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.

Saturday
17th Jan
5

0

5

1
Sunday
18th Jan
4

0

2

1
Monday
19th Jan
5

-1

5

1
Tuesday
20th Jan
5

-1

0

1
Wednesday
21st Jan
5

0

0

1

5-day weather forecast updated at 04:02 on Saturday 17th 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 Saturday 17th January 2026

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 5°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-east.

5
°C maximum temperature
0
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
4
kph wind from SE

Lewiston weather for Sunday 18th January 2026

Expect broken clouds in Lewiston, Idaho with a maximum temperature of 4°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the west.

4
°C maximum temperature
0
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
4
kph wind from W

Lewiston weather for Monday 19th January 2026

5
°C maximum temperature
-1
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
3
kph wind from E

Lewiston weather for Tuesday 20th January 2026

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

5
°C maximum temperature
-1
°C minimum temperature
broken clouds
0
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
4
kph wind from E

Lewiston weather for Wednesday 21st January 2026

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