10-day forecast for Cornwall, ID: 54° to 93°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
93°
Best day: Monday, August 17
81°
Worst day: Saturday, August 15
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0987° / 56°0
Morning66°feels 64°
Afternoon86°feels 83°
Evening73°feels 71°
Overnight62°feels 60°
87 °
Cornwall, Sunday, 9 August
Overcast. High 87°, low 56°.
Pressure29.88 inHg
Wind4.3 mph W
Humidity14%
Visibility6.2 mi
Dew point31°
Mon, 1087° / 54°0
Morning68°feels 66°
Afternoon86°feels 83°
Evening73°feels 72°
Overnight60°feels 57°
87 °
Cornwall, Monday, 10 August
Clear. High 87°, low 54°.
Pressure29.91 inHg
Wind8.3 mph W
Humidity17%
Visibility6.2 mi
Dew point34°
Tue, 1189° / 59°0
Morning70°feels 68°
Afternoon89°feels 85°
Evening75°feels 73°
Overnight63°feels 60°
89 °
Cornwall, Tuesday, 11 August
Clear. High 89°, low 59°.
Pressure29.94 inHg
Wind4.9 mph SW
Humidity17%
Visibility6.2 mi
Dew point36°
Wed, 1286° / 60°0
Morning69°feels 68°
Afternoon82°feels 80°
Evening82°feels 80°
Overnight65°feels 63°
86 °
Cornwall, Wednesday, 12 August
Clear. High 86°, low 60°.
Pressure29.85 inHg
Wind7.1 mph W
Humidity23%
Visibility6.2 mi
Dew point42°
Thu, 1382° / 58°0
Morning63°feels 62°
Afternoon78°feels 76°
Evening79°feels 77°
Overnight62°feels 60°
82 °
Cornwall, Thursday, 13 August
Clear. High 82°, low 58°.
Pressure29.85 inHg
Wind10.1 mph W
Humidity24%
Visibility—
Dew point35°
Fri, 1488° / 56°0
Morning64°feels 61°
Afternoon83°feels 81°
Evening85°feels 82°
Overnight67°feels 65°
88 °
Cornwall, Friday, 14 August
Clear. High 88°, low 56°.
Pressure29.91 inHg
Wind7.1 mph W
Humidity18%
Visibility—
Dew point31°
Sat, 1581° / 62°0
Morning68°feels 66°
Afternoon80°feels 78°
Evening75°feels 74°
Overnight62°feels 60°
81 °
Cornwall, Saturday, 15 August
Overcast. High 81°, low 62°.
Pressure29.94 inHg
Wind14 mph W
Humidity16%
Visibility—
Dew point28°
Sun, 1689° / 57°0
Morning64°feels 63°
Afternoon82°feels 81°
Evening84°feels 81°
Overnight66°feels 64°
89 °
Cornwall, Sunday, 16 August
Partly cloudy. High 89°, low 57°.
Pressure30.00 inHg
Wind11.1 mph NW
Humidity30%
Visibility—
Dew point44°
Mon, 1793° / 62°0
Morning69°feels 67°
Afternoon88°feels 85°
Evening91°feels 87°
Overnight73°feels 71°
93 °
Cornwall, Monday, 17 August
Clear. High 93°, low 62°.
Pressure29.97 inHg
Wind8.8 mph NW
Humidity22%
Visibility—
Dew point41°
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.