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.

Sunday
1st Feb
12

1

3

2
Monday
2nd Feb
9

0

5

1
Tuesday
3rd Feb
8

-2

8

1
Wednesday
4th Feb
13

-1

7

2
Thursday
5th Feb
14

1

10

2

5-day weather forecast updated at 04:03 on Sunday 1st February 2026 GMT

More about Lewistown

Lewistown by month

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

Recommended for Montana

Love Holidays sale: up to £600 off holidays

Sale

Save up to £600 on selected holidays in 2026/2027
Book discounted holidays with 'Sale' label
Discounts varies by destination & holiday type. T&Cs apply

Go to Love Holidays deal >>

Expires at 23:59 on Sunday 8th Feb 2026 · View all Love Holidays 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 12°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

12
°C maximum temperature
1
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
22
kph wind from SW

Lewistown weather for Monday 2nd February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the west.

9
°C maximum temperature
0
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
5
°C wind chill
30
kph wind from W

Lewistown weather for Tuesday 3rd February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 8°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the west.

8
°C maximum temperature
-2
°C minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
25
kph wind from W

Lewistown weather for Wednesday 4th February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 13°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 west.

13
°C maximum temperature
-1
°C minimum temperature
scattered clouds
7
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
13
°C wind chill
20
kph wind from W

Lewistown weather for Thursday 5th February 2026

Expect clear skies in Lewistown, Montana with a maximum temperature of 14°C, maximum UV of 2 (Low) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the south-west.