Lewistown weather live forecast

Today's maximum temperature in Lewistown is expected to be 7°C. Select a day from the live weather forecast for Lewistown, Montana, USA for more weather parameters.

Monday
27th Apr
7

-5

4

3
Tuesday
28th Apr
11

-2

4

5
Wednesday
29th Apr
12

0

2

6
Thursday
30th Apr
16

0

7

6
Friday
1st May
21

2

14

6

5-day weather forecast updated at 04:02 on Monday 27th April 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 Monday 27th April 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

7
°C maximum temperature
-5
°C minimum temperature
broken clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
5
°C wind chill
9
kph wind from E

Lewistown weather for Tuesday 28th April 2026

Expect mostly cloudy with light rain in Lewistown, Montana with a maximum temperature of 11°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a gentle breeze of 17 kph from the north-west.

11
°C maximum temperature
-2
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
5
UV index (Moderate)
19
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from NW

Lewistown weather for Wednesday 29th April 2026

Expect mostly cloudy with light rain in Lewistown, Montana with a maximum temperature of 12°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 26% chance of some rain and a gentle breeze of 17 kph from the north-west.

12
°C maximum temperature
0
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
6
UV index (High)
26
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from NW

Lewistown weather for Thursday 30th April 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 16°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

16
°C maximum temperature
0
°C minimum temperature
broken clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
16
°C wind chill
11
kph wind from SW

Lewistown weather for Friday 1st May 2026

Expect clear skies in Lewistown, Montana with a maximum temperature of 21°C, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-west.