Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 21°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Thursday
12th Nov
21

3

5

2
Friday
13th Nov
20

3

6

2
Saturday
14th Nov
18

4

9

1
Sunday
15th Nov
16

3

5

2
Monday
16th Nov
16

4

3

1

5-day weather forecast updated at 04:02 on Friday 13th 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 Thursday 12th November 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 21°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

21
°C maximum temperature
3
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
21
°C wind chill
9
kph wind from SE

Lewistown weather for Friday 13th November 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 20°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.

20
°C maximum temperature
3
°C minimum temperature
scattered clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from SE

Lewistown weather for Saturday 14th November 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 18°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the west.

18
°C maximum temperature
4
°C minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from W

Lewistown weather for Sunday 15th November 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 16°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

16
°C maximum temperature
3
°C minimum temperature
scattered clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
16
°C wind chill
17
kph wind from S

Lewistown weather for Monday 16th November 2026

Expect mostly cloudy with light rain in Lewistown, Montana with a maximum temperature of 16°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 9 kph from the south-west.