Lewiston weather live forecast

Today's maximum temperature in Lewiston is expected to be 32°C. Select a day from the live weather forecast for Lewiston, Idaho, USA for more weather parameters.

Wednesday
8th Jul
32

19

13

8
Thursday
9th Jul
31

15

15

9
Friday
10th Jul
32

15

15

8
Saturday
11th Jul
33

17

12

9
Sunday
12th Jul
31

19

6

8

5-day weather forecast updated at 04:00 on Wednesday 8th 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 Wednesday 8th July 2026

Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

32
°C maximum temperature
19
°C minimum temperature
scattered clouds
13
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
18
kph wind from NW

Lewiston weather for Thursday 9th July 2026

Expect clear skies in Lewiston, Idaho with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-west.

31
°C maximum temperature
15
°C minimum temperature
clear skies
15
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
12
kph wind from NW

Lewiston weather for Friday 10th July 2026

Expect clear skies in Lewiston, Idaho with a maximum temperature of 32°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 15 kph from the north-west.

32
°C maximum temperature
15
°C minimum temperature
clear skies
15
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 Saturday 11th July 2026

Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 33°C, moderate levels of heat & humidity, maximum UV of 9 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

33
°C maximum temperature
17
°C minimum temperature
scattered clouds
12
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from NW

Lewiston weather for Sunday 12th July 2026

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the north-west.