Lewiston weather live forecast

Today's maximum temperature in Lewiston is expected to be 5°C. Select a day from the live weather forecast for Lewiston, Idaho, USA for more weather parameters.

Thursday
19th Feb
5

-3

4

2
Friday
20th Feb
4

-1

3

1
Saturday
21st Feb
8

-2

9

2
Sunday
22nd Feb
10

1

2

2
Monday
23rd Feb
12

4

2

1

5-day weather forecast updated at 04:01 on Thursday 19th February 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 19th February 2026

Expect mostly cloudy with light snow in Lewiston, Idaho with a maximum temperature of 5°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 cm of snow expected with 41% chance of some snow and little or no wind of 6 kph from the east.

5
°C maximum temperature
-3
°C minimum temperature
mostly cloudy with light snow
4
hours of sunshine
2
UV index (Low)
41
% chance of some snow
<2
cm of snow expected
4
°C wind chill
6
kph wind from E

Lewiston weather for Friday 20th February 2026

Expect mostly cloudy with light snow in Lewiston, Idaho with a maximum temperature of 4°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 40% chance of some snow and little or no wind of 5 kph from the west.

4
°C maximum temperature
-1
°C minimum temperature
mostly cloudy with light snow
3
hours of sunshine
1
UV index (Low)
40
% chance of some snow
<2
cm of snow expected
3
°C wind chill
5
kph wind from W

Lewiston weather for Saturday 21st February 2026

Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 8°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

8
°C maximum temperature
-2
°C minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
11
kph wind from E

Lewiston weather for Sunday 22nd February 2026

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 10°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.

10
°C maximum temperature
1
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
8
°C wind chill
10
kph wind from E

Lewiston weather for Monday 23rd February 2026

Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 12°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 71% chance of some rain and a light breeze of 7 kph from the south-east.