Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 16°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Tuesday
9th Jun
16

7

4

5
Wednesday
10th Jun
11

6

5

5
Thursday
11th Jun
21

4

9

6
Friday
12th Jun
24

6

16

9
Saturday
13th Jun
21

9

13

7

5-day weather forecast updated at 04:02 on Tuesday 9th June 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 9th June 2026

Expect isolated thunderstorms in Hamilton, Montana with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 97% chance of some rain and a moderate breeze of 20 kph from the south.

16
°C maximum temperature
7
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
5
UV index (Moderate)
97
% chance of some rain
<5
mm of rainfall expected
16
°C wind chill
20
kph wind from S

Hamilton weather for Wednesday 10th June 2026

Expect mostly cloudy with light rain in Hamilton, Montana with a maximum temperature of 11°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a moderate breeze of 23 kph from the west.

11
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
5
hours of sunshine
5
UV index (Moderate)
63
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
23
kph wind from W

Hamilton weather for Thursday 11th June 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 21°C, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

21
°C maximum temperature
4
°C minimum temperature
scattered clouds
9
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
13
kph wind from SW

Hamilton weather for Friday 12th June 2026

Expect clear skies in Hamilton, Montana with a maximum temperature of 24°C, maximum UV of 9 (Very High) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the west.

24
°C maximum temperature
6
°C minimum temperature
clear skies
16
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
15
kph wind from W

Hamilton weather for Saturday 13th June 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 21°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.