Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 11°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Wednesday
28th Oct
11

1

4

2
Thursday
29th Oct
10

-1

6

2
Friday
30th Oct
8

-1

2

2
Saturday
31st Oct
13

1

4

2
Sunday
1st Nov
14

2

0

2

5-day weather forecast updated at 04:02 on Thursday 29th October 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 Wednesday 28th October 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 11°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the south-west.

11
°C maximum temperature
1
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
11
°C wind chill
23
kph wind from SW

Lewistown weather for Thursday 29th October 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 10°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 east.

10
°C maximum temperature
-1
°C minimum temperature
broken clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
8
°C wind chill
11
kph wind from E

Lewistown weather for Friday 30th October 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 8°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

8
°C maximum temperature
-1
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
7
°C wind chill
11
kph wind from E

Lewistown weather for Saturday 31st October 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 13°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-east.

13
°C maximum temperature
1
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
13
°C wind chill
6
kph wind from SE

Lewistown weather for Sunday 1st November 2026

Expect cloudy with sleet or snow in Lewistown, Montana with a maximum temperature of 14°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of sleet/snow expected with 94% chance of some sleet or snow and a gentle breeze of 19 kph from the north-west.