Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 57°F. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Wednesday
1st Apr
57

36

2

3
Thursday
2nd Apr
45

34

0

2
Friday
3rd Apr
52

34

5

3
Saturday
4th Apr
59

30

12

6
Sunday
5th Apr
64

32

12

5

5-day weather forecast updated at 04:03 on Wednesday 1st April 2026 GMT

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The 5-day weather forecast for Montana (Hamilton) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Hamilton weather forecast by day

Below are the detailed weather forecasts for Hamilton for the next 5 days.

Hamilton weather for Wednesday 1st April 2026

Expect isolated thunderstorms in Hamilton, Montana with a maximum temperature of 57°F, maximum UV of 3 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a light breeze of 6 mph from the south.

57
°F maximum temperature
36
°F minimum temperature
isolated thunderstorms
2
hours of sunshine
3
UV index (Moderate)
61
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
6
mph wind from S

Hamilton weather for Thursday 2nd April 2026

Expect overcast with light rain in Hamilton, Montana with a maximum temperature of 45°F, maximum UV of 2 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 9 mph from the west.

45
°F maximum temperature
34
°F minimum temperature
overcast with light rain
0
hours of sunshine
2
UV index (Low)
87
% chance of some rain
<10
mm of rainfall expected
39
°F wind chill
9
mph wind from W

Hamilton weather for Friday 3rd April 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 52°F, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south-west.

52
°F maximum temperature
34
°F minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
52
°F wind chill
6
mph wind from SW

Hamilton weather for Saturday 4th April 2026

Expect clear skies in Hamilton, Montana with a maximum temperature of 59°F, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south.

59
°F maximum temperature
30
°F minimum temperature
clear skies
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
6
mph wind from S

Hamilton weather for Sunday 5th April 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 64°F, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 6 mph from the south.