Lewiston weather live forecast

Today's maximum temperature in Lewiston is expected to be 21°C. Select a day from the live weather forecast for Lewiston, Idaho, USA for more weather parameters.

Thursday
9th Apr
21

5

13

6
Friday
10th Apr
23

7

6

6
Saturday
11th Apr
18

10

3

3
Sunday
12th Apr
16

8

2

2
Monday
13th Apr
13

8

3

1

5-day weather forecast updated at 04:01 on Thursday 9th 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 Thursday 9th April 2026

Expect clear skies in Lewiston, Idaho with a maximum temperature of 21°C, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the north-east.

21
°C maximum temperature
5
°C minimum temperature
clear skies
13
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
7
kph wind from NE

Lewiston weather for Friday 10th April 2026

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 23°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the east.

23
°C maximum temperature
7
°C minimum temperature
broken clouds
6
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
23
°C wind chill
6
kph wind from E

Lewiston weather for Saturday 11th April 2026

Expect isolated thunderstorms in Lewiston, Idaho with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 92% chance of some rain and a light breeze of 7 kph from the south-east.

18
°C maximum temperature
10
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
3
UV index (Moderate)
92
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
7
kph wind from SE

Lewiston weather for Sunday 12th April 2026

Expect mostly cloudy with rain in Lewiston, Idaho with a maximum temperature of 16°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a light breeze of 12 kph from the west.

16
°C maximum temperature
8
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
2
UV index (Low)
78
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
12
kph wind from W

Lewiston weather for Monday 13th April 2026

Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 13°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 13 kph from the west.