Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 11°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Wednesday
10th Dec
11

3

3

0
Thursday
11th Dec
10

7

2

0
Friday
12th Dec
11

6

2

1
Saturday
13th Dec
10

3

4

1
Sunday
14th Dec
11

2

3

1

5-day weather forecast updated at 04:04 on Wednesday 10th 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 Wednesday 10th December 2025

Expect mostly cloudy with rain in Hamilton, Montana with a maximum temperature of 11°C and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 80% chance of some rain and a moderate breeze of 22 kph from the south.

11
°C maximum temperature
3
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
0
UV index (None)
80
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
22
kph wind from S

Hamilton weather for Thursday 11th December 2025

Expect mostly cloudy with rain in Hamilton, Montana with a maximum temperature of 10°C and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 91% chance of some rain and a moderate breeze of 22 kph from the south.

10
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
0
UV index (None)
91
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
22
kph wind from S

Hamilton weather for Friday 12th December 2025

Expect mostly cloudy with rain in Hamilton, Montana with a maximum temperature of 11°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 5-10 mm of rainfall expected with 81% chance of some rain and a gentle breeze of 14 kph from the south-west.

11
°C maximum temperature
6
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
1
UV index (Low)
81
% chance of some rain
<10
mm of rainfall expected
11
°C wind chill
14
kph wind from SW

Hamilton weather for Saturday 13th December 2025

Expect broken clouds in Hamilton, Montana with a maximum temperature of 10°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

10
°C maximum temperature
3
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from S

Hamilton weather for Sunday 14th December 2025

Expect broken clouds in Hamilton, Montana with a maximum temperature of 11°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the south.