Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 7°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Tuesday
9th Dec
7

4

0

1
Wednesday
10th Dec
8

4

1

0
Thursday
11th Dec
8

7

1

0
Friday
12th Dec
8

4

5

0
Saturday
13th Dec
8

2

8

1

5-day weather forecast updated at 04:04 on Monday 8th 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 9th December 2025

Expect cloudy with some rain in Hamilton, Montana with a maximum temperature of 7°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 87% chance of some rain and a moderate breeze of 22 kph from the south.

7
°C maximum temperature
4
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
87
% chance of some rain
<10
mm of rainfall expected
4
°C wind chill
22
kph wind from S

Hamilton weather for Wednesday 10th December 2025

Expect cloudy with some rain in Hamilton, Montana with a maximum temperature of 8°C and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 17 kph from the south-west.

8
°C maximum temperature
4
°C minimum temperature
cloudy with some rain
1
hour of sunshine
0
UV index (None)
99
% chance of some rain
<20
mm of rainfall expected
5
°C wind chill
17
kph wind from SW

Hamilton weather for Thursday 11th December 2025

Expect mostly cloudy with rain in Hamilton, Montana with a maximum temperature of 8°C and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 16 kph from the south-west.

8
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
75
% chance of some rain
<30
mm of rainfall expected
5
°C wind chill
16
kph wind from SW

Hamilton weather for Friday 12th December 2025

Expect broken clouds in Hamilton, Montana with a maximum temperature of 8°C and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south.

8
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
0
UV index (None)
0
mm of rainfall expected
6
°C wind chill
11
kph wind from S

Hamilton weather for Saturday 13th December 2025

Expect sunshine and showers in Hamilton, Montana with a maximum temperature of 8°C, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 13 kph from the south.