Lewiston weather live forecast

Today's maximum temperature in Lewiston is expected to be 28°C. Select a day from the live weather forecast for Lewiston, Idaho, USA for more weather parameters.

Saturday
13th Jun
28

10

15

8
Sunday
14th Jun
31

12

15

8
Monday
15th Jun
33

14

9

9
Tuesday
16th Jun
35

18

15

10
Wednesday
17th Jun
30

15

16

8

5-day weather forecast updated at 04:00 on Saturday 13th June 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 Saturday 13th June 2026

Expect clear skies in Lewiston, Idaho with a maximum temperature of 28°C, low 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 light breeze of 11 kph from the north-east.

28
°C maximum temperature
10
°C minimum temperature
clear skies
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
11
kph wind from NE

Lewiston weather for Sunday 14th June 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 15 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the north-east.

31
°C maximum temperature
12
°C minimum temperature
scattered clouds
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
5
kph wind from NE

Lewiston weather for Monday 15th June 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 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the east.

33
°C maximum temperature
14
°C minimum temperature
scattered clouds
9
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
4
kph wind from E

Lewiston weather for Tuesday 16th June 2026

Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the west.

35
°C maximum temperature
18
°C minimum temperature
scattered clouds
15
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
33
kph wind from W

Lewiston weather for Wednesday 17th June 2026

Expect clear skies in Lewiston, Idaho with a maximum temperature of 30°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-west.