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.

Wednesday
11th Mar
8

-3

4

2
Thursday
12th Mar
8

5

1

1
Friday
13th Mar
10

5

2

2
Saturday
14th Mar
7

-1

5

2
Sunday
15th Mar
5

-3

6

3

5-day weather forecast updated at 04:03 on Wednesday 11th 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 Wednesday 11th March 2026

Expect mostly cloudy with light rain in Hamilton, Montana with a maximum temperature of 8°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 88% chance of some rain and a moderate breeze of 21 kph from the south.

8
°C maximum temperature
-3
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
2
UV index (Low)
88
% chance of some rain
<5
mm of rainfall expected
4
°C wind chill
21
kph wind from S

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 1 (Low) and 1 hour of bright sunshine. There are 20-30 mm of rainfall expected with 91% chance of some rain and a moderate breeze of 28 kph from the south-west.

8
°C maximum temperature
5
°C minimum temperature
mostly cloudy with rain
1
hour of sunshine
1
UV index (Low)
91
% chance of some rain
<30
mm of rainfall expected
5
°C wind chill
28
kph wind from SW

Hamilton weather for Friday 13th March 2026

Expect mostly cloudy with rain in Hamilton, Montana with a maximum temperature of 10°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 12 kph from the south-west.

10
°C maximum temperature
5
°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
8
°C wind chill
12
kph wind from SW

Hamilton weather for Saturday 14th March 2026

Expect sunshine and showers in Hamilton, Montana with a maximum temperature of 7°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 85% chance of some rain and a moderate breeze of 24 kph from the west.

7
°C maximum temperature
-1
°C minimum temperature
sunshine and showers
5
hours of sunshine
2
UV index (Low)
85
% chance of some rain
<20
mm of rainfall expected
4
°C wind chill
24
kph wind from W

Hamilton weather for Sunday 15th March 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 5°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.