Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 14°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Tuesday
17th Mar
14

6

3

2
Wednesday
18th Mar
19

7

9

6
Thursday
19th Mar
21

5

10

6
Friday
20th Mar
19

6

7

5
Saturday
21st Mar
15

7

5

4

5-day weather forecast updated at 04:03 on Tuesday 17th 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 Tuesday 17th March 2026

Expect mostly cloudy with light rain in Hamilton, Montana with a maximum temperature of 14°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a gentle breeze of 15 kph from the south.

14
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
17
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
15
kph wind from S

Hamilton weather for Wednesday 18th March 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 19°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.

19
°C maximum temperature
7
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
19
°C wind chill
16
kph wind from S

Hamilton weather for Thursday 19th March 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 21°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the south.

21
°C maximum temperature
5
°C minimum temperature
scattered clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from S

Hamilton weather for Friday 20th March 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south.

19
°C maximum temperature
6
°C minimum temperature
scattered clouds
7
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from S

Hamilton weather for Saturday 21st March 2026

Expect sunshine and showers in Hamilton, Montana with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 62% chance of some rain and a gentle breeze of 14 kph from the west.