10-day forecast for Index, WA: 29° to 56°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
50°
Best day: Monday, November 2
46° · 1.48 in
Worst day: Wednesday, October 28
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2656° / 45°0.22
Morning48°feels 48°
Afternoon55°feels 54°
Evening52°feels 51°
Overnight47°feels 45°
56 °
Index, Monday, 26 October
Rain. High 56°, low 45°.
Pressure30.06 inHg
Wind0.4 mph SE
Humidity95%
Visibility6.2 mi
Dew point45°
Tue, 2754° / 43°0.57
Morning53°feels 53°
Afternoon48°feels 48°
Evening45°feels 42°
Overnight52°feels 51°
54 °
Index, Tuesday, 27 October
Rain. High 54°, low 43°.
Pressure30.00 inHg
Wind2.9 mph W
Humidity100%
Visibility1.6 mi
Dew point43°
Wed, 2846° / 39°1.48
Morning39°feels 37°
Afternoon44°feels 44°
Evening39°feels 38°
Overnight41°feels 38°
46 °
Index, Wednesday, 28 October
Snow. High 46°, low 39°.
Pressure29.97 inHg
Wind1.1 mph SE
Humidity88%
Visibility2.8 mi
Dew point36°
Thu, 2944° / 35°0.36
Morning35°feels 35°
Afternoon44°feels 44°
Evening41°feels 40°
Overnight40°feels 38°
44 °
Index, Thursday, 29 October
Snow. High 44°, low 35°.
Pressure29.97 inHg
Wind2.3 mph SE
Humidity82%
Visibility3.8 mi
Dew point34°
Fri, 3050° / 30°0.02
Morning35°feels 32°
Afternoon46°feels 46°
Evening43°feels 42°
Overnight30°feels 25°
50 °
Index, Friday, 30 October
Snow. High 50°, low 30°.
Pressure29.97 inHg
Wind4.5 mph E
Humidity74%
Visibility—
Dew point36°
Sat, 3149° / 29°0
Morning34°feels 30°
Afternoon45°feels 45°
Evening42°feels 39°
Overnight34°feels 29°
49 °
Index, Saturday, 31 October
Clear. High 49°, low 29°.
Pressure30.00 inHg
Wind5.6 mph E
Humidity72%
Visibility—
Dew point35°
Sun, 0140° / 33°0.02
Morning35°feels 35°
Afternoon40°feels 40°
Evening40°feels 40°
Overnight35°feels 35°
40 °
Index, Sunday, 1 November
Light rain. High 40°, low 33°.
Pressure30.06 inHg
Wind4.1 mph E
Humidity93%
Visibility—
Dew point37°
Mon, 0250° / 31°0
Morning36°feels 32°
Afternoon44°feels 42°
Evening42°feels 38°
Overnight34°feels 28°
50 °
Index, Monday, 2 November
Clear. High 50°, low 31°.
Pressure30.09 inHg
Wind7.7 mph E
Humidity62%
Visibility—
Dew point31°
Tue, 0345° / 34°0.22
Morning37°feels 30°
Afternoon43°feels 38°
Evening40°feels 35°
Overnight38°feels 32°
45 °
Index, Tuesday, 3 November
Rain. High 45°, low 34°.
Pressure29.88 inHg
Wind9.2 mph E
Humidity72%
Visibility—
Dew point33°
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.