Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 8°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Thursday
25th Dec
8

1

3

1
Friday
26th Dec
5

1

2

1
Saturday
27th Dec
1

-7

2

1
Sunday
28th Dec
-2

-9

6

1
Monday
29th Dec
3

-7

6

1

5-day weather forecast updated at 04:04 on Thursday 25th 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 Thursday 25th December 2025

Expect mostly cloudy with light rain in Hamilton, Montana with a maximum temperature of 8°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a light breeze of 11 kph from the south.

8
°C maximum temperature
1
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
1
UV index (Low)
54
% chance of some rain
<2
mm of rainfall expected
6
°C wind chill
11
kph wind from S

Hamilton weather for Friday 26th December 2025

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 5°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 81% chance of some sleet or snow and a gentle breeze of 18 kph from the south.

5
°C maximum temperature
1
°C minimum temperature
cloudy with sleet or snow
2
hours of sunshine
1
UV index (Low)
81
% chance of some sleet or snow
<10
mm of sleet/snow expected
1
°C wind chill
18
kph wind from S

Hamilton weather for Saturday 27th December 2025

Expect mostly cloudy with snow in Hamilton, Montana with a maximum temperature of 1°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 cm of snow expected with 61% chance of some snow and a gentle breeze of 18 kph from the south-west.

1
°C maximum temperature
-7
°C minimum temperature
mostly cloudy with snow
2
hours of sunshine
1
UV index (Low)
61
% chance of some snow
<10
cm of snow expected
-4
°C wind chill
18
kph wind from SW

Hamilton weather for Sunday 28th December 2025

Expect clear skies with flurries of snow in Hamilton, Montana with a maximum temperature of -2°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0-2 cm of snow expected with 2% chance of some snow and a light breeze of 11 kph from the south.

-2
°C maximum temperature
-9
°C minimum temperature
clear skies with flurries of snow
6
hours of sunshine
1
UV index (Low)
2
% chance of some snow
<2
cm of snow expected
-6
°C wind chill
11
kph wind from S

Hamilton weather for Monday 29th December 2025

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 3°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.