10-day forecast for Index, WA: 28° to 53°, with precipitation expected on 8 days. The table below breaks each day into morning, afternoon, evening and overnight.
45°
Best day: Tuesday, November 3
46° · 1.69 in
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 2753° / 44°0.41
Morning50°feels 49°
Afternoon50°feels 50°
Evening46°feels 44°
Overnight50°feels 50°
53 °
Index, Tuesday, 27 October
Rain. High 53°, low 44°.
Pressure30.03 inHg
Wind2.6 mph SW
Humidity100%
Visibility0.6 mi
Dew point43°
Wed, 2846° / 37°1.69
Morning37°feels 35°
Afternoon45°feels 45°
Evening39°feels 39°
Overnight41°feels 41°
46 °
Index, Wednesday, 28 October
Snow. High 46°, low 37°.
Pressure29.97 inHg
Wind0.9 mph SE
Humidity86%
Visibility3.3 mi
Dew point34°
Thu, 2949° / 35°0.46
Morning37°feels 34°
Afternoon49°feels 49°
Evening38°feels 35°
Overnight40°feels 40°
49 °
Index, Thursday, 29 October
Snow. High 49°, low 35°.
Pressure30.00 inHg
Wind1.4 mph SE
Humidity75%
Visibility6.2 mi
Dew point32°
Fri, 3045° / 29°0.29
Morning37°feels 35°
Afternoon43°feels 43°
Evening41°feels 40°
Overnight32°feels 27°
45 °
Index, Friday, 30 October
Rain. High 45°, low 29°.
Pressure29.97 inHg
Wind5.2 mph E
Humidity83%
Visibility—
Dew point37°
Sat, 3150° / 28°0.14
Morning33°feels 28°
Afternoon44°feels 43°
Evening44°feels 44°
Overnight37°feels 36°
50 °
Index, Saturday, 31 October
Snow. High 50°, low 28°.
Pressure30.03 inHg
Wind5.5 mph E
Humidity75%
Visibility—
Dew point35°
Sun, 0140° / 31°0.44
Morning38°feels 38°
Afternoon38°feels 38°
Evening38°feels 37°
Overnight33°feels 29°
40 °
Index, Sunday, 1 November
Snow. High 40°, low 31°.
Pressure30.21 inHg
Wind4.5 mph E
Humidity99%
Visibility—
Dew point38°
Mon, 0243° / 28°0
Morning32°feels 26°
Afternoon40°feels 35°
Evening39°feels 34°
Overnight33°feels 26°
43 °
Index, Monday, 2 November
Overcast. High 43°, low 28°.
Pressure30.24 inHg
Wind8.4 mph E
Humidity90%
Visibility—
Dew point35°
Tue, 0345° / 35°0
Morning37°feels 31°
Afternoon42°feels 37°
Evening41°feels 37°
Overnight36°feels 31°
45 °
Index, Tuesday, 3 November
Light rain. High 45°, low 35°.
Pressure29.88 inHg
Wind8.2 mph E
Humidity87%
Visibility—
Dew point37°
Wed, 0447° / 39°0.61
Morning41°feels 37°
Afternoon42°feels 39°
Evening41°feels 37°
Overnight40°feels 36°
47 °
Index, Wednesday, 4 November
Rain. High 47°, low 39°.
Pressure29.94 inHg
Wind8.1 mph E
Humidity95%
Visibility—
Dew point41°
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.