Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 6°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Friday
6th Mar
6

-3

4

3
Saturday
7th Mar
11

-1

6

3
Sunday
8th Mar
14

-1

5

3
Monday
9th Mar
3

-5

2

2
Tuesday
10th Mar
2

-6

3

3

5-day weather forecast updated at 04:03 on Friday 6th March 2026 GMT

More about Lewistown

Lewistown by month

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

Recommended for Montana

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 Friday 6th March 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 6°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the west.

6
°C maximum temperature
-3
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
2
°C wind chill
21
kph wind from W

Lewistown weather for Saturday 7th March 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the west.

11
°C maximum temperature
-1
°C minimum temperature
scattered clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
31
kph wind from W

Lewistown weather for Sunday 8th March 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 44 kph from the west.

14
°C maximum temperature
-1
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
44
kph wind from W

Lewistown weather for Monday 9th March 2026

Expect mostly cloudy with light snow in Lewistown, Montana with a maximum temperature of 3°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 cm of snow expected with 47% chance of some snow and a moderate breeze of 22 kph from the west.

3
°C maximum temperature
-5
°C minimum temperature
mostly cloudy with light snow
2
hours of sunshine
2
UV index (Low)
47
% chance of some snow
<5
cm of snow expected
-2
°C wind chill
22
kph wind from W

Lewistown weather for Tuesday 10th March 2026

Expect mostly cloudy with light snow in Lewistown, Montana with a maximum temperature of 2°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0-2 cm of snow expected with 48% chance of some snow and a fresh breeze of 29 kph from the west.