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.

Wednesday
22nd Apr
14

4

0

1
Thursday
23rd Apr
8

-1

2

4
Friday
24th Apr
6

-4

5

6
Saturday
25th Apr
8

-8

7

6
Sunday
26th Apr
9

-6

3

6

5-day weather forecast updated at 04:03 on Thursday 23rd April 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 22nd April 2026

Expect isolated thunderstorms in Hamilton, Montana with a maximum temperature of 14°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 99% chance of some rain and a gentle breeze of 14 kph from the south.

14
°C maximum temperature
4
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
1
UV index (Low)
99
% chance of some rain
<10
mm of rainfall expected
14
°C wind chill
14
kph wind from S

Hamilton weather for Thursday 23rd April 2026

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 8°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 99% chance of some sleet or snow and a gentle breeze of 17 kph from the south.

8
°C maximum temperature
-1
°C minimum temperature
cloudy with sleet or snow
2
hours of sunshine
4
UV index (Moderate)
99
% chance of some sleet or snow
<10
mm of sleet/snow expected
5
°C wind chill
17
kph wind from S

Hamilton weather for Friday 24th April 2026

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 6°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 5-10 mm of sleet/snow expected with 52% chance of some sleet or snow and a light breeze of 11 kph from the north.

6
°C maximum temperature
-4
°C minimum temperature
cloudy with sleet or snow
5
hours of sunshine
6
UV index (High)
52
% chance of some sleet or snow
<10
mm of sleet/snow expected
4
°C wind chill
11
kph wind from N

Hamilton weather for Saturday 25th April 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 8°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

8
°C maximum temperature
-8
°C minimum temperature
scattered clouds
7
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
6
°C wind chill
12
kph wind from NE

Hamilton weather for Sunday 26th April 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 9°C, maximum UV of 6 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.