Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 12°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Saturday
4th Apr
12

-1

11

5
Sunday
5th Apr
11

1

7

5
Monday
6th Apr
10

-1

2

4
Tuesday
7th Apr
17

1

4

4
Wednesday
8th Apr
4

-3

8

5

5-day weather forecast updated at 04:03 on Sunday 5th April 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 Saturday 4th April 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

12
°C maximum temperature
-1
°C minimum temperature
scattered clouds
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from NW

Lewistown weather for Sunday 5th April 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 11°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the east.

11
°C maximum temperature
1
°C minimum temperature
broken clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from E

Lewistown weather for Monday 6th April 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 10°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the south-east.

10
°C maximum temperature
-1
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
7
°C wind chill
24
kph wind from SE

Lewistown weather for Tuesday 7th April 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 36 kph from the west.

17
°C maximum temperature
1
°C minimum temperature
broken clouds
4
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
36
kph wind from W

Lewistown weather for Wednesday 8th April 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 4°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 34 kph from the north-west.