Lewiston weather live forecast

Today's maximum temperature in Lewiston is expected to be 29°C. Select a day from the live weather forecast for Lewiston, Idaho, USA for more weather parameters.

Thursday
25th Jun
29

18

2

6
Friday
26th Jun
21

14

0

5
Saturday
27th Jun
21

12

0

3
Sunday
28th Jun
19

11

0

4
Monday
29th Jun
19

12

0

1

5-day weather forecast updated at 04:01 on Friday 26th 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 Thursday 25th June 2026

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

29
°C maximum temperature
18
°C minimum temperature
broken clouds
2
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
20
kph wind from NW

Lewiston weather for Friday 26th June 2026

Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 39% chance of some rain and a light breeze of 8 kph from the south-east.

21
°C maximum temperature
14
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
5
UV index (Moderate)
39
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
8
kph wind from SE

Lewiston weather for Saturday 27th June 2026

Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 14% chance of some rain and a gentle breeze of 15 kph from the west.

21
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
3
UV index (Moderate)
14
% chance of some rain
<2
mm of rainfall expected
21
°C wind chill
15
kph wind from W

Lewiston weather for Sunday 28th June 2026

Expect overcast skies in Lewiston, Idaho with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

19
°C maximum temperature
11
°C minimum temperature
overcast skies
0
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from SW

Lewiston weather for Monday 29th June 2026

Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 19°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a light breeze of 9 kph from the south-east.