10-day forecast for Index, WA: 36° to 61°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
57°
Best day: Wednesday, November 11
48° · 1.89 in
Worst day: Friday, November 6
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 0458° / 38°0.24
Morning39°feels 35°
Afternoon58°feels 56°
Evening45°feels 45°
Overnight38°feels 35°
58 °
Index, Wednesday, 4 November
Rain. High 58°, low 38°.
Pressure30.00 inHg
Wind1.6 mph SE
Humidity45%
Visibility6.2 mi
Dew point35°
Thu, 0551° / 42°0.65
Morning44°feels 44°
Afternoon51°feels 50°
Evening42°feels 40°
Overnight43°feels 43°
51 °
Index, Thursday, 5 November
Rain. High 51°, low 42°.
Pressure30.24 inHg
Wind2.7 mph E
Humidity94%
Visibility5.5 mi
Dew point43°
Fri, 0648° / 42°1.89
Morning43°feels 40°
Afternoon48°feels 47°
Evening47°feels 47°
Overnight43°feels 40°
48 °
Index, Friday, 6 November
Heavy rain. High 48°, low 42°.
Pressure30.12 inHg
Wind5 mph E
Humidity99%
Visibility1.5 mi
Dew point42°
Sat, 0761° / 48°0.38
Morning51°feels 50°
Afternoon54°feels 53°
Evening56°feels 55°
Overnight49°feels 48°
61 °
Index, Saturday, 7 November
Rain. High 61°, low 48°.
Pressure29.97 inHg
Wind6.8 mph E
Humidity98%
Visibility—
Dew point52°
Sun, 0850° / 43°1.37
Morning48°feels 48°
Afternoon47°feels 45°
Evening47°feels 47°
Overnight44°feels 44°
50 °
Index, Sunday, 8 November
Rain. High 50°, low 43°.
Pressure30.06 inHg
Wind5.8 mph SW
Humidity98%
Visibility—
Dew point47°
Mon, 0949° / 36°0
Morning38°feels 34°
Afternoon44°feels 40°
Evening45°feels 43°
Overnight41°feels 38°
49 °
Index, Monday, 9 November
Overcast. High 49°, low 36°.
Pressure30.09 inHg
Wind7.4 mph E
Humidity58%
Visibility—
Dew point28°
Tue, 1053° / 39°0.09
Morning44°feels 41°
Afternoon49°feels 48°
Evening48°feels 46°
Overnight40°feels 34°
53 °
Index, Tuesday, 10 November
Light rain. High 53°, low 39°.
Pressure30.21 inHg
Wind8.4 mph E
Humidity84%
Visibility—
Dew point43°
Wed, 1157° / 38°0
Morning42°feels 36°
Afternoon49°feels 46°
Evening49°feels 46°
Overnight41°feels 36°
57 °
Index, Wednesday, 11 November
Overcast. High 57°, low 38°.
Pressure30.06 inHg
Wind9.4 mph E
Humidity66%
Visibility—
Dew point37°
Thu, 1253° / 42°0.01
Morning44°feels 40°
Afternoon50°feels 47°
Evening49°feels 46°
Overnight44°feels 40°
53 °
Index, Thursday, 12 November
Light rain. High 53°, low 42°.
Pressure29.77 inHg
Wind8.7 mph E
Humidity64%
Visibility—
Dew point37°
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.