Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 66°F. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Sunday
8th Nov
66

39

4

2
Monday
9th Nov
59

39

6

2
Tuesday
10th Nov
59

37

8

2
Wednesday
11th Nov
63

39

7

2
Thursday
12th Nov
70

43

7

2

5-day weather forecast updated at 04:02 on Sunday 8th 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 8th November 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 66°F, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the south-west.

66
°F maximum temperature
39
°F minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
14
mph wind from SW

Lewistown weather for Monday 9th November 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 59°F, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south.

59
°F maximum temperature
39
°F minimum temperature
broken clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
6
mph wind from S

Lewistown weather for Tuesday 10th November 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 59°F, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 22 mph from the west.

59
°F maximum temperature
37
°F minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
59
°F wind chill
22
mph wind from W

Lewistown weather for Wednesday 11th November 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 63°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 9 mph from the south-west.

63
°F maximum temperature
39
°F minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
9
mph wind from SW

Lewistown weather for Thursday 12th November 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 70°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south.