Lewiston weather live forecast

Today's maximum temperature in Lewiston is expected to be 31°C. Select a day from the live weather forecast for Lewiston, Idaho, USA for more weather parameters.

Sunday
26th Jul
31

16

14

8
Monday
27th Jul
31

17

14

8
Tuesday
28th Jul
31

17

14

8
Wednesday
29th Jul
31

16

14

7
Thursday
30th Jul
33

17

15

8

5-day weather forecast updated at 04:01 on Sunday 26th July 2026 GMT

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The 5-day weather forecast for Idaho (Lewiston) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Lewiston weather forecast by day

Below are the detailed weather forecasts for Lewiston for the next 5 days.

Lewiston weather for Sunday 26th July 2026

Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

31
°C maximum temperature
16
°C minimum temperature
scattered clouds
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from NW

Lewiston weather for Monday 27th July 2026

31
°C maximum temperature
17
°C minimum temperature
scattered clouds
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
15
kph wind from NW

Lewiston weather for Tuesday 28th July 2026

31
°C maximum temperature
17
°C minimum temperature
scattered clouds
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
21
kph wind from NW

Lewiston weather for Wednesday 29th July 2026

Expect clear skies in Lewiston, Idaho with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

31
°C maximum temperature
16
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from NW

Lewiston weather for Thursday 30th July 2026

Expect clear skies in Lewiston, Idaho with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.