Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 18°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Thursday
22nd Oct
18

4

8

3
Friday
23rd Oct
8

2

0

0
Saturday
24th Oct
10

-1

8

3
Sunday
25th Oct
11

-2

4

3
Monday
26th Oct
11

-2

9

2

5-day weather forecast updated at 04:07 on Thursday 22nd October 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 Thursday 22nd October 2026

Expect sunshine and showers in Hamilton, Montana with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 62% chance of some rain and little or no wind of 5 kph from the south.

18
°C maximum temperature
4
°C minimum temperature
sunshine and showers
8
hours of sunshine
3
UV index (Moderate)
62
% chance of some rain
<2
mm of rainfall expected
18
°C wind chill
5
kph wind from S

Hamilton weather for Friday 23rd October 2026

Expect cloudy with some rain in Hamilton, Montana with a maximum temperature of 8°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a light breeze of 8 kph from the west.

8
°C maximum temperature
2
°C minimum temperature
cloudy with some rain
0
hours of sunshine
0
UV index (None)
99
% chance of some rain
<20
mm of rainfall expected
7
°C wind chill
8
kph wind from W

Hamilton weather for Saturday 24th October 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south.

10
°C maximum temperature
-1
°C minimum temperature
scattered clouds
8
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
6
kph wind from S

Hamilton weather for Sunday 25th October 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 11°C, maximum UV of 3 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the south.

11
°C maximum temperature
-2
°C minimum temperature
scattered clouds
4
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
11
°C wind chill
5
kph wind from S

Hamilton weather for Monday 26th October 2026

Expect sunshine and showers in Hamilton, Montana with a maximum temperature of 11°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 12% chance of some rain and little or no wind of 4 kph from the south-east.