Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 52°F. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Monday
2nd Mar
52

30

7

3
Tuesday
3rd Mar
55

32

10

3
Wednesday
4th Mar
54

36

0

3
Thursday
5th Mar
43

30

2

2
Friday
6th Mar
43

28

7

3

5-day weather forecast updated at 04:05 on Monday 2nd March 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 Monday 2nd March 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 52°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-west.

52
°F maximum temperature
30
°F minimum temperature
scattered clouds
7
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
mph wind from SW

Lewistown weather for Tuesday 3rd March 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 55°F, maximum UV of 3 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

55
°F maximum temperature
32
°F minimum temperature
scattered clouds
10
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
55
°F wind chill
9
mph wind from SW

Lewistown weather for Wednesday 4th March 2026

Expect mostly cloudy with light rain in Lewistown, Montana with a maximum temperature of 54°F, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 84% chance of some rain and a gentle breeze of 10 mph from the south-west.

54
°F maximum temperature
36
°F minimum temperature
mostly cloudy with light rain
0
hours of sunshine
3
UV index (Moderate)
84
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
10
mph wind from SW

Lewistown weather for Thursday 5th March 2026

Expect cloudy with sleet or snow in Lewistown, Montana with a maximum temperature of 43°F, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 37% chance of some sleet or snow and a moderate breeze of 15 mph from the north-west.

43
°F maximum temperature
30
°F minimum temperature
cloudy with sleet or snow
2
hours of sunshine
2
UV index (Low)
37
% chance of some sleet or snow
<5
mm of sleet/snow expected
36
°F wind chill
15
mph wind from NW

Lewistown weather for Friday 6th March 2026

Expect clear skies with flurries of snow in Lewistown, Montana with a maximum temperature of 43°F, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0-2 cm of snow expected with 31% chance of some snow and a moderate breeze of 13 mph from the west.