10-day forecast for Index, WA: 30° to 65°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
65°
Best day: Tuesday, November 3
42° · 1.12 in
Worst day: Saturday, November 7
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3048° / 38°0.3
Morning41°feels 39°
Afternoon47°feels 47°
Evening44°feels 44°
Overnight40°feels 36°
48 °
Index, Friday, 30 October
Rain. High 48°, low 38°.
Pressure29.91 inHg
Wind0.4 mph SE
Humidity86%
Visibility5.7 mi
Dew point37°
Sat, 3156° / 30°0
Morning30°feels 26°
Afternoon55°feels 53°
Evening39°feels 37°
Overnight35°feels 35°
56 °
Index, Saturday, 31 October
Mostly clear. High 56°, low 30°.
Pressure30.03 inHg
Wind2.4 mph SE
Humidity62%
Visibility6.2 mi
Dew point35°
Sun, 0156° / 35°0
Morning35°feels 32°
Afternoon56°feels 54°
Evening40°feels 40°
Overnight36°feels 33°
56 °
Index, Sunday, 1 November
Clear. High 56°, low 35°.
Pressure30.09 inHg
Wind2.4 mph W
Humidity56%
Visibility6.2 mi
Dew point35°
Mon, 0262° / 34°0
Morning34°feels 29°
Afternoon54°feels 51°
Evening53°feels 50°
Overnight35°feels 32°
62 °
Index, Monday, 2 November
Partly cloudy. High 62°, low 34°.
Pressure30.27 inHg
Wind5.7 mph E
Humidity54%
Visibility—
Dew point35°
Tue, 0365° / 42°0
Morning49°feels 46°
Afternoon58°feels 56°
Evening55°feels 54°
Overnight43°feels 39°
65 °
Index, Tuesday, 3 November
Mostly clear. High 65°, low 42°.
Pressure30.24 inHg
Wind6.2 mph E
Humidity52%
Visibility—
Dew point38°
Wed, 0458° / 40°0
Morning44°feels 39°
Afternoon51°feels 49°
Evening50°feels 48°
Overnight44°feels 41°
58 °
Index, Wednesday, 4 November
Overcast. High 58°, low 40°.
Pressure29.94 inHg
Wind8.1 mph E
Humidity56%
Visibility—
Dew point35°
Thu, 0551° / 43°0.22
Morning47°feels 45°
Afternoon50°feels 48°
Evening44°feels 44°
Overnight44°feels 44°
51 °
Index, Thursday, 5 November
Light rain. High 51°, low 43°.
Pressure29.94 inHg
Wind5 mph E
Humidity59%
Visibility—
Dew point37°
Fri, 0646° / 39°0.21
Morning43°feels 42°
Afternoon45°feels 44°
Evening41°feels 40°
Overnight41°feels 39°
46 °
Index, Friday, 6 November
Rain. High 46°, low 39°.
Pressure30.00 inHg
Wind4 mph SE
Humidity76%
Visibility—
Dew point38°
Sat, 0742° / 38°1.12
Morning40°feels 35°
Afternoon42°feels 37°
Evening40°feels 34°
Overnight39°feels 34°
42 °
Index, Saturday, 7 November
Heavy rain. High 42°, low 38°.
Pressure30.03 inHg
Wind9.1 mph E
Humidity87%
Visibility—
Dew point38°
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.