10-day forecast for Index, WA: 31° to 67°, with precipitation expected on 7 days. The table below breaks each day into morning, afternoon, evening and overnight.
67°
Best day: Wednesday, November 11
52° · 1.32 in
Worst day: Tuesday, November 10
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1167° / 49°0
Morning50°feels 49°
Afternoon67°feels 66°
Evening54°feels 53°
Overnight50°feels 47°
67 °
Index, Wednesday, 11 November
Overcast. High 67°, low 49°.
Pressure30.00 inHg
Wind5 mph E
Humidity64%
Visibility6.2 mi
Dew point46°
Thu, 1264° / 48°0
Morning52°feels 51°
Afternoon63°feels 61°
Evening49°feels 45°
Overnight51°feels 49°
64 °
Index, Thursday, 12 November
Overcast. High 64°, low 48°.
Pressure29.77 inHg
Wind5 mph E
Humidity51%
Visibility6.2 mi
Dew point41°
Fri, 1361° / 48°0.38
Morning51°feels 49°
Afternoon55°feels 54°
Evening50°feels 50°
Overnight50°feels 46°
61 °
Index, Friday, 13 November
Rain. High 61°, low 48°.
Pressure29.32 inHg
Wind6.6 mph E
Humidity52%
Visibility—
Dew point39°
Sat, 1452° / 44°0.06
Morning45°feels 44°
Afternoon51°feels 50°
Evening49°feels 49°
Overnight45°feels 45°
52 °
Index, Saturday, 14 November
Light rain. High 52°, low 44°.
Pressure29.77 inHg
Wind2.3 mph E
Humidity93%
Visibility5.1 mi
Dew point44°
Sun, 1548° / 47°0.85
Morning48°feels 45°
Afternoon47°feels 44°
Evening47°feels 46°
Overnight47°feels 46°
48 °
Index, Sunday, 15 November
Rain. High 48°, low 47°.
Pressure29.80 inHg
Wind6.8 mph E
Humidity97%
Visibility—
Dew point47°
Mon, 1647° / 43°0.4
Morning47°feels 47°
Afternoon47°feels 47°
Evening44°feels 44°
Overnight44°feels 44°
47 °
Index, Monday, 16 November
Light rain. High 47°, low 43°.
Pressure29.97 inHg
Wind3.3 mph W
Humidity94%
Visibility—
Dew point46°
Tue, 1747° / 40°0.44
Morning42°feels 42°
Afternoon44°feels 44°
Evening45°feels 42°
Overnight40°feels 37°
47 °
Index, Tuesday, 17 November
Rain. High 47°, low 40°.
Pressure29.97 inHg
Wind6.8 mph E
Humidity90%
Visibility—
Dew point41°
Wed, 1840° / 37°0.79
Morning39°feels 39°
Afternoon39°feels 39°
Evening39°feels 39°
Overnight38°feels 38°
40 °
Index, Wednesday, 18 November
Snow. High 40°, low 37°.
Pressure29.80 inHg
Wind4.5 mph E
Humidity99%
Visibility—
Dew point39°
Thu, 1943° / 31°0.04
Morning37°feels 37°
Afternoon39°feels 39°
Evening37°feels 36°
Overnight32°feels 26°
43 °
Index, Thursday, 19 November
Light snow. High 43°, low 31°.
Pressure30.15 inHg
Wind6.9 mph E
Humidity82%
Visibility—
Dew point34°
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.