Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 64°F. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Thursday
5th Feb
64

37

9

2
Friday
6th Feb
61

37

8

2
Saturday
7th Feb
59

41

10

2
Sunday
8th Feb
55

39

4

2
Monday
9th Feb
48

30

1

1

5-day weather forecast updated at 04:06 on Thursday 5th February 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 Thursday 5th February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 64°F, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 12 mph from the south-west.

64
°F maximum temperature
37
°F minimum temperature
scattered clouds
9
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
12
mph wind from SW

Lewistown weather for Friday 6th February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 61°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

61
°F maximum temperature
37
°F minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
61
°F wind chill
9
mph wind from SW

Lewistown weather for Saturday 7th February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 59°F, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 17 mph from the west.

59
°F maximum temperature
41
°F minimum temperature
scattered clouds
10
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
59
°F wind chill
17
mph wind from W

Lewistown weather for Sunday 8th February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 55°F, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 13 mph from the south-west.

55
°F maximum temperature
39
°F minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
55
°F wind chill
13
mph wind from SW

Lewistown weather for Monday 9th February 2026

Expect mostly cloudy with light snow in Lewistown, Montana with a maximum temperature of 48°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 cm of snow expected with 41% chance of some snow and a moderate breeze of 13 mph from the west.