Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 15°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Sunday
29th Mar
15

1

4

3
Monday
30th Mar
7

-3

4

3
Tuesday
31st Mar
12

-7

9

5
Wednesday
1st Apr
16

-1

2

4
Thursday
2nd Apr
7

1

2

4

5-day weather forecast updated at 04:03 on Sunday 29th 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 29th March 2026

Expect mostly cloudy with light rain in Hamilton, Montana with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 14 kph from the south.

15
°C maximum temperature
1
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
3
UV index (Moderate)
88
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
14
kph wind from S

Hamilton weather for Monday 30th March 2026

Expect mostly cloudy with light rain in Hamilton, Montana with a maximum temperature of 7°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a gentle breeze of 16 kph from the west.

7
°C maximum temperature
-3
°C minimum temperature
mostly cloudy with light rain
4
hours of sunshine
3
UV index (Moderate)
46
% chance of some rain
<5
mm of rainfall expected
4
°C wind chill
16
kph wind from W

Hamilton weather for Tuesday 31st March 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south.

12
°C maximum temperature
-7
°C minimum temperature
scattered clouds
9
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
6
kph wind from S

Hamilton weather for Wednesday 1st April 2026

Expect mostly cloudy with light rain in Hamilton, Montana with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 61% chance of some rain and a light breeze of 8 kph from the south.

16
°C maximum temperature
-1
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
61
% chance of some rain
<2
mm of rainfall expected
16
°C wind chill
8
kph wind from S

Hamilton weather for Thursday 2nd April 2026

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 91% chance of some sleet or snow and a light breeze of 12 kph from the west.