Lewiston weather live forecast

Today's maximum temperature in Lewiston is expected to be 23°C. Select a day from the live weather forecast for Lewiston, Idaho, USA for more weather parameters.

Sunday
19th Apr
23

6

6

5
Monday
20th Apr
26

9

9

5
Tuesday
21st Apr
24

10

4

6
Wednesday
22nd Apr
14

9

3

2
Thursday
23rd Apr
16

7

2

1

5-day weather forecast updated at 04:01 on Sunday 19th April 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 19th April 2026

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

23
°C maximum temperature
6
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
8
kph wind from E

Lewiston weather for Monday 20th April 2026

Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 26°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the east.

26
°C maximum temperature
9
°C minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from E

Lewiston weather for Tuesday 21st April 2026

Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 24°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a gentle breeze of 14 kph from the north-west.

24
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
6
UV index (High)
49
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
14
kph wind from NW

Lewiston weather for Wednesday 22nd April 2026

Expect mostly cloudy with rain in Lewiston, Idaho with a maximum temperature of 14°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 17 kph from the west.

14
°C maximum temperature
9
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
2
UV index (Low)
92
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
17
kph wind from W

Lewiston weather for Thursday 23rd April 2026

Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 16°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 64% chance of some rain and a gentle breeze of 13 kph from the north-west.