10-day forecast for Lewiston, CA: 53° to 102°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
102°
Best day: Sunday, August 9
77°
Worst day: Tuesday, August 18
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 10101° / 62°0
Morning72°feels 71°
Afternoon99°feels 94°
Evening85°feels 82°
Overnight67°feels 66°
101 °
Lewiston, Monday, 10 August
Clear. High 101°, low 62°.
Pressure29.83 inHg
Wind3.8 mph SE
Humidity12%
Visibility6.2 mi
Dew point36°
Tue, 11101° / 62°0
Morning75°feels 73°
Afternoon100°feels 95°
Evening82°feels 80°
Overnight66°feels 64°
101 °
Lewiston, Tuesday, 11 August
Clear. High 101°, low 62°.
Pressure29.88 inHg
Wind5.5 mph SE
Humidity10%
Visibility6.2 mi
Dew point30°
Wed, 1299° / 63°0
Morning74°feels 72°
Afternoon99°feels 93°
Evening80°feels 79°
Overnight66°feels 64°
99 °
Lewiston, Wednesday, 12 August
Clear. High 99°, low 63°.
Pressure29.80 inHg
Wind5.2 mph SE
Humidity11%
Visibility6.2 mi
Dew point32°
Thu, 1392° / 61°0
Morning77°feels 75°
Afternoon89°feels 85°
Evening75°feels 74°
Overnight67°feels 66°
92 °
Lewiston, Thursday, 13 August
Clear. High 92°, low 61°.
Pressure29.77 inHg
Wind10 mph SE
Humidity15%
Visibility—
Dew point35°
Fri, 1492° / 59°0
Morning76°feels 74°
Afternoon89°feels 86°
Evening75°feels 74°
Overnight66°feels 65°
92 °
Lewiston, Friday, 14 August
Clear. High 92°, low 59°.
Pressure29.85 inHg
Wind9.4 mph SE
Humidity18%
Visibility—
Dew point40°
Sat, 1591° / 58°0
Morning75°feels 73°
Afternoon89°feels 85°
Evening76°feels 75°
Overnight67°feels 66°
91 °
Lewiston, Saturday, 15 August
Partly cloudy. High 91°, low 58°.
Pressure29.91 inHg
Wind7.4 mph SE
Humidity19%
Visibility—
Dew point40°
Sun, 1685° / 60°0.01
Morning69°feels 68°
Afternoon82°feels 80°
Evening68°feels 67°
Overnight62°feels 61°
85 °
Lewiston, Sunday, 16 August
Light rain. High 85°, low 60°.
Pressure30.00 inHg
Wind4.4 mph E
Humidity28%
Visibility—
Dew point45°
Mon, 1779° / 53°0
Morning65°feels 64°
Afternoon77°feels 77°
Evening66°feels 64°
Overnight59°feels 58°
79 °
Lewiston, Monday, 17 August
Overcast. High 79°, low 53°.
Pressure30.00 inHg
Wind7.8 mph E
Humidity26%
Visibility—
Dew point39°
Tue, 1877° / 56°0
Morning65°feels 63°
Afternoon71°feels 70°
Evening67°feels 67°
Overnight63°feels 63°
77 °
Lewiston, Tuesday, 18 August
Overcast. High 77°, low 56°.
Pressure30.00 inHg
Wind3.3 mph W
Humidity41%
Visibility—
Dew point45°
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, CA 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.