10-day forecast for Index, WA: 32° to 64°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
64°
Best day: Wednesday, November 11
50° · 0.72 in
Worst day: Sunday, November 15
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1263° / 48°0
Morning49°feels 46°
Afternoon63°feels 61°
Evening55°feels 53°
Overnight50°feels 49°
63 °
Index, Thursday, 12 November
Overcast. High 63°, low 48°.
Pressure29.71 inHg
Wind6.3 mph E
Humidity57%
Visibility6.2 mi
Dew point43°
Fri, 1358° / 46°0.19
Morning52°feels 50°
Afternoon55°feels 54°
Evening50°feels 50°
Overnight55°feels 53°
58 °
Index, Friday, 13 November
Light rain. High 58°, low 46°.
Pressure29.32 inHg
Wind3.5 mph E
Humidity74%
Visibility3.1 mi
Dew point43°
Sat, 1454° / 42°0.26
Morning44°feels 41°
Afternoon53°feels 52°
Evening49°feels 46°
Overnight46°feels 45°
54 °
Index, Saturday, 14 November
Rain. High 54°, low 42°.
Pressure29.74 inHg
Wind4.5 mph E
Humidity93%
Visibility6.2 mi
Dew point45°
Sun, 1550° / 46°0.72
Morning48°feels 47°
Afternoon49°feels 49°
Evening47°feels 47°
Overnight49°feels 46°
50 °
Index, Sunday, 15 November
Rain. High 50°, low 46°.
Pressure29.80 inHg
Wind1.5 mph E
Humidity99%
Visibility2.2 mi
Dew point45°
Mon, 1647° / 38°0.48
Morning42°feels 42°
Afternoon42°feels 42°
Evening43°feels 43°
Overnight42°feels 42°
47 °
Index, Monday, 16 November
Rain. High 47°, low 38°.
Pressure30.06 inHg
Wind2.8 mph SW
Humidity91%
Visibility—
Dew point40°
Tue, 1749° / 35°0
Morning41°feels 41°
Afternoon44°feels 44°
Evening41°feels 40°
Overnight36°feels 32°
49 °
Index, Tuesday, 17 November
Mostly clear. High 49°, low 35°.
Pressure30.12 inHg
Wind6.2 mph E
Humidity73%
Visibility—
Dew point35°
Wed, 1843° / 35°0.22
Morning38°feels 33°
Afternoon41°feels 40°
Evening38°feels 38°
Overnight37°feels 36°
43 °
Index, Wednesday, 18 November
Snow. High 43°, low 35°.
Pressure29.88 inHg
Wind6.5 mph E
Humidity69%
Visibility—
Dew point32°
Thu, 1943° / 33°0
Morning36°feels 36°
Afternoon40°feels 40°
Evening39°feels 39°
Overnight33°feels 33°
43 °
Index, Thursday, 19 November
Overcast. High 43°, low 33°.
Pressure30.15 inHg
Wind2.8 mph W
Humidity83%
Visibility—
Dew point35°
Fri, 2047° / 32°0
Morning35°feels 33°
Afternoon42°feels 42°
Evening38°feels 37°
Overnight34°feels 30°
47 °
Index, Friday, 20 November
Mostly clear. High 47°, low 32°.
Pressure30.27 inHg
Wind4.7 mph E
Humidity69%
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.