg
Wind5.8 mph E
Humidity77%
Visibility—
Dew point35°
Fri, 3043° / 36°0
Morning38°feels 38°
Afternoon42°feels 41°
Evening40°feels 40°
Overnight39°feels 39°
43 °
Index, Friday, 30 October
Light rain. High 43°, low 36°.
Pressure30.03 inHg
Wind3.6 mph W
Humidity73%
Visibility—
Dew point33°
Sat, 3144° / 34°0.03
Morning39°feels 39°
Afternoon42°feels 42°
Evening41°feels 40°
Overnight35°feels 32°
44 °
Index, Saturday, 31 October
Snow. High 44°, low 34°.
Pressure30.12 inHg
Wind3.6 mph E
Humidity77%
Visibility—
Dew point35°
Sun, 0149° / 33°0
Morning37°feels 34°
Afternoon45°feels 45°
Evening42°feels 42°
Overnight35°feels 31°
49 °
Index, Sunday, 1 November
Mostly clear. High 49°, low 33°.
Pressure30.33 inHg
Wind4 mph E
Humidity62%
Visibility—
Dew point31°
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.