Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 9°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Saturday
10th Jan
9

-1

7

1
Sunday
11th Jan
12

4

6

1
Monday
12th Jan
13

6

2

1
Tuesday
13th Jan
13

5

3

1
Wednesday
14th Jan
14

4

9

1

5-day weather forecast updated at 04:04 on Friday 9th January 2026 GMT

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The 5-day weather forecast for Montana (Lewistown) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Lewistown weather forecast by day

Below are the detailed weather forecasts for Lewistown for the next 5 days.

Lewistown weather for Saturday 10th January 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the west.

9
°C maximum temperature
-1
°C minimum temperature
scattered clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
25
kph wind from W

Lewistown weather for Sunday 11th January 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 12°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the west.

12
°C maximum temperature
4
°C minimum temperature
scattered clouds
6
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
28
kph wind from W

Lewistown weather for Monday 12th January 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 13°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the west.

13
°C maximum temperature
6
°C minimum temperature
broken clouds
2
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
36
kph wind from W

Lewistown weather for Tuesday 13th January 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 13°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the west.

13
°C maximum temperature
5
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
13
°C wind chill
28
kph wind from W

Lewistown weather for Wednesday 14th January 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 14°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the west.