Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 10°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Wednesday
28th Oct
10

0

7

2
Thursday
29th Oct
8

-1

2

2
Friday
30th Oct
8

-2

4

2
Saturday
31st Oct
12

0

2

2
Sunday
1st Nov
7

2

3

0

5-day weather forecast updated at 04:03 on Wednesday 28th 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 scattered clouds in Lewistown, Montana with a maximum temperature of 10°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the south-west.

10
°C maximum temperature
0
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from SW

Lewistown weather for Thursday 29th 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 Friday 30th October 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 8°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

8
°C maximum temperature
-2
°C minimum temperature
broken clouds
4
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
13
kph wind from SE

Lewistown weather for Saturday 31st October 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 12°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 4 kph from the south-east.

12
°C maximum temperature
0
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
4
kph wind from SE

Lewistown weather for Sunday 1st November 2026

Expect mostly cloudy with rain in Lewistown, Montana with a maximum temperature of 7°C and 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 85% chance of some rain and a gentle breeze of 13 kph from the north-west.