Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 23°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Friday
20th Mar
23

6

12

6
Saturday
21st Mar
12

4

3

2
Sunday
22nd Mar
13

-1

11

4
Monday
23rd Mar
15

-1

5

4
Tuesday
24th Mar
18

2

6

4

5-day weather forecast updated at 04:03 on Friday 20th 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 Friday 20th March 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 23°C, maximum UV of 6 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south.

23
°C maximum temperature
6
°C minimum temperature
scattered clouds
12
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
23
°C wind chill
18
kph wind from S

Hamilton weather for Saturday 21st March 2026

Expect mostly cloudy with light rain in Hamilton, Montana with a maximum temperature of 12°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 97% chance of some rain and a gentle breeze of 14 kph from the west.

12
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
97
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
14
kph wind from W

Hamilton weather for Sunday 22nd March 2026

Expect scattered clouds in Hamilton, Montana with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

13
°C maximum temperature
-1
°C minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
11
kph wind from SW

Hamilton weather for Monday 23rd March 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south.

15
°C maximum temperature
-1
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from S

Hamilton weather for Tuesday 24th March 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the south.