Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 4°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Sunday
15th Mar
4

-8

5

4
Monday
16th Mar
9

1

1

2
Tuesday
17th Mar
16

5

2

5
Wednesday
18th Mar
17

6

4

6
Thursday
19th Mar
20

6

11

4

5-day weather forecast updated at 04:03 on Sunday 15th 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 Sunday 15th March 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 4°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

4
°C maximum temperature
-8
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
1
°C wind chill
9
kph wind from S

Hamilton weather for Monday 16th March 2026

Expect mostly cloudy with light rain in Hamilton, Montana with a maximum temperature of 9°C, maximum UV of 2 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 54% chance of some rain and a gentle breeze of 14 kph from the south.

9
°C maximum temperature
1
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
2
UV index (Low)
54
% chance of some rain
<2
mm of rainfall expected
7
°C wind chill
14
kph wind from S

Hamilton weather for Tuesday 17th March 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

16
°C maximum temperature
5
°C minimum temperature
broken clouds
2
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
16
kph wind from S

Hamilton weather for Wednesday 18th March 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 17°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

17
°C maximum temperature
6
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
17
°C wind chill
14
kph wind from S

Hamilton weather for Thursday 19th March 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.