Lewiston weather live forecast

Today's maximum temperature in Lewiston is expected to be 8°C. Select a day from the live weather forecast for Lewiston, Idaho, USA for more weather parameters.

Thursday
15th Jan
8

2

8

1
Friday
16th Jan
6

1

9

1
Saturday
17th Jan
6

-1

9

1
Sunday
18th Jan
6

0

9

1
Monday
19th Jan
5

0

1

1

5-day weather forecast updated at 04:01 on Thursday 15th January 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 15th January 2026

Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 8°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 3 kph from the south-east.

8
°C maximum temperature
2
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
8
°C wind chill
3
kph wind from SE

Lewiston weather for Friday 16th January 2026

Expect clear skies with flurries of snow in Lewiston, Idaho with a maximum temperature of 6°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0-2 cm of snow expected with 2% chance of some snow and little or no wind of 3 kph from the east.

6
°C maximum temperature
1
°C minimum temperature
clear skies with flurries of snow
9
hours of sunshine
1
UV index (Low)
2
% chance of some snow
<2
cm of snow expected
6
°C wind chill
3
kph wind from E

Lewiston weather for Saturday 17th January 2026

Expect scattered clouds in Lewiston, Idaho with a maximum temperature of 6°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the east.

6
°C maximum temperature
-1
°C minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
4
kph wind from E

Lewiston weather for Sunday 18th January 2026

6
°C maximum temperature
0
°C minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
3
kph wind from E

Lewiston weather for Monday 19th January 2026

Expect fog in low lying areas in Lewiston, Idaho with a maximum temperature of 5°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the east.