Hamilton weather live forecast

Today's maximum temperature in Hamilton is expected to be 9°C. Select a day from the live weather forecast for Hamilton, Montana, USA for more weather parameters.

Friday
13th Mar
9

5

3

1
Saturday
14th Mar
8

-1

4

2
Sunday
15th Mar
7

-5

5

4
Monday
16th Mar
12

2

2

5
Tuesday
17th Mar
18

6

8

3

5-day weather forecast updated at 04:03 on Friday 13th 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 13th March 2026

Expect mostly cloudy with rain in Hamilton, Montana with a maximum temperature of 9°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 20-30 mm of rainfall expected with 100% chance of some rain and a gentle breeze of 13 kph from the south.

9
°C maximum temperature
5
°C minimum temperature
mostly cloudy with rain
3
hours of sunshine
1
UV index (Low)
100
% chance of some rain
<30
mm of rainfall expected
7
°C wind chill
13
kph wind from S

Hamilton weather for Saturday 14th March 2026

Expect cloudy with sleet or snow in Hamilton, Montana with a maximum temperature of 8°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 10-20 mm of sleet/snow expected with 91% chance of some sleet or snow and a moderate breeze of 22 kph from the west.

8
°C maximum temperature
-1
°C minimum temperature
cloudy with sleet or snow
4
hours of sunshine
2
UV index (Low)
91
% chance of some sleet or snow
<20
mm of sleet/snow expected
5
°C wind chill
22
kph wind from W

Hamilton weather for Sunday 15th March 2026

Expect broken clouds in Hamilton, Montana with a maximum temperature of 7°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

7
°C maximum temperature
-5
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
4
°C wind chill
11
kph wind from SW

Hamilton weather for Monday 16th March 2026

Expect mostly cloudy with light rain in Hamilton, Montana with a maximum temperature of 12°C, maximum UV of 5 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a gentle breeze of 17 kph from the south.

12
°C maximum temperature
2
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
5
UV index (Moderate)
39
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
17
kph wind from S

Hamilton weather for Tuesday 17th March 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 22% chance of some rain and a gentle breeze of 19 kph from the south.