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
12th Mar
8

4

3

2
Friday
13th Mar
8

3

2

2
Saturday
14th Mar
9

-1

4

2
Sunday
15th Mar
6

-4

3

4
Monday
16th Mar
13

2

2

2

5-day weather forecast updated at 04:03 on Thursday 12th March 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 Thursday 12th March 2026

Expect mostly cloudy with rain in Hamilton, Montana with a maximum temperature of 8°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 89% chance of some rain and a fresh breeze of 29 kph from the south.

8
°C maximum temperature
4
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
2
UV index (Low)
89
% chance of some rain
<30
mm of rainfall expected
4
°C wind chill
29
kph wind from S

Hamilton weather for Friday 13th March 2026

Expect mostly cloudy with rain in Hamilton, Montana with a maximum temperature of 8°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a light breeze of 10 kph from the south-west.

8
°C maximum temperature
3
°C minimum temperature
mostly cloudy with rain
2
hours of sunshine
2
UV index (Low)
99
% chance of some rain
<20
mm of rainfall expected
7
°C wind chill
10
kph wind from SW

Hamilton weather for Saturday 14th March 2026

Expect mostly cloudy with rain in Hamilton, Montana with a maximum temperature of 9°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 23 kph from the west.

9
°C maximum temperature
-1
°C minimum temperature
mostly cloudy with rain
4
hours of sunshine
2
UV index (Low)
99
% chance of some rain
<20
mm of rainfall expected
6
°C wind chill
23
kph wind from W

Hamilton weather for Sunday 15th March 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 6°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

6
°C maximum temperature
-4
°C minimum temperature
broken clouds
3
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
4
°C wind chill
9
kph wind from S

Hamilton weather for Monday 16th March 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 13°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.