This year's long-range forecast for Lewiston reveals higher temperatures, peaking at 34°, indicative of a warming trend against the historical average.
Select a month and click on a day for more information:
Saturday
Aug 1
26° / 15°
Sunday
Aug 2
27° / 15°
Monday
Aug 3
27° / 14°
Tuesday
Aug 4
31° / 15°
Wednesday
Aug 5
30° / 15°
Thursday
Aug 6
33° / 16°
Friday
Aug 7
34° / 21°
Saturday
Aug 8
32° / 20°
Sunday
Aug 9
33° / 19°
Monday
Aug 10
33° / 19°
Tuesday
Aug 11
28° / 15°
Wednesday
Aug 12
15° / 13°
Thursday
Aug 13
27° / 14°
Friday
Aug 14
23° / 13°
Saturday
Aug 15
27° / 11°
Sunday
Aug 16
27° / 15°
Monday
Aug 17
28° / 13°
Tuesday
Aug 18
22° / 15°
Wednesday
Aug 19
23° / 14°
Thursday
Aug 20
25° / 13°
Friday
Aug 21
25° / 14°
Saturday
Aug 22
24° / 13°
Sunday
Aug 23
23° / 13°
Monday
Aug 24
26° / 15°
Tuesday
Aug 25
25° / 15°
Wednesday
Aug 26
26° / 16°
Thursday
Aug 27
25° / 13°
Friday
Aug 28
22° / 12°
Saturday
Aug 29
25° / 12°
Sunday
Aug 30
25° / 14°
Monday
Aug 31
25° / 13°
Lewiston 30 days weather forecast
Check out our estimated 30 days weather forecast for Lewiston, this data is based on the average weather in Lewiston in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Lewiston next to the desired date.