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.

Thursday
26th Feb
13

0

8

3
Friday
27th Feb
8

0

2

2
Saturday
28th Feb
0

-6

3

2
Sunday
1st Mar
7

-6

11

3
Monday
2nd Mar
10

-3

11

3

5-day weather forecast updated at 04:05 on Friday 27th February 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 Thursday 26th February 2026

Expect scattered clouds in Lewistown, Montana with a maximum temperature of 13°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 37 kph from the west.

13
°C maximum temperature
0
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
37
kph wind from W

Lewistown weather for Friday 27th February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 8°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the west.

8
°C maximum temperature
0
°C minimum temperature
broken clouds
2
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
29
kph wind from W

Lewistown weather for Saturday 28th February 2026

Expect broken clouds in Lewistown, Montana with a maximum temperature of 0°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0 cm of snow expected and a gentle breeze of 16 kph from the east.

0
°C maximum temperature
-6
°C minimum temperature
broken clouds
3
hours of sunshine
2
UV index (Low)
0
cm of snow expected
-5
°C wind chill
16
kph wind from E

Lewistown weather for Sunday 1st March 2026

Expect clear skies in Lewistown, Montana with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south.

7
°C maximum temperature
-6
°C minimum temperature
clear skies
11
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
5
°C wind chill
13
kph wind from S

Lewistown weather for Monday 2nd March 2026

Expect clear skies in Lewistown, Montana with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.