Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 5°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Tuesday
23rd Dec
5

0

2

1
Wednesday
24th Dec
8

1

4

1
Thursday
25th Dec
8

3

5

1
Friday
26th Dec
6

2

3

1
Saturday
27th Dec
2

-3

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 5°C, 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 8 kph from the south.

5
°C maximum temperature
0
°C 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
3
°C wind chill
8
kph wind from S

Hamilton weather for Wednesday 24th December 2025

Expect sunshine and showers in Hamilton, Montana with a maximum temperature of 8°C, 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 12 kph from the south.

8
°C maximum temperature
1
°C minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
80
% chance of some rain
<2
mm of rainfall expected
6
°C wind chill
12
kph wind from S

Hamilton weather for Thursday 25th December 2025

Expect sunshine and showers in Hamilton, Montana with a maximum temperature of 8°C, 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 11 kph from the south.

8
°C maximum temperature
3
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
25
% chance of some rain
<5
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 6°C, 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 19 kph from the south.

6
°C maximum temperature
2
°C 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
3
°C wind chill
19
kph wind from S

Hamilton weather for Saturday 27th December 2025

Expect broken clouds in Hamilton, Montana with a maximum temperature of 2°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south-west.