Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 13°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Sunday
1st Feb
13

1

5

2
Monday
2nd Feb
10

2

7

1
Tuesday
3rd Feb
7

-2

8

1
Wednesday
4th Feb
14

-2

8

2
Thursday
5th Feb
15

1

10

2

5-day weather forecast updated at 04:04 on Monday 2nd February 2026 GMT

More about Lewistown

Lewistown by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Montana

Travelsphere: up to £800 off worldwide holidays

Sale

Save up to £800 per couple on selected worldwide tours
Plus save up to £300 per couple on European tours
Book tours online in Travelsphere New Year sale

Go to Travelsphere deal >>

Expires at 23:59 on Saturday 28th Feb 2026 · View all Travelsphere offers

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 1st February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 13°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.

13
°C maximum temperature
1
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
13
°C wind chill
21
kph wind from SW

Lewistown weather for Monday 2nd February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 10°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 32 kph from the west.

10
°C maximum temperature
2
°C minimum temperature
broken clouds
7
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
6
°C wind chill
32
kph wind from W

Lewistown weather for Tuesday 3rd February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 7°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north-west.

7
°C maximum temperature
-2
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
3
°C wind chill
27
kph wind from NW

Lewistown weather for Wednesday 4th February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 14°C, maximum UV of 2 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the west.

14
°C maximum temperature
-2
°C minimum temperature
scattered clouds
8
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
14
°C wind chill
22
kph wind from W

Lewistown weather for Thursday 5th February 2026

Expect clear skies in Lewistown, Montana with a maximum temperature of 15°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-west.