Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 6°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Sunday
4th Jan
6

0

4

1
Monday
5th Jan
3

-2

3

1
Tuesday
6th Jan
2

-4

1

1
Wednesday
7th Jan
1

-6

3

1
Thursday
8th Jan
0

-6

2

1

5-day weather forecast updated at 04:04 on Sunday 4th January 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 Sunday 4th January 2026

Expect clear skies with flurries of snow in Hamilton, Montana with a maximum temperature of 6°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 cm of snow expected with 75% chance of some snow and a gentle breeze of 15 kph from the south.

6
°C maximum temperature
0
°C minimum temperature
clear skies with flurries of snow
4
hours of sunshine
1
UV index (Low)
75
% chance of some snow
<2
cm of snow expected
3
°C wind chill
15
kph wind from S

Hamilton weather for Monday 5th January 2026

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 3°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 86% chance of some sleet or snow and a light breeze of 10 kph from the south.

3
°C maximum temperature
-2
°C minimum temperature
cloudy with sleet or snow
3
hours of sunshine
1
UV index (Low)
86
% chance of some sleet or snow
<10
mm of sleet/snow expected
1
°C wind chill
10
kph wind from S

Hamilton weather for Tuesday 6th January 2026

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 2°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of sleet/snow expected with 48% chance of some sleet or snow and a gentle breeze of 16 kph from the south.

2
°C maximum temperature
-4
°C minimum temperature
cloudy with sleet or snow
1
hour of sunshine
1
UV index (Low)
48
% chance of some sleet or snow
<5
mm of sleet/snow expected
-2
°C wind chill
16
kph wind from S

Hamilton weather for Wednesday 7th January 2026

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 1°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 64% chance of some sleet or snow and a gentle breeze of 15 kph from the south-west.

1
°C maximum temperature
-6
°C minimum temperature
cloudy with sleet or snow
3
hours of sunshine
1
UV index (Low)
64
% chance of some sleet or snow
<10
mm of sleet/snow expected
-3
°C wind chill
15
kph wind from SW

Hamilton weather for Thursday 8th January 2026

Expect mostly cloudy with light snow in Hamilton, Montana with a maximum temperature of 0°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 cm of snow expected with 68% chance of some snow and a gentle breeze of 15 kph from the south.