10-day forecast for Lewiston, ID: 62° to 98°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
96°
Best day: Friday, August 14
93° · 0.38 in
Worst day: Sunday, August 16
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1093° / 64°0
Morning72°feels 70°
Afternoon90°feels 86°
Evening82°feels 80°
Overnight68°feels 66°
93 °
Lewiston, Monday, 10 August
Clear. High 93°, low 64°.
Pressure29.88 inHg
Wind3.3 mph NW
Humidity15%
Visibility6.2 mi
Dew point33°
Tue, 1194° / 64°0
Morning73°feels 72°
Afternoon93°feels 89°
Evening83°feels 80°
Overnight69°feels 67°
94 °
Lewiston, Tuesday, 11 August
Clear. High 94°, low 64°.
Pressure29.94 inHg
Wind4.7 mph NW
Humidity15%
Visibility6.2 mi
Dew point33°
Wed, 1294° / 67°0
Morning75°feels 73°
Afternoon94°feels 90°
Evening82°feels 80°
Overnight71°feels 69°
94 °
Lewiston, Wednesday, 12 August
Clear. High 94°, low 67°.
Pressure29.83 inHg
Wind3.1 mph NW
Humidity20%
Visibility6.2 mi
Dew point41°
Thu, 1393° / 68°0
Morning73°feels 72°
Afternoon88°feels 85°
Evening90°feels 87°
Overnight72°feels 70°
93 °
Lewiston, Thursday, 13 August
Clear. High 93°, low 68°.
Pressure29.77 inHg
Wind12.5 mph NW
Humidity25%
Visibility—
Dew point45°
Fri, 1496° / 69°0
Morning75°feels 73°
Afternoon90°feels 86°
Evening93°feels 89°
Overnight76°feels 75°
96 °
Lewiston, Friday, 14 August
Overcast. High 96°, low 69°.
Pressure29.85 inHg
Wind8.6 mph NW
Humidity20%
Visibility—
Dew point40°
Sat, 1598° / 72°0.12
Morning76°feels 74°
Afternoon86°feels 84°
Evening79°feels 80°
Overnight73°feels 73°
98 °
Lewiston, Saturday, 15 August
Light rain. High 98°, low 72°.
Pressure29.94 inHg
Wind8.5 mph S
Humidity25%
Visibility—
Dew point46°
Sun, 1693° / 69°0.38
Morning75°feels 75°
Afternoon84°feels 83°
Evening74°feels 74°
Overnight69°feels 70°
93 °
Lewiston, Sunday, 16 August
Rain. High 93°, low 69°.
Pressure29.88 inHg
Wind15.7 mph S
Humidity40%
Visibility—
Dew point56°
Mon, 1781° / 66°0.04
Morning70°feels 70°
Afternoon77°feels 77°
Evening70°feels 70°
Overnight66°feels 66°
81 °
Lewiston, Monday, 17 August
Light rain. High 81°, low 66°.
Pressure29.91 inHg
Wind21.8 mph NW
Humidity58%
Visibility—
Dew point60°
Tue, 1882° / 62°0
Morning65°feels 65°
Afternoon75°feels 74°
Evening81°feels 79°
Overnight70°feels 69°
82 °
Lewiston, Tuesday, 18 August
Overcast. High 82°, low 62°.
Pressure30.00 inHg
Wind6.8 mph NW
Humidity51%
Visibility—
Dew point53°
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 Lewiston, 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.