Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 41°F. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Tuesday
23rd Dec
41

32

2

1
Wednesday
24th Dec
46

34

4

1
Thursday
25th Dec
46

37

5

1
Friday
26th Dec
43

36

3

1
Saturday
27th Dec
36

27

3

1

5-day weather forecast updated at 04:03 on Tuesday 23rd December 2025 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 Tuesday 23rd December 2025

Expect mostly cloudy with light rain in Hamilton, Montana with a maximum temperature of 41°F, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 72% chance of some rain and a light breeze of 5 mph from the south.

41
°F maximum temperature
32
°F minimum temperature
mostly cloudy with light rain
2
hours of sunshine
1
UV index (Low)
72
% chance of some rain
<5
mm of rainfall expected
37
°F wind chill
5
mph wind from S

Hamilton weather for Wednesday 24th December 2025

Expect sunshine and showers in Hamilton, Montana with a maximum temperature of 46°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 80% chance of some rain and a light breeze of 7 mph from the south.

46
°F maximum temperature
34
°F minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
80
% chance of some rain
<2
mm of rainfall expected
43
°F wind chill
7
mph wind from S

Hamilton weather for Thursday 25th December 2025

Expect sunshine and showers in Hamilton, Montana with a maximum temperature of 46°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a light breeze of 7 mph from the south.

46
°F maximum temperature
37
°F minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<5
mm of rainfall expected
43
°F wind chill
7
mph wind from S

Hamilton weather for Friday 26th December 2025

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 43°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 60% chance of some sleet or snow and a gentle breeze of 12 mph from the south.

43
°F maximum temperature
36
°F minimum temperature
cloudy with sleet or snow
3
hours of sunshine
1
UV index (Low)
60
% chance of some sleet or snow
<20
mm of sleet/snow expected
37
°F wind chill
12
mph wind from S

Hamilton weather for Saturday 27th December 2025

Expect broken clouds in Hamilton, Montana with a maximum temperature of 36°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 10 mph from the south-west.