Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 46°F. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Sunday
1st Nov
46

34

2

1
Monday
2nd Nov
43

32

5

2
Tuesday
3rd Nov
54

34

6

2
Wednesday
4th Nov
46

34

8

2
Thursday
5th Nov
52

34

8

2

5-day weather forecast updated at 04:03 on Monday 2nd November 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 Sunday 1st November 2026

Expect cloudy with sleet or snow in Lewistown, Montana with a maximum temperature of 46°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 100% chance of some sleet or snow and a gentle breeze of 11 mph from the north-west.

46
°F maximum temperature
34
°F minimum temperature
cloudy with sleet or snow
2
hours of sunshine
1
UV index (Low)
100
% chance of some sleet or snow
<10
mm of sleet/snow expected
41
°F wind chill
11
mph wind from NW

Lewistown weather for Monday 2nd November 2026

Expect cloudy with sleet or snow in Lewistown, Montana with a maximum temperature of 43°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 9% chance of some sleet or snow and a moderate breeze of 14 mph from the north-west.

43
°F maximum temperature
32
°F minimum temperature
cloudy with sleet or snow
5
hours of sunshine
2
UV index (Low)
9
% chance of some sleet or snow
<5
mm of sleet/snow expected
36
°F wind chill
14
mph wind from NW

Lewistown weather for Tuesday 3rd November 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 54°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south.

54
°F maximum temperature
34
°F minimum temperature
broken clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
54
°F wind chill
5
mph wind from S

Lewistown weather for Wednesday 4th November 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 46°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 2 mph from the south.

46
°F maximum temperature
34
°F minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
2
mph wind from S

Lewistown weather for Thursday 5th November 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 52°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south-west.