Lewiston weather live forecast

Today's maximum temperature in Lewiston is expected to be 11°C. Select a day from the live weather forecast for Lewiston, Idaho, USA for more weather parameters.

Monday
16th Feb
11

3

1

1
Tuesday
17th Feb
8

2

4

1
Wednesday
18th Feb
5

-1

0

1
Thursday
19th Feb
4

-2

7

2
Friday
20th Feb
4

-1

6

1

5-day weather forecast updated at 04:01 on Monday 16th 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 Monday 16th February 2026

Expect mostly cloudy with rain in Lewiston, Idaho with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 82% chance of some rain and a gentle breeze of 14 kph from the east.

11
°C maximum temperature
3
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
82
% chance of some rain
<10
mm of rainfall expected
11
°C wind chill
14
kph wind from E

Lewiston weather for Tuesday 17th February 2026

Expect mostly cloudy with light rain in Lewiston, Idaho with a maximum temperature of 8°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 46% chance of some rain and a light breeze of 8 kph from the south-east.

8
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
1
UV index (Low)
46
% chance of some rain
<2
mm of rainfall expected
6
°C wind chill
8
kph wind from SE

Lewiston weather for Wednesday 18th February 2026

Expect cloudy with sleet or snow in Lewiston, Idaho with a maximum temperature of 5°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of sleet/snow expected with 52% chance of some sleet or snow and a gentle breeze of 13 kph from the west.

5
°C maximum temperature
-1
°C minimum temperature
cloudy with sleet or snow
0
hours of sunshine
1
UV index (Low)
52
% chance of some sleet or snow
<2
mm of sleet/snow expected
2
°C wind chill
13
kph wind from W

Lewiston weather for Thursday 19th February 2026

Expect clear skies with flurries of snow in Lewiston, Idaho with a maximum temperature of 4°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0-2 cm of snow expected with 51% chance of some snow and a light breeze of 8 kph from the south-east.

4
°C maximum temperature
-2
°C minimum temperature
clear skies with flurries of snow
7
hours of sunshine
2
UV index (Low)
51
% chance of some snow
<2
cm of snow expected
2
°C wind chill
8
kph wind from SE

Lewiston weather for Friday 20th February 2026

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 4°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the west.