10-day forecast for Cornwall, ID: 33° to 74°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Thursday, October 8
46° · 0.08 in
Worst day: Sunday, October 11
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 0969° / 42°0.02
Morning52°feels 50°
Afternoon68°feels 66°
Evening49°feels 46°
Overnight43°feels 43°
69 °
Cornwall, Friday, 9 October
Light rain. High 69°, low 42°.
Pressure29.68 inHg
Wind15.4 mph W
Humidity33%
Visibility6.2 mi
Dew point35°
Sat, 1051° / 33°0
Morning38°feels 34°
Afternoon51°feels 48°
Evening43°feels 40°
Overnight36°feels 28°
51 °
Cornwall, Saturday, 10 October
Partly cloudy. High 51°, low 33°.
Pressure29.80 inHg
Wind4.3 mph NW
Humidity51%
Visibility6.2 mi
Dew point31°
Sun, 1146° / 38°0.08
Morning39°feels 32°
Afternoon45°feels 40°
Evening41°feels 37°
Overnight42°feels 36°
46 °
Cornwall, Sunday, 11 October
Light rain. High 46°, low 38°.
Pressure29.91 inHg
Wind9.3 mph NE
Humidity70%
Visibility6.2 mi
Dew point32°
Mon, 1250° / 37°0.09
Morning37°feels 37°
Afternoon50°feels 47°
Evening48°feels 48°
Overnight38°feels 36°
50 °
Cornwall, Monday, 12 October
Light rain. High 50°, low 37°.
Pressure30.06 inHg
Wind1.3 mph NE
Humidity73%
Visibility6.2 mi
Dew point35°
Tue, 1356° / 34°0
Morning39°feels 39°
Afternoon50°feels 50°
Evening52°feels 49°
Overnight40°feels 40°
56 °
Cornwall, Tuesday, 13 October
Clear. High 56°, low 34°.
Pressure30.12 inHg
Wind4.6 mph NW
Humidity51%
Visibility—
Dew point30°
Wed, 1454° / 40°0.11
Morning43°feels 42°
Afternoon51°feels 49°
Evening49°feels 48°
Overnight45°feels 45°
54 °
Cornwall, Wednesday, 14 October
Light rain. High 54°, low 40°.
Pressure30.06 inHg
Wind10.5 mph W
Humidity57%
Visibility—
Dew point35°
Thu, 1556° / 40°0.03
Morning44°feels 41°
Afternoon52°feels 49°
Evening52°feels 49°
Overnight40°feels 37°
56 °
Cornwall, Thursday, 15 October
Light rain. High 56°, low 40°.
Pressure30.36 inHg
Wind5.3 mph NE
Humidity53%
Visibility—
Dew point33°
Fri, 1656° / 35°0
Morning39°feels 35°
Afternoon49°feels 46°
Evening52°feels 49°
Overnight42°feels 40°
56 °
Cornwall, Friday, 16 October
Mostly clear. High 56°, low 35°.
Pressure30.50 inHg
Wind8 mph E
Humidity42%
Visibility—
Dew point25°
Sat, 1761° / 39°0
Morning43°feels 39°
Afternoon54°feels 51°
Evening56°feels 54°
Overnight44°feels 44°
61 °
Cornwall, Saturday, 17 October
Partly cloudy. High 61°, low 39°.
Pressure30.30 inHg
Wind5.7 mph SE
Humidity37%
Visibility—
Dew point26°
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 Cornwall, ID 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.